Integrated Circuits

STM32F437IGT6

STM32F437IGT6 - 180MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32F437IGT6 is a 32-bit Arm Cortex-M4 microcontroller with a maximum operating frequency of 180 MHz, 1 MB of flash memory, and a 176-pin LQFP package measuring 24 x 24 mm. The device belongs to the STM32F4 family of high-performance embedded processing components and combines a single-precision floating-point unit with DSP instruction support. A microcontroller is a programmable integrated circuit that integrates a processor core, nonvolatile program memory, data memory, peripherals, and interface circuitry on one package. Within the semiconductor hierarchy, the STM32F437IGT6 is an Arm Cortex-M4 RISC microcontroller within the STM32 family and the STM32F4 series. Its combination of real-time processing, substantial flash storage, and extensive connectivity makes it suitable for embedded control, communications, and multimedia applications. The headline features include a 180 MHz maximum clock frequency, a 32-bit data bus, 1 MB of flash memory organized as 1M x 8, and a 176-LQFP surface-mount package. The Cortex-M4 core includes a single-precision floating-point unit, allowing selected floating-point calculations and DSP operations to execute in hardware. The manufacturer datasheet describes these capabilities as part of a high-performance embedded-processing architecture intended for demanding control and signal-processing workloads. The STM32F437IGT6 is designed for designs that require more processing capability and memory than entry-level Cortex-M devices while retaining a large leaded package for inspection, assembly, and prototype work. Its 180 MHz operating ceiling supports responsive control loops and computationally intensive peripherals. The LQFP-176 package also exposes a large pin count for power, ground, peripheral, debug, and communication connections while remaining compatible with conventional surface-mount assembly methods. Typical uses include industrial automation, networked embedded controllers, audio and digital signal processing, motor and motion control, communications equipment, and human-interface systems. In these applications, the Cortex-M4 processor can manage control logic while the integrated floating-point and DSP capabilities accelerate suitable numerical operations. Peripheral assignment and external interface requirements should be checked against the manufacturer pin description and device data sheet before PCB routing. A primary design consideration is power and signal integrity. Provide stable supply rails, connect all required power and ground pins, and place decoupling capacitance close to the device pins. Because this 176-pin package has numerous connections, use the manufacturer pin-definition table when assigning tracks and verify the footprint dimensions, pin numbering, exposed functions, and programming connections before fabrication. This product page combines manufacturer specifications, package and sourcing details, application guidance, and replacement analysis for engineers evaluating the STM32F437IGT6. The comparisons also emphasize firmware and peripheral differences that a footprint match alone cannot reveal, helping designers distinguish true production drop-in choices from parts that require software, hardware, or qualification changes.

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STM32F437IIH6

STM32F437IIH6 - 180MHz Cortex-M4F MCU 2MB Flash | STMicroelectronics

The STMicroelectronics STM32F437IIH6 is a high-performance 32-bit ARM Cortex-M4F microcontroller with FPU and DSP extensions, operating at up to 180 MHz and integrating 2 MB of dual-bank Flash plus 256 KB of SRAM, housed in a 176-ball UFBGA (10x10 mm) package. It combines an ART Accelerator that enables zero-wait-state Flash execution, hardware AES/DES/SHA accelerators, a TFT-LCD controller, a parallel camera interface, and the Chrom-ART 2D graphics engine on a single die. An ARM Cortex-M4F microcontroller is a 32-bit embedded processor core designed for applications demanding a balance of performance, power efficiency, and real-time digital signal processing. The 'F' suffix denotes the inclusion of a single-precision hardware floating-point unit (IEEE 754), which accelerates transcendental and fractional arithmetic commonly required in control loops, audio codecs, and DSP filters. In the system hierarchy, the STM32F437IIH6 sits at the application processor tier, above Cortex-M0+ sensor nodes but below Cortex-A application processors, often serving as the central controller in industrial, consumer, medical, and IoT-edge systems. Key differentiating features of the STM32F437IIH6 include a Cortex-M4F core delivering 225 DMIPS / 2.14 CoreMark/MHz, dual-bank Flash supporting read-while-write firmware upgrades, an integrated TFT-LCD controller capable of XGA-class resolutions, an 8/14-bit parallel camera interface, and hardware accelerators for AES-128/192/256, DES/3DES, and SHA-1/MD5/SHA-2 hash functions. Connectivity is extensive: USB 2.0 OTG HS/FS, 10/100 Ethernet MAC with IEEE 1588, two CAN 2.0B, three I2C, six SPI, four USART plus four UART, and an SDIO interface. Technically, the device is fabricated on a 90 nm CMOS process and integrates an adaptive real-time (ART) memory accelerator that effectively eliminates Flash wait states at the full 180 MHz clock. The 1.8 V to 3.6 V supply range supports direct battery and USB-bus operation. The integrated 12-bit ADC (up to 3 MSPS, three channels of 1 MSPS each) and dual 12-bit DAC channels simplify mixed-signal designs. Multiple low-power modes (Sleep, Stop, Standby with RTC) draw as little as 2.4 µA in Standby with the RTC running. Typical applications include industrial motor-control inverters, human-machine interface (HMI) panels with TFT displays, medical patient monitors, networked IoT gateways, and high-end consumer audio/graphics products. In an HMI panel, for instance, the TFT-LCD controller drives the display directly while the Chrom-ART engine handles 2D rendering, freeing the Cortex-M4F for application logic and communication stacks. When designing with the STM32F437IIH6, pay attention to power-supply decoupling: a 100 nF ceramic capacitor close to every VDD pin and a 4.7 µF bulk capacitor at the regulator output are mandatory. Route the USB and Ethernet differential pairs per the 90 Ω impedance guideline in RM0090. For low-power RTC retention, connect VBAT to a backup battery or super-capacitor; without this the backup registers and RTC lose state on power loss. This page synthesises distributor pricing, drop-in same-family alternatives, and practical layout guidance not found in the manufacturer datasheet alone, helping engineers select and qualify the part faster.

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STM32F437IIT6

STM32F437IIT6 - 180MHz 2MB Flash ARM Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32F437IIT6 is a high-performance 32-bit ARM Cortex-M4 microcontroller with a single-precision floating-point unit (FPU) and DSP instructions, running at up to 180 MHz with 2 MB of Flash memory and 256 KB of SRAM, housed in a 176-pin LQFP (24x24 mm) package. It delivers 225 DMIPS at 180 MHz (1.25 DMIPS/MHz) and integrates an ART Accelerator for zero-wait-state execution from Flash. A microcontroller (MCU) is a self-contained computer on a single chip that combines a processor core, program memory (Flash), data memory (SRAM), and configurable peripherals such as timers, serial interfaces, and analog-to-digital converters. MCUs sit at the heart of embedded systems, forming the boundary between the physical world (sensors, actuators) and digital processing. The STM32F437IIT6 belongs to the STM32F4 high-performance family, which itself is part of the broader STM32 32-bit ARM Cortex-M portfolio, positioned above the mainstream STM32F1/F0 lines and below the graphics-capable STM32F7/H7 series. Key features include 2 MB dual-bank Flash with read-while-write capability, 256 KB SRAM plus 4 KB backup SRAM, a Chrom-ART Accelerator for 2D graphics, a hardware JPEG codec, and a true random number generator (RNG). The device provides 140 general-purpose I/O pins, three 12-bit ADCs (24 channels, up to 2.4 MSPS), two 12-bit DACs, and a rich set of communication peripherals including Ethernet MAC, USB OTG HS/FS, CAN, and multiple USART/SPI/I2C interfaces. The STM32F437IIT6 is built on ST's 90 nm embedded Flash process and operates from 1.7 V to 3.6 V, with a typical run-mode current of 38 mA at 180 MHz. Its ART Accelerator and adaptive real-time memory accelerator allow true zero-wait-state execution, while the FPU and DSP instruction set enable efficient motor control, audio processing, and sensor fusion algorithms without an external coprocessor. Typical applications include industrial motor drives and PLCs, audio and voice processing equipment, medical instrumentation, and IoT gateways requiring Ethernet connectivity. The 176-pin LQFP package with 140 I/O makes it well suited to designs needing extensive peripheral fan-out. When designing with this device, ensure the VCAP pins are decoupled with the specified 2.2 uF low-ESR capacitors and that the 1.2 V core regulator is not loaded externally. The dual-bank Flash supports in-application programming, which is valuable for field firmware updates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, second-sourcing, and layout decisions.

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STM32F437VIT6

STM32F437VIT6 - 2MB Flash, 180MHz ARM Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32F437VIT6 is a high-performance ARM Cortex-M4 32-bit microcontroller with floating-point unit (FPU), operating at up to 180 MHz. It features 2 MB of Flash memory and 256 KB of SRAM, making it suitable for complex applications requiring substantial code and data storage. The device is housed in a 100-pin LQFP package (LQFP100) with a 14x14 mm body and 0.5 mm pitch, offering a compact footprint for space-constrained designs. What is an ARM Cortex-M4 microcontroller? It is a 32-bit processor core designed for embedded systems, combining digital signal processing (DSP) instructions and a single-precision FPU for efficient handling of mathematical operations. The Cortex-M4 is part of the ARM Cortex-M family, which includes the M0, M0+, M3, M4, and M7 cores, each targeting different performance and power trade-offs. In the system hierarchy, a microcontroller integrates the processor core, memory, and peripherals on a single chip, enabling standalone operation in applications ranging from industrial control to consumer electronics. Key features of the STM32F437VIT6 include a 180 MHz CPU with 225 DMIPS/1.25 DMIPS/MHz performance, a Chrom-ART Accelerator for enhanced graphical user interface (GUI) rendering, and a TFT LCD controller supporting up to XGA resolution. It also integrates a cryptographic/hash processor for AES, DES, and SHA-1/SHA-2 algorithms, a true random number generator (TRNG), and a camera interface. The device provides extensive connectivity with USB 2.0 OTG HS/FS, Ethernet MAC, CAN 2.0B, SPI, I2C, USART, and SDIO interfaces. Technically, the STM32F437VIT6 is built on a 90 nm process technology, offering a balance of performance and power efficiency. It operates from a 1.8V to 3.6V power supply and includes multiple low-power modes (Sleep, Stop, Standby) to minimize energy consumption. The device supports external memory interfaces for SDRAM, SRAM, and NOR/NAND Flash, expanding its data storage capabilities beyond the internal 2 MB Flash. Typical applications include industrial automation (PLC, motor control), medical devices (patient monitoring, diagnostic equipment), consumer electronics (smart home hubs, wearables), and IoT gateways. The combination of high performance, rich peripherals, and security features makes it a versatile choice for advanced embedded systems. When designing with this MCU, ensure adequate decoupling on all power supply pins and follow the recommended layout for the 100-pin LQFP package. The internal LDO requires a 1.2V bypass capacitor, and the VBAT pin should be connected to a backup battery for RTC operation. Pay attention to the ADC reference voltage (VDDA) for accurate analog measurements.

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STM32F437VIT7

STM32F437VIT7 - 180MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32F437VIT7 is a 32-bit Arm Cortex-M4 microcontroller with FPU and DSP support, operating up to 180 MHz, with 2 MB of Flash memory and a 100-pin LQFP package. The STM32F437VIT7 combines high-performance signal processing with extensive connectivity and is suited to industrial control, communications, audio, and embedded systems. A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, peripherals, and communication interfaces onto one package. The Cortex-M4 architecture places the STM32F437VIT7 within the ARM Cortex-M family of 32-bit embedded processors, while its FPU accelerates single-precision floating-point calculations. The STM32F437 family is designed for applications requiring faster control-loop execution, efficient data processing, and a broad peripheral set. Key features include a maximum operating frequency of 180 MHz, 225 DMIPS of processing capability, 2 MB of Flash memory, and up to 256 KB of RAM as identified in the manufacturer documentation search results. The single-precision FPU supports floating-point instructions, while the Cortex-M4 core also includes DSP instructions for filtering, signal transformation, and other numerical workloads. The 100-LQFP package provides a conventional surface-mount form factor suitable for industrial and consumer equipment. The device is based on the high-performance Arm Cortex-M4 32-bit RISC core, with performance combining a 180 MHz operating rate, an FPU, and DSP instruction support. Its memory organization supports firmware-intensive designs, while the package offers enough peripheral connections for sensors, communication transceivers, displays, and actuator control systems. The STM32F437VIT7 is identified as an active part by component-directory listings. Typical applications include industrial automation controllers, networked embedded equipment, motor and motion control, audio signal processing, and communication gateways. The combination of high clock speed, hardware floating-point support, and substantial Flash memory enables real-time control alongside application firmware, protocol stacks, and configuration data. For PCB design, follow the STM32F437xx and STM32F439xx manufacturer datasheet for the exact LQFP-100 pin assignments, decoupling requirements, clock configuration, and exposed support-network connections. Confirm power-supply sequencing, input voltage limits, and boot configuration before releasing the PCB layout. This product page combines manufacturer specifications, package guidance, application-oriented design context, and a strict drop-in replacement comparison. The comparison focuses on the same-package alternatives that are most useful for footprint, firmware, and sourcing decisions.

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STM32F437ZIT6

STM32F437ZIT6 - 2MB Flash, 180MHz ARM Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32F437ZIT6 is a high-performance ARM Cortex-M4 32-bit microcontroller with FPU, operating at up to 180 MHz. It features 2 MB of Flash memory and 256 KB of SRAM, making it suitable for complex applications requiring substantial code and data storage. The device is housed in a 144-pin LQFP package (LQFP144) with a 20x20 mm body and 0.5 mm pitch, providing ample I/O for peripheral-rich designs. What is an ARM Cortex-M4 microcontroller? It is a 32-bit processor core designed for embedded systems, offering a balance of performance, power efficiency, and rich peripheral integration. The Cortex-M4 includes a floating-point unit (FPU) and DSP instructions, enabling efficient handling of mathematical and signal-processing tasks. In the system hierarchy, a microcontroller (MCU) integrates a processor core, memory, and programmable peripherals on a single chip, serving as the 'brain' of embedded systems. The STM32F4 series sits within the broader STM32 family, which spans from low-power Cortex-M0 to high-performance Cortex-M7 devices, and is widely used in industrial, consumer, and automotive applications. Key features of the STM32F437ZIT6 include a 180 MHz CPU with 225 DMIPS/1.25 DMIPS/MHz, a Chrom-ART Accelerator for 2D graphics, a TFT-LCD controller, a camera interface, and a true random number generator. It also integrates multiple communication interfaces: 4 USARTs, 2 UARTs, 6 SPIs, 3 I2Cs, 2 CANs, 1 SDIO, 1 USB 2.0 OTG FS/HS, and 1 Ethernet MAC. The device supports up to 168 MHz for the ADC, with three 12-bit ADCs, two DACs, and multiple timers including advanced-control timers for motor control. Technically, the STM32F437ZIT6 is built on a 90 nm process technology, offering a good balance of speed and power consumption. It operates from 1.8V to 3.6V supply, with a wide temperature range of -40°C to +85°C (T suffix). The device includes a power-on reset, brown-out reset, and a programmable voltage detector, ensuring reliable operation. The memory architecture supports external memory interfaces via FSMC (Flexible Static Memory Controller) for SRAM, PSRAM, NOR, and NAND Flash, expanding storage beyond the internal 2 MB. Typical applications include industrial control systems, motor drives, medical devices, consumer electronics, and IoT gateways. The combination of high CPU performance, rich connectivity, and graphics capabilities makes it ideal for human-machine interfaces (HMIs), PLCs, and advanced robotics. For example, in an industrial HMI, the TFT-LCD controller and Chrom-ART accelerator enable smooth graphical rendering, while the Ethernet MAC and CAN interfaces facilitate industrial networking. When designing with this device, ensure adequate decoupling on all power pins and a proper ground plane. The 144-pin LQFP package requires careful PCB layout for thermal management and signal integrity, especially for high-speed interfaces like Ethernet and USB. Use the internal voltage regulator for core logic, and consider external memory if the application requires more than 2 MB of code or 256 KB of data.

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STM32F437ZIT7

STM32F437ZIT7 - 180MHz Cortex-M4 2MB MCU | STMicroelectronics

The STMicroelectronics STM32F437ZIT7 is a high-performance 32-bit ARM Cortex-M4 microcontroller with a maximum operating frequency of 180 MHz, 2 MB of Flash memory and a 144-pin LQFP package measuring 20 mm by 20 mm. The Cortex-M4 core includes single-precision floating-point and DSP instruction support for real-time control, signal processing and connected embedded systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals and communication interfaces on one device. In the embedded-system hierarchy, the STM32F437 belongs to the ARM Cortex-M4 class of 32-bit RISC microcontrollers within the STM32F4 family. Its combination of processing performance, external connectivity and generous on-chip memory supports industrial, communications, audio and consumer applications without requiring a separate processor. Key characteristics include a maximum clock frequency of 180 MHz, 2 MB of Flash memory and an Arm Cortex-M4 processor with single-precision FPU and DSP instructions. The 144-LQFP package provides 144 external pins for power, ground, GPIO, analog inputs, timers and communication peripherals. This high-pin-count package is useful when a design requires extensive parallel I/O, multiple communication interfaces or simultaneous external peripheral connections. The STM32F437 architecture is designed for embedded control workloads that combine deterministic peripheral access with substantial application code capacity. The floating-point unit accelerates common control and audio calculations, while DSP instructions reduce execution overhead in filtering and signal-processing tasks. Exact RAM capacity, voltage ranges, peripheral assignments, clock-tree details and absolute electrical limits must be confirmed in the manufacturer datasheet before schematic or firmware release. Typical applications include industrial automation controllers, motor-control systems, connected measurement equipment, audio processing, human-machine-interface controllers and high-performance embedded gateways. Its 180 MHz Cortex-M4 performance supports responsive control loops, while the large package exposes substantially more I/O than smaller 32-pin or 64-pin microcontroller packages. The 2 MB Flash capacity also allows larger firmware images, boot code, protocol stacks and diagnostic data to coexist. PCB implementation should preserve the pin multiplexing and decoupling requirements in the manufacturer datasheet. Place the required supply capacitors close to the associated power pins, route high-speed communications away from sensitive analog inputs, and assign unused pins according to the device pin-description table. Firmware development must account for the STM32F4 clock tree, startup sequence, memory map and peripheral configuration rather than treating the MCU as a generic Cortex-M part. This product page combines manufacturer specifications, family-level drop-in candidates and engineering guidance for STM32F437ZIT7 selection. The comparison tables emphasize package, core, clock and memory compatibility, while the application guidance identifies design scenarios where the 144-pin STM32F4 architecture is preferable to smaller-footprint or lower-performance alternatives.

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STM32F439BIT6

STM32F439BIT6 - 180MHz Cortex-M4 MCU 2MB Flash 208-LQFP

The STMicroelectronics STM32F439BIT6 is a high-performance ARM Cortex-M4 microcontroller with FPU, delivering up to 180 MHz clock speed and integrating 2 MB of Flash alongside 256 KB of SRAM in a 208-pin LQFP package (28x28 mm). The Cortex-M4 core with single-precision floating-point unit executes instructions at 225 DMIPS, supports DSP extensions, and is paired with a Cryptographic and Hash processor (AES, Hash, TRNG) for hardware-accelerated security. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable peripherals. The STM32 family by STMicroelectronics is one of the most widely deployed 32-bit microcontroller families worldwide, with the F4 series specifically targeting high-performance applications. In the broader taxonomy, the STM32F439BIT6 is an MCU (microcontroller unit) -> embedded processor -> semiconductor device. The Cortex-M4 architecture itself is a 32-bit RISC core designed for deterministic real-time control, while the M4 variant adds DSP and SIMD instructions as well as optional FPU for floating-point math. Key differentiating specifications of the STM32F439BIT6 include 2 MB of Flash with 256+4 KB SRAM, three 12-bit ADCs (2.4 MSPS each), two 12-bit DACs, USB 2.0 OTG full-speed and high-speed, an Ethernet MAC (MII/RMII), three CAN 2.0B interfaces, six general-purpose timers plus two advanced-control timers, and an integrated TFT LCD controller. The cryptographics and hash acceleration blocks provide AES-128/192/256, SHA-1/SHA-2, and a true random number generator (TRNG) without burdening the CPU. Architecturally, the device pairs the Cortex-M4 core with ST's proprietary ART Accelerator (Adaptive Real-Time memory accelerator) that allows 0-wait-state execution from Flash at full 180 MHz speed, eliminating the typical performance penalty of Flash-based MCUs. The multi-layer AHB/APB bus matrix and DMA controllers (two DMA controllers with 16 streams each) enable parallel data movement between peripherals and memory at high throughput, while the supply scheme (1.2 V core, 3.3 V I/O) is managed internally by voltage regulators. Typical applications include industrial control HMIs with TFT displays, point-of-sale terminals, barcode scanners, smart energy meters, factory automation PLCs, automotive infotainment head units, medical monitoring equipment, and high-end consumer gateways. The combination of high-speed processing, large memory, and integrated peripherals makes the STM32F439BIT6 especially attractive for applications that would otherwise require an external controller plus separate memory chips. When designing with this MCU, plan oscillator and decoupling layout carefully: place the 8 MHz HSE crystal (or resonator) within 5 mm of OSC_IN/OSC_OUT pins with dedicated ground and power traces, and route the 32.768 kHz LSE traces on a separate guarded layer to avoid jitter. Provide at least four 100 nF decoupling capacitors within a few millimeters of the VDD pins, plus a bulk capacitor near each VDD/VSS pair. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on a single competitor or distributor listing.

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STM32F439IGT6

STM32F439IGT6 - 180MHz ARM MCU 1MB Flash LQFP-176 | STMicroelectronics

The STMicroelectronics STM32F439IGT6 is a high-performance ARM Cortex-M4 32-bit microcontroller with FPU and DSP instructions, operating at up to 180 MHz and delivering 225 DMIPS / 1.25 DMIPS/MHz. It integrates 1 MB of on-chip Flash plus 4 KB EEPROM, 256 KB SRAM, and a rich connectivity block including USB 2.0 OTG FS+HS, CAN 2.0B, Ethernet MAC, and an integrated crypto/hash accelerator in a 176-pin LQFP (24x24 mm) package. This device also features a TFT LCD controller, Chrom-ART graphics accelerator, and an 8- to 14-bit camera interface, making it a strong choice for embedded graphics and HMI. An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core designed by ARM for embedded applications, featuring built-in single-precision floating-point unit (FPU), DSP extensions, and optional memory protection unit (MPU). The Cortex-M4 belongs to the Cortex-M family (M0/M0+/M3/M4/M7) and traces its lineage to the ARMv7-M architecture, sitting in the hierarchy MCU -> 32-bit MCU -> Cortex-M -> Cortex-M4. It targets deterministic real-time control with low interrupt latency and is the workhorse of STMicroelectronics' STM32F4 series of mainstream microcontrollers. Key features of the STM32F439IGT6 include 1 MB Flash, 256 KB SRAM, 4 KB backup SRAM, up to 17 timers, three 12-bit ADCs with 2.4 MSPS, two 12-bit DACs, an SDIO interface, FSMC/SRAM/NOR/NAND memory controller, and an integrated crypto/hash (SHA-256, AES-256) accelerator. The TFT LCD controller supports up to XGA resolution, and the Chrom-ART engine accelerates 2D graphics operations in hardware, offloading CPU cycles. The device operates from 1.8-3.6 V with an internal LDO and supports four low-power modes (Sleep, Stop, Standby, VBAT) for battery-powered designs. Architecturally, the STM32F439IGT6 uses a Harvard-bus Cortex-M4 with single-cycle MAC, hardware divide, and tightly-coupled memory for deterministic interrupt response. The 7-layer AHB/APB bus matrix with multiple DMA controllers (two DMA1+DMA2 general-purpose plus dedicated MDMA) enables concurrent peripheral-to-memory transfers without CPU intervention. Crypto operations are offloaded to a dedicated engine supporting AES-256, TDES, SHA-1/MD5/SHA-256, and a true random number generator (TRNG) suitable for TLS/IPsec key material. Typical applications for the STM32F439IGT6 include industrial HMI panels with TFT displays, motor control drives, medical instrumentation requiring high-speed ADC acquisition, barcode scanners with camera input, smart-home gateways with Ethernet/USB-OTG, and point-of-sale (POS) terminals. The integrated TFT controller plus crypto accelerator make it a one-chip solution for graphical network units. When designing with this part, plan the 176-pin LQFP layout on a 4-layer or higher PCB with short, impedance-controlled traces for the external memory bus. The 24x24 mm body requires clearance for the 0.5 mm pitch pads; reflow profile must follow JEDEC J-STD-020 MSL-3 handling. Ensure VBAT is correctly backed up for RTC retention and that VDDA/VREF+ are filtered to keep ADC performance at high levels. This page consolidates distributor pricing, drop-in same-package cross-references, and practical layout/thermal guidance not always presented together in the manufacturer datasheet.

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STM32F439IIT6

STM32F439IIT6 - 180MHz Cortex-M4 MCU | ST | Industrial

The STMicroelectronics STM32F439IIT6 is a high-performance 32-bit Arm Cortex-M4 microcontroller with a maximum clock frequency of 180 MHz, 2 MB of embedded Flash memory, and a 176-pin LQFP package measuring 24 mm by 24 mm. It combines a single-precision floating-point unit and DSP instruction support with extensive connectivity and peripheral resources for industrial embedded systems. A microcontroller is a programmable integrated circuit containing a processor core, memory, peripherals, and interface controllers on one semiconductor device. The STM32F4 series belongs to the hierarchy of 32-bit RISC microcontroller, Arm Cortex-M4 processor, embedded control IC, and semiconductor. The Cortex-M4 architecture combines deterministic instruction execution with efficient digital signal processing, making it suitable for connected industrial equipment, control panels, communications equipment, and human-machine interfaces. The STM32F439IIT6 provides 2 MB of Flash memory, 225 DMIPS of processing performance, and an Arm Cortex-M4 core operating up to 180 MHz. Its integrated connectivity includes Ethernet, USB OTG, and an LCD-TFT controller. These functions reduce the need for discrete communication and display interface components while supporting firmware-intensive networking, graphics, data acquisition, and supervisory-control applications. The device supports 3.3 V and 5 V supply arrangements identified for this part, while its Arm Cortex-M4 processor includes a single-precision FPU and a complete set of DSP instructions. The 176-pin LQFP package exposes substantially more I/O than smaller microcontroller packages, supporting simultaneous peripheral connections and external memory or display interfaces. Exact pin functions, memory-map details, and electrical limits should be assigned from the STMicroelectronics pin-description table in datasheet DM00077036. Typical uses include industrial Ethernet gateways, USB-connected data loggers, programmable logic controllers, motor and process controllers, medical monitoring equipment, and TFT-based human-machine interfaces. The 180 MHz core and DSP capability support real-time control loops, protocol processing, and signal filtering, while the large Flash capacity accommodates networking stacks, graphical interfaces, and field-upgradeable application firmware. The primary design consideration is PCB density around the 176-pin LQFP footprint. Place decoupling capacitors at each appropriate supply pin, route high-speed communications away from sensitive analog inputs, and use solid ground-plane continuity beneath the device. Confirm oscillator, reset, boot, and programming interfaces against the manufacturer datasheet before schematic release or PCB layout. This page consolidates the manufacturer specifications, exact-source pricing eligibility, same-package replacement analysis, interface comparisons, and practical design guidance needed to evaluate the STM32F439IIT6 for a new embedded platform.

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STM32F439VGT6

STM32F439VGT6 - 180MHz Cortex-M4 MCU, 1MB Flash | STMicroelectronics

STMicroelectronics STM32F439VGT6 is a 32-bit Arm Cortex-M4 microcontroller with a maximum operating frequency of 180 MHz, 1 MB of flash memory, and 256 KB of RAM in a 100-pin LQFP package measuring 14 x 14 mm. The device provides 82 I/O pins and includes a single-precision floating-point unit for efficient digital signal processing and control workloads. A microcontroller is a programmable system-on-chip that integrates a processor core, nonvolatile program memory, working RAM, peripherals, and interface controllers on one semiconductor device. The STM32F4 series belongs to the hierarchy of 32-bit RISC microcontroller -> embedded microcontroller -> programmable controller -> semiconductor. Its Arm Cortex-M4 core combines deterministic control performance with hardware-assisted floating-point capability, making it suitable for embedded systems that process both ordinary control logic and numerically intensive data. Principal device characteristics include a 180 MHz maximum clock, 1 MB of flash organized as 1M x 8, 256 KB of SRAM, 82 I/O pins, and a 100-LQFP package. The single-precision FPU supports Arm single-precision data-processing instructions, while the 32-bit Cortex-M4 architecture can reach 225 DMIPS as identified in the manufacturer-related datasheet listing. The 100-pin package provides a substantial interface complement for systems requiring multiple communications, control, and general-purpose I/O functions. The STM32F439VGT6 is positioned for high-performance embedded applications rather than ultra-low-cost basic control. Its combination of Cortex-M4 processing, 1 MB of program storage, and 256 KB of SRAM gives designers more room for protocol stacks, control algorithms, data logging, and complex user-interface logic. Exact peripheral selections, voltage ranges, timing limits, and environmental ratings must be confirmed against the complete manufacturer documentation before design release. Typical uses include industrial control systems, networked data-acquisition equipment, motor-control platforms, high-speed communications equipment, and embedded gateways. The 82 available I/O pins are particularly useful for chassis and control interfaces, while the 180 MHz core provides processing headroom for protocol handling and real-time supervisory tasks. The single-precision FPU can accelerate filtering, transforms, and control computations without requiring a separate DSP. PCB implementation requires careful attention to the 100-LQFP land pattern, decoupling, clock configuration, and exposed supply requirements. Place the required input and bulk-decoupling capacitors close to their associated supply pins, route high-speed signals with short returns, and follow the manufacturer's pin-definition and recommended-layout tables. Firmware, peripheral configuration, and the external component network must also be reviewed for timing and signal-integrity constraints. This product reference combines exact device identifiers, package information, memory capacity, core frequency, and engineering selection guidance with practical application and layout considerations. It is designed to help engineers identify the correct STM32F4 device, plan a hardware revision, and evaluate pin-compatible family options without obscuring the distinctions that matter during PCB and firmware validation.

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STM32F439VIT6

STM32F439VIT6 - 180MHz Cortex-M4 2MB Flash 100-LQFP MCU | STMicroelectronics

The STMicroelectronics STM32F439VIT6 is a 32-bit Arm Cortex-M4 microcontroller running up to 180 MHz with 2 MB of on-chip Flash in a 100-LQFP (14x14 mm) surface-mount package. It belongs to the STM32F4 Series, the high-performance STM32 family built around the Arm Cortex-M4 RISC core with an integrated single-precision FPU for DSP-style math. A microcontroller (MCU) is a single chip that integrates a CPU core, Flash program memory, SRAM data memory and a set of dedicated peripherals - timers, ADC, communication interfaces and GPIO - onto one package. Within the product hierarchy it sits as microcontroller > embedded processor > microcontroller unit, and the STM32F4 Series sits above the STM32F1 and STM32F2 families in STMicroelectronics' performance lineup. Key specifications for this device include a maximum CPU frequency of 180 MHz, a 2 MB (2M x 8) Flash array, and a 100-LQFP package with a 14 x 14 mm body. The Cortex-M4 core includes a single-precision floating-point unit, which the listing data confirms, so float-heavy control and signal-processing loops run without software emulation overhead. The STM32F439xx family is the connectivity-oriented member of STM32F4, adding Ethernet MAC and USB OTG HS capability alongside the usual USART, SPI, I2C and timer resources. The 180 MHz core with FPU and ART accelerator architecture delivers roughly three times the DSP throughput of the earlier Cortex-M3 generation, while the F4 series dynamic voltage scaling lets the core drop to lower frequencies for low-power modes. The 100-pin LQFP package exposes a large GPIO count compared with smaller 48- and 64-pin members, which is why the V (100-pin) suffix part is common in industrial control boards and gateway products. Typical applications for the STM32F439VIT6 include industrial Ethernet gateways, PLC and data-acquisition modules, motor and inverter control boards, industrial HMIs, camera and vision front-ends, and connected embedded platforms that need both high clock speed and abundant I/O in a single package. One key design consideration is the power budget: at 180 MHz with the full peripheral set active, the digital core current is substantial, so supply rail design must keep the 3.3 V/5 V-compatible operating points stable and provide clean decoupling on all VDD and VDDA pins. This page consolidates manufacturer and distributor documentation into an engineering-oriented reference with drop-in alternatives, parameter comparisons, and practical design notes that are not consolidated in a single place elsewhere.

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STM32F439ZGT6

STM32F439ZGT6 - 180MHz Cortex-M4 1MB MCU | STMicroelectronics

The STMicroelectronics STM32F439ZGT6 is a 32-bit ARM Cortex-M4 microcontroller operating at up to 180 MHz, with 1 MB of embedded Flash memory and a 144-pin LQFP package measuring 20 x 20 mm. It combines a high-performance processor core with extensive embedded peripherals for demanding embedded-control, communications, audio, and industrial applications. The device supports 2.5 V and 3.3 V supply operation according to the product listing. A microcontroller is a semiconductor that integrates a processor core, program memory, data memory, and peripherals into one device. The STM32F4 family belongs to the broader Arm Cortex-M microcontroller hierarchy and combines real-time control capability with extensive serial communications, analog, timer, and digital interfaces. This makes the STM32F439ZGT6 suitable for systems that need substantial processing performance without using a higher-complexity application processor. Key features include an Arm Cortex-M4 processor with hardware floating-point capability, a maximum clock frequency of 180 MHz, and 1 MB of Flash for firmware storage. Its 144-LQFP package provides a large pin count for exposure of GPIO, communication, power, clock, and debugging functions. The 20 x 20 mm package is readily routed on standard multilayer PCB technology and offers generous copper connectivity around the device. The STM32F4 architecture supports a broad collection of embedded peripherals, including general-purpose timers, serial interfaces, and memory-management functions. Performance requirements should be checked against the exact peripheral configuration required by the application because package pins and peripheral instances vary within the STM32F4 family. Firmware, bootloader, and peripheral configuration should also be reviewed before replacing a part from another STM32 series. Typical uses include industrial automation controllers, networked measurement equipment, audio-processing systems, motor-control platforms, human-interface controllers, and communications gateways. In these applications, the 180 MHz Cortex-M4 core can execute control logic while dedicated timers and serial peripherals manage deterministic input and output tasks. A companion transceiver or interface IC may still be required when the system must connect to Ethernet, RS-232, USB, or another physical network. PCB design should preserve the device power and decoupling layout, especially for the 2.5 V and 3.3 V operating options identified in the product listing. Place local bypass capacitors at supply pins, route high-speed signals over continuous reference planes, and follow the manufacturer pin-description table when assigning all 144 pins. Confirm oscillator, reset, boot, debug, and exposed-thermal-pad requirements against the complete manufacturer documentation before fabrication. This product record combines the exact manufacturer and distributor identity, core memory and processor specifications, package dimensions, sourcing information, engineering applications, and practical design guidance. It also distinguishes same-family STM32 options from a confirmed cross-brand replacement, helping engineers make a compatibility decision without assuming that similar performance automatically guarantees a drop-in PCB substitution.

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STM32F439ZIT6

STM32F439ZIT6 - 180MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32F439ZIT6 is a 32-bit Arm Cortex-M4 microcontroller with a maximum operating frequency of 180 MHz, 2 MB of flash memory, a single-precision floating-point unit, and a 144-pin LQFP package measuring 20 mm by 20 mm. It combines deterministic control performance with extensive serial, communications, graphics, and analog peripherals for embedded systems. A microcontroller is a programmable semiconductor that integrates a processor core, nonvolatile program memory, volatile data memory, and peripheral interfaces on one device. The STM32F439 belongs to the STM32F4 family of 32-bit embedded processors, combining real-time control capability with high-bandwidth data processing. Its Arm Cortex-M4 architecture uses a reduced instruction set optimized for compact embedded code and deterministic execution. The processor operates at up to 180 MHz and includes a single-precision FPU supporting Arm single-precision instructions and data types. A full set of DSP instructions accelerates filtering, transforms, and signal-processing workloads. The device provides 2 MB of flash, organized by the distributor listing as 2M by 8 bits, while its run-time and other memory details should be confirmed from the complete electrical characteristics and memory-map sections of the manufacturer datasheet. The STM32F439ZIT6 is available in a 144-pin LQFP package that supports a broad mixture of general-purpose I/O, communication interfaces, analog functions, timers, and debug facilities. Its high pin count provides more interface options than smaller STM32 packages, making it suitable for designs that need substantial peripheral connectivity while retaining through-hole LQFP assembly and inspection. Typical applications include industrial automation controllers, motor-control platforms, networked industrial equipment, high-performance data acquisition systems, human-machine-interface controllers, and embedded gateways. The 180 MHz core and DSP instruction support benefit control loops and signal processing, while the 2 MB flash capacity allows larger firmware, communication stacks, and configuration data than smaller Cortex-M microcontrollers. When designing around the STM32F439ZIT6, allocate decoupling close to the supply pins, confirm every alternate-function assignment against the pinout, and validate clock, reset, and boot configuration before programming. Because the package exposes many multiplexed pins, a complete board-level review of power, grounds, signal integrity, and unused inputs is more valuable than relying on the processor headline frequency alone. This page combines the verified manufacturer and distributor specifications with package-level design guidance, application fit, drop-in comparison options, and practical selection criteria. It highlights where the STM32F439ZIT6 is a strong fit and where firmware, peripheral, qualification, or sourcing checks are still required before approving a replacement.

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STM32F446MCY6TR

STM32F446MCY6TR - 180MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32F446MCY6TR is a 32-bit ARM Cortex-M4 microcontroller operating up to 180 MHz, with 256 KB of Flash memory and DSP and FPU capabilities, supplied in an 81-pin WLCSP package. The exact RAM size, supply range, temperature range, and pin assignments are not present in the supplied verified snippets and therefore remain marked as data needed. A microcontroller, or MCU, is a semiconductor device that integrates a processor core, memory, peripherals, and communication interfaces into one compact component. The STM32F446 belongs to the STM32F4 high-performance family and is positioned above simpler control MCUs: its Cortex-M4 core supports digital signal processing and floating-point work, while the STM32 ecosystem provides development tools, firmware libraries, and board resources. The verified distributor listing identifies the device as a 32-bit Cortex-M4 MCU with 180 MHz operation and 256 KB of Flash. The STMicroelectronics family page also identifies the STM32F446 line with dual Quad SPI, SDRAM, and audio interfaces. These features make it suitable for systems requiring substantial peripheral connectivity alongside real-time control, signal processing, communications, or external-memory access. The device can serve as the central controller in industrial automation, audio equipment, communications infrastructure, instrumentation, and connected embedded products. Its 180 MHz execution rate provides more compute headroom than lower-frequency general-purpose MCUs, while DSP instructions and an FPU are valuable for filtering, control loops, and other arithmetic-intensive workloads. Peripheral requirements must still be checked against the exact package pinout and device datasheet. A key design consideration is software and peripheral migration. Firmware should be developed against the exact STM32F446 device definition, clock tree, memory map, and CubeMX configuration rather than assuming compatibility with every STM32F4 member. Power sequencing, decoupling, exposed-ball access, programming, and signal-integrity requirements depend on the verified 81-WLCSP layout and board design. This page consolidates the supplied distributor and manufacturer findings with explicit data gaps, rather than inventing specifications. It also avoids presenting generic STM32 cross-references as true drop-in replacements because the supplied search results did not verify same-package, pin-to-pin alternatives.

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STM32F446MEY6TR

STM32F446MEY6TR - 180MHz Cortex-M4 512KB MCU | STMicroelectronics

STMicroelectronics STM32F446MEY6TR is an Arm Cortex-M4 32-bit RISC microcontroller operating up to 180 MHz, with 512 KB of Flash memory and DSP and FPU capability, in an 81-WLCSP package measuring 3.80 mm by 3.69 mm. The device is positioned for compact, high-performance embedded systems requiring substantial processing speed, local program storage, and extensive serial peripherals. A microcontroller is a semiconductor device that integrates a processor core, memory, and peripherals into one package. The STM32F4 series belongs to the embedded-processing hierarchy: Arm Cortex-M core, 32-bit RISC processor, microcontroller, and embedded semiconductor. This integration reduces board area and lets firmware control communications, data acquisition, timing, storage, and external equipment through dedicated peripherals. The verified manufacturer information identifies a maximum operating frequency of 180 MHz, 512 KB of Flash, 225 DMIPS, an FPU, DSP instructions, dual Quad SPI, SDRAM support, and audio interfaces. The STM32F446 family therefore fits designs where compute performance and compactness matter more than a large general-purpose package. Its BGA-style WLCSP construction also requires careful PCB layout, assembly process control, and inspection because board-level rework is less straightforward than with exposed-leaded packages. The ARM Cortex-M4 core provides deterministic control alongside accelerated floating-point and digital signal processing. This combination is useful when control loops must execute quickly alongside filtering, transforms, audio processing, or sensor-data conditioning. The 512 KB program Flash provides more local code space than many entry-level microcontrollers, although the supplied sources do not state RAM capacity, exact peripheral mappings, voltage limits, or package pin definitions. Typical uses include compact industrial control, audio processing, communications equipment, digital signal acquisition, and embedded systems that benefit from external SDRAM. The family's dual Quad SPI can support high-bandwidth serial devices, while SDRAM and audio interfaces provide expansion paths for data-intensive or multimedia designs. Firmware and board support must be selected for the exact STM32F446 device variant. The primary engineering consideration is the 81-WLCSP assembly footprint. Its 3.80 mm by 3.69 mm area supports miniaturization but demands manufacturer-qualified PCB design rules, fine-pitch assembly capability, appropriate solder-paste control, and reliable inspection. Users should download the official datasheet and package drawing before assigning signals or releasing a layout. This page consolidates verified manufacturer and distributor information, exact pricing evidence, package constraints, and engineering guidance. It also distinguishes confirmed facts from missing technical data rather than inferring unverified RAM, pinout, electrical limits, or replacement details.

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STM32F446RCT6

STM32F446RCT6 - 180MHz 256KB Cortex-M4 MCU | STMicro

The STMicroelectronics STM32F446RCT6 is a 32-bit Arm Cortex-M4 microcontroller with DSP and FPU support, operating up to 180 MHz and packaged in a 64-LQFP 10 x 10 mm surface-mount package. It integrates 256 KB of flash memory, 128 KB of SRAM, and a 4 KB backup SRAM, making it suitable for real-time embedded systems requiring substantial local memory and peripheral integration. A microcontroller is a programmable semiconductor that combines a processor core, memory, and peripherals into one embedded-control device. The STM32F4 family belongs to the Arm Cortex-M4 microcontroller hierarchy, combining efficient interrupt-driven control with higher-performance floating-point and digital signal processing. STM32F446RCT6 is therefore positioned between simpler Cortex-M microcontrollers and higher-end Cortex-M7 devices for control, communications, and signal-processing workloads. Its headline features include a 180 MHz maximum core frequency, 256 KB flash, 128 KB system SRAM, and an Arm Cortex-M4 core with floating-point unit and DSP instructions. The verified distributor description also identifies a 64-LQFP package and high-performance foundation positioning. These resources support moderate real-time workloads, local buffering, protocol handling, and control loops without relying on external flash or SRAM. The STM32F446xC/E device family is designed for applications combining real-time control and connected embedded functionality. Its integrated processing performance supports faster control calculations than lower-frequency Cortex-M devices, while the DSP and FPU capabilities are useful for filtering, transforms, and numeric control algorithms. Exact peripheral configurations, voltage limits, timers, communication interfaces, and electrical ratings must be confirmed in the official STMicroelectronics product documentation before design release. Typical uses include industrial automation, motor and motion control, communications equipment, audio and digital signal processing, test and measurement, and connected embedded products. A motor-control design benefits from the 180 MHz processing rate and DSP/FPU resources; an industrial controller can use local memory for protocols and state; and a communications gateway can offload parsing and real-time tasks from a higher-level processor. Firmware and peripheral selection must still match the exact pinout and electrical requirements. Designers should begin with the STM32F446RC pinout and reference manual, then verify clocking, power, decoupling, reset, boot, and exposed-pin requirements against the selected PCB. Because only summary source data was supplied, detailed pin names, voltage ranges, current limits, and package thermal metrics are intentionally not guessed here. The page combines verified distributor specifications, sourcing links, and practical qualification guidance for engineering review.

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STM32F446RCT6TR

STM32F446RCT6TR - 180MHz Cortex-M4 MCU 256KB Flash | ST

The STMicroelectronics STM32F446RCT6TR is a high-performance ARM Cortex-M4 32-bit RISC microcontroller operating at up to 180 MHz, integrating 256 KB of Flash memory and housed in a 64-pin LQFP (10x10 mm) package. The Cortex-M4 core includes a single-precision floating-point unit (FPU) and DSP instructions, while the on-chip Art Accelerator enables 0-wait-state execution from Flash at full CPU speed. The MCU targets motor control, industrial, audio, and consumer applications that require DSP capability with low power consumption. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, peripherals, and I/O on one silicon die. The STM32 family is built on the ARM Cortex-M architecture, a 32-bit RISC core family widely used in embedded systems for its deterministic real-time behaviour and energy efficiency. The STM32F4 sub-family is the high-performance tier, positioning the STM32F4 above Cortex-M0/M3 devices in the STM32 portfolio, with DSP extensions and an FPU that simplify the design of motor control loops, audio codecs, and signal processing pipelines. Key features of the STM32F446RCT6TR include 128 KB of SRAM, a flexible static memory controller (FSMC) for external memory expansion, multiple high-speed timers, three 12-bit ADCs (2.4 MSPS), two 12-bit DACs, USB 2.0 full-speed and high-speed OTG interfaces, CAN 2.0B, SDMMC, I2S, and I2C. The supply voltage range of 1.8 V to 3.6 V makes it suitable for battery-powered applications, and seven low-power modes (Sleep, Stop, Standby, etc.) optimise energy use in duty-cycled designs. The Cortex-M4 architecture is paired with ST's ART Accelerator, which prefetches and caches instructions to deliver linear performance from Flash, eliminating the typical wait states that limit execution throughput. Hardware divide and single-cycle multiply accumulate (MAC) operations enable real-time DSP workloads, while the memory protection unit (MPU) and true random-number generator (TRNG) support secure firmware execution and cryptographic key generation for IoT endpoints. Typical applications for the STM32F446RCT6TR include motor drives (FOC for PMSM and BLDC), industrial fieldbus nodes (CAN, RS-485), audio DSP front-ends, USB peripherals, USB-C chargers, and consumer appliances that demand 32-bit performance without an MPU-class processor. The combination of USB HS OTG, CAN, and 12-bit ADC at 2.4 MSPS positions this MCU for sensor hubs and digital power conversion in the 100 W to 1 kW range. When designing with the STM32F446RCT6TR, the VDD/VDDA pin pair must be decoupled with 100 nF and 4.7 µF capacitors placed within 5 mm of the package, and the NRST pin requires an external 10 kΩ pull-up with a 100 nF capacitor for reliable reset behaviour. Boot mode is selected through the BOOT0 pin state at reset, and designers should provide a header or test point for in-system programming via SWD (PA13/PA14). The 64-LQFP (10x10) package has a typical thermal resistance of 38 °C/W, which is adequate for industrial-grade ambient operation up to 85 °C at moderate CPU load. This page synthesises distributor pricing, drop-in pin-compatible alternatives from the same STM32F4 family, and practical PCB design notes drawn from ST application notes and reference designs, providing information beyond the manufacturer datasheet summary alone.

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STM32F446RCT7

STM32F446RCT7 - 180MHz Cortex-M4 MCU, 256KB Flash | STMicroelectronics

The STMicroelectronics STM32F446RCT7 is an ARM Cortex-M4 32-bit microcontroller operating up to 180 MHz, with 256 KB of Flash memory and 64-LQFP (10 x 10 mm) packaging. It belongs to the STM32F4 high-performance microcontroller family and combines a floating-point processing unit with extensive embedded peripherals for control, communications, and signal-processing designs. A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, peripherals, and interface controllers onto one package. STM32 devices use the ARM Cortex-M architecture within a broader embedded-computing hierarchy: STM32F4 high-performance MCU -> ARM Cortex-M4 MCU -> 32-bit RISC processor -> embedded microcontroller. The STM32F446RCT7 is suited to systems requiring real-time control, data acquisition, communications, and moderate floating-point processing. Key verified features include a 180 MHz maximum operating frequency, 256 KB Flash memory, ARM Cortex-M4 core technology, and a 64-pin LQFP package. The Cortex-M4 core includes DSP and FPU capabilities according to the distributor and manufacturer descriptions. These features support responsive control loops and compact embedded applications without requiring a separate processor for many numerical tasks. The STM32F446xC/E family is identified by STMicroelectronics as a high-performance Arm Cortex-M4 32-bit RISC family, with devices operating up to 180 MHz. The 64-LQFP package provides a substantial pin count for external peripherals, while the 256 KB Flash capacity provides room for application firmware and embedded software. Exact peripheral details, voltage limits, memory breakdown, and temperature limits were not included in the supplied verified data and should be taken from the manufacturer datasheet before design release. Typical application directions include industrial automation, consumer electronics, medical devices, communications equipment, and embedded control systems. The STM32F446RCT7 is particularly relevant where real-time processing, control peripherals, communications, and a compact surface-mount package are required. The 180 MHz Cortex-M4 core also makes it a candidate for signal acquisition, motor-control assistance, and connected embedded systems, subject to peripheral and electrical verification. When designing a board around the STM32F446RCT7, engineers should use the official pinout and package drawing rather than relying on generic STM32F4 assumptions. Confirm the exact pin multiplexing, power requirements, decoupling network, clock plan, exposed programming interfaces, and peripheral assignments against the manufacturer documentation. A same-package replacement must also be checked for identical pin functions, memory requirements, electrical limits, and software-support requirements before substitution. This page consolidates the verified manufacturer and distributor descriptions for the STM32F446RCT7 and separates confirmed data from parameters requiring datasheet confirmation. It also records cross-reference leads and engineering-use guidance without treating generic STM32 alternatives as guaranteed drop-in replacements.

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STM32F446RCT7TR

STM32F446RCT7TR - 180MHz 256KB Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32F446RCT7TR is a 32-bit Arm Cortex-M4 microcontroller operating up to 180 MHz, with 256 KB of Flash memory in a 64-pin LQFP 10 x 10 mm package. The device combines a high-performance RISC core with DSP and FPU capabilities for embedded control, communications, audio, and industrial applications. A microcontroller is a compact embedded-computing component that integrates a processor core, memory, peripherals, and communication interfaces onto one semiconductor device. The STM32F4 family belongs to the hierarchy of 32-bit MCU, embedded processor, microcontroller, and semiconductor. STM32F446 devices are designed for applications requiring real-time control, data processing, and multiple peripheral resources within a single integrated circuit. The verified product information identifies an Arm Cortex-M4 core, 32-bit processing, a maximum operating frequency of 180 MHz, and 256 KB of Flash memory. The Cortex-M4 core supports digital signal-processing and floating-point workloads as identified by distributor descriptions. These characteristics make the MCU suitable for connected industrial equipment, sensor systems, audio equipment, medical instrumentation, and embedded control platforms. The STM32F446RCT7TR is offered in a 64-pin LQFP surface-mount package. The distributor listing identifies the package as 64-LQFP 10 x 10 mm, while another distributor description uses 64-Pin PQFP terminology for the same ordering code. The manufacturer product page describes the STM32F446xC/E family as based on a high-performance Arm Cortex-M4 32-bit RISC core operating up to 180 MHz. Typical applications include industrial automation, communication equipment, audio processing, medical devices, and networked embedded products. The device can serve as the central controller for real-time signal acquisition, motor or actuator control, communications bridging, and low-power supervisory functions. Exact peripheral assignments, voltage limits, memory-map details, and electrical operating limits should be confirmed in the manufacturer datasheet before design release. When designing around the STM32F446RCT7TR, engineers should preserve the package footprint, verify all exposed-pin assignments, provide suitable decoupling, and confirm the selected STM32F4 power, clock, and memory configuration against the board schematic. Firmware migration should also account for the exact STM32F446xC device variant and its documented peripheral configuration. This page consolidates verified distributor specifications, manufacturer family information, application guidance, and drop-in alternative analysis for engineers evaluating STM32F446RCT7TR designs.

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STM32F446RET6

STM32F446RET6 - 180MHz Cortex-M4 MCU, 512KB Flash | STMicroelectronics

The STMicroelectronics STM32F446RET6 is a high-performance 32-bit ARM Cortex-M4 microcontroller with FPU, running at up to 180 MHz, with 512 KB Flash and 128 KB SRAM, housed in a 64-pin LQFP (10x10 mm) package. A microcontroller (MCU) is a compact integrated circuit that governs a specific operation in an embedded system, combining a processor core, memory, and programmable I/O peripherals on a single chip. The STM32F446RET6 belongs to the STM32F4 series, part of the broader STM32 family of 32-bit ARM Cortex-M microcontrollers. Within this hierarchy it sits in the high-performance Cortex-M4 class, whose DSP instructions and single-precision FPU make it well suited to real-time signal processing and closed-loop control. Key features include 512 KB Flash with 128 KB system SRAM plus 4 KB backup SRAM, a rich analog subsystem with three 12-bit ADCs and two 12-bit DACs, and 14 timers (12x 16-bit and 2x 32-bit). Communication coverage is broad: SPI, I2C, USART, CAN, USB OTG FS/HS, SDIO, and an 8080/6800 LCD parallel interface. A true random number generator, camera interface (DCMI), and memory protection unit extend its security and imaging capability. Technically, the device operates from a 1.7V to 3.6V supply and uses flexible clocking: external crystal (HSE), internal RC oscillators (HSI/LSI), and PLL multiplication to reach the full 180 MHz core clock. The Cortex-M4 NVIC and MPU support deterministic real-time behavior, while the LQFP64 package provides 51 GPIO pins, many multiplexed to alternate functions. Typical applications include motor control (FOC exploits the FPU and fast ADCs), industrial automation, digital audio processing (the F446 media-access line was designed for audio with I2S and PLLI2S), and IoT nodes requiring USB or CAN connectivity. Design consideration: decouple all VDD/VDDA pins with 100 nF ceramics close to the pins, and route the HSE crystal with short traces and guard ground for stable 180 MHz operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the ST datasheet.

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STM32F446RET6TR

STM32F446RET6TR - 180MHz Cortex-M4 MCU, 512KB Flash | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F446RET6TR is a high-performance 32-bit ARM Cortex-M4 microcontroller with FPU, running at up to 180 MHz, with 512 KB Flash and 128 KB SRAM, housed in a 64-pin LQFP (10x10 mm) package. A microcontroller (MCU) is a compact integrated circuit that governs a specific operation in an embedded system, combining a processor core, memory, and programmable I/O peripherals on a single chip. The STM32F446RET6TR belongs to the STM32F4 series, part of the broader STM32 family of 32-bit ARM Cortex-M microcontrollers. Within this hierarchy it sits in the high-performance Cortex-M4 class, whose DSP instructions and single-precision FPU make it well suited to real-time signal processing and closed-loop control. Key features include 512 KB Flash with 128 KB system SRAM plus 4 KB backup SRAM, a rich analog subsystem with three 12-bit ADCs and two 12-bit DACs, and 14 timers (12x 16-bit and 2x 32-bit). Communication coverage is broad: SPI, I2C, USART, CAN, USB OTG FS/HS, SDIO, and an 8080/6800 LCD parallel interface. A true random number generator, camera interface (DCMI), and memory protection unit extend its security and imaging capability. Technically, the device operates from a 1.7V to 3.6V supply and uses flexible clocking: external crystal (HSE), internal RC oscillators (HSI/LSI), and PLL multiplication to reach the full 180 MHz core clock. The Cortex-M4 NVIC and MPU support deterministic real-time behavior, while the LQFP64 package provides 51 GPIO pins, many multiplexed to alternate functions. Typical applications include motor control (FOC exploits the FPU and fast ADCs), industrial automation, digital audio processing (the F446 media-access line was designed for audio with I2S and PLLI2S), and IoT nodes requiring USB or CAN connectivity. Design consideration: decouple all VDD/VDDA pins with 100 nF ceramics close to the pins, and route the HSE crystal with short traces and guard ground for stable 180 MHz operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the ST datasheet.

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STM32F446RET7

STM32F446RET7 - 180MHz Cortex-M4 512KB MCU | STMicroelectronics

The STMicroelectronics STM32F446RET7 is a 32-bit Arm Cortex-M4 microcontroller with a 180 MHz maximum clock, 512 KB of flash memory, and a 64-pin LQFP package measuring 10 mm by 10 mm. The verified distributor listing identifies an integrated floating-point unit and DSP capability, making the device suitable for real-time control, signal processing, communications, and connected embedded systems. A microcontroller is a programmable system-on-chip that integrates a CPU core, nonvolatile program memory, data memory, peripherals, and interface controllers on one die. In the product hierarchy, the STM32F446 belongs to the STM32F4 family of 32-bit microcontrollers and combines an Arm Cortex-M4 processor with embedded-control peripherals. Its 32-bit architecture supports efficient control tasks, while the DSP and FPU features improve performance for common signal-processing workloads. The verified data establishes a 180 MHz operating frequency, 512 KB organized as 512K by 8 bits of flash, and a 64-LQFP package. The STM32F4 family positioning also identifies the device as a high-performance foundation-line MCU. Detailed RAM size, GPIO count, operating-voltage range, peripheral inventory, temperature range, and electrical limits are not present in the supplied excerpts and therefore remain marked as data needed rather than inferred. The STM32F446RET7 can serve as the central controller in industrial equipment where deterministic real-time behavior and floating-point calculations are useful. Its Cortex-M4 DSP and FPU support is relevant to digital filtering, control loops, motion-related computation, and signal conditioning. The 512 KB flash capacity provides room for a substantial embedded application and boot code, although final firmware sizing must be checked against SRAM, bootloader, and peripheral requirements. A 64-pin LQFP is appropriate for prototypes, instruments, automation controllers, communications equipment, and industrial control boards that need more external pins than a compact QFN package provides. The 10 mm by 10 mm body is larger than the smallest leaded packages, so PCB designers should follow the manufacturer land pattern and allow adequate pin-row clearance during inspection and rework. When selecting this MCU, engineers should verify the complete pinout, alternate-function mapping, clock tree, memory map, and peripheral electrical limits from the manufacturer datasheet before layout. Firmware development also requires confirming the supported toolchain and debugging interface. Migration to another STM32F4 device should never be based only on package similarity; peripheral functions, pin assignments, clock requirements, and software support must be reviewed explicitly. This product record consolidates verified distributor specifications, source links, package details, application guidance, and replacement limitations. It also distinguishes confirmed drop-in facts from unverified comparisons so procurement and engineering teams can review current availability, pricing, and technical fit against authoritative documentation.

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STM32F446RET7TR

STM32F446RET7TR - 180MHz Cortex-M4 512KB MCU | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F446RET7TR is a 32-bit Arm Cortex-M4 microcontroller with a 180 MHz maximum clock, 512 KB of flash memory, and a 64-pin LQFP package measuring 10 mm by 10 mm. The verified distributor listing identifies an integrated floating-point unit and DSP capability, making the device suitable for real-time control, signal processing, communications, and connected embedded systems. A microcontroller is a programmable system-on-chip that integrates a CPU core, nonvolatile program memory, data memory, peripherals, and interface controllers on one die. In the product hierarchy, the STM32F446 belongs to the STM32F4 family of 32-bit microcontrollers and combines an Arm Cortex-M4 processor with embedded-control peripherals. Its 32-bit architecture supports efficient control tasks, while the DSP and FPU features improve performance for common signal-processing workloads. The verified data establishes a 180 MHz operating frequency, 512 KB organized as 512K by 8 bits of flash, and a 64-LQFP package. The STM32F4 family positioning also identifies the device as a high-performance foundation-line MCU. Detailed RAM size, GPIO count, operating-voltage range, peripheral inventory, temperature range, and electrical limits are not present in the supplied excerpts and therefore remain marked as data needed rather than inferred. The STM32F446RET7TR can serve as the central controller in industrial equipment where deterministic real-time behavior and floating-point calculations are useful. Its Cortex-M4 DSP and FPU support is relevant to digital filtering, control loops, motion-related computation, and signal conditioning. The 512 KB flash capacity provides room for a substantial embedded application and boot code, although final firmware sizing must be checked against SRAM, bootloader, and peripheral requirements. A 64-pin LQFP is appropriate for prototypes, instruments, automation controllers, communications equipment, and industrial control boards that need more external pins than a compact QFN package provides. The 10 mm by 10 mm body is larger than the smallest leaded packages, so PCB designers should follow the manufacturer land pattern and allow adequate pin-row clearance during inspection and rework. When selecting this MCU, engineers should verify the complete pinout, alternate-function mapping, clock tree, memory map, and peripheral electrical limits from the manufacturer datasheet before layout. Firmware development also requires confirming the supported toolchain and debugging interface. Migration to another STM32F4 device should never be based only on package similarity; peripheral functions, pin assignments, clock requirements, and software support must be reviewed explicitly. This product record consolidates verified distributor specifications, source links, package details, application guidance, and replacement limitations. It also distinguishes confirmed drop-in facts from unverified comparisons so procurement and engineering teams can review current availability, pricing, and technical fit against authoritative documentation.

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Products (39,000+)

STM32F437IGT6 - 180MHz Cortex-M4 MCU | STMicroelectronics

STM32F437IIH6 - 180MHz Cortex-M4F MCU 2MB Flash | STMicroelectronics

STM32F437IIT6 - 180MHz 2MB Flash ARM Cortex-M4 MCU | STMicroelectronics

STM32F437VIT6 - 2MB Flash, 180MHz ARM Cortex-M4 MCU | STMicroelectronics

STM32F437VIT7 - 180MHz Cortex-M4 MCU | STMicroelectronics

STM32F437ZIT6 - 2MB Flash, 180MHz ARM Cortex-M4 MCU | STMicroelectronics

STM32F437ZIT7 - 180MHz Cortex-M4 2MB MCU | STMicroelectronics

STM32F439BIT6 - 180MHz Cortex-M4 MCU 2MB Flash 208-LQFP

STM32F439IGT6 - 180MHz ARM MCU 1MB Flash LQFP-176 | STMicroelectronics

STM32F439IIT6 - 180MHz Cortex-M4 MCU | ST | Industrial

STM32F439VGT6 - 180MHz Cortex-M4 MCU, 1MB Flash | STMicroelectronics

STM32F439VIT6 - 180MHz Cortex-M4 2MB Flash 100-LQFP MCU | STMicroelectronics

STM32F439ZGT6 - 180MHz Cortex-M4 1MB MCU | STMicroelectronics

STM32F439ZIT6 - 180MHz Cortex-M4 MCU | STMicroelectronics

STM32F446MCY6TR - 180MHz Cortex-M4 MCU | STMicroelectronics

STM32F446MEY6TR - 180MHz Cortex-M4 512KB MCU | STMicroelectronics

STM32F446RCT6 - 180MHz 256KB Cortex-M4 MCU | STMicro

STM32F446RCT6TR - 180MHz Cortex-M4 MCU 256KB Flash | ST

STM32F446RCT7 - 180MHz Cortex-M4 MCU, 256KB Flash | STMicroelectronics

STM32F446RCT7TR - 180MHz 256KB Cortex-M4 MCU | STMicroelectronics

STM32F446RET6 - 180MHz Cortex-M4 MCU, 512KB Flash | STMicroelectronics

STM32F446RET6TR - 180MHz Cortex-M4 MCU, 512KB Flash | STMicroelectronics (Tape & Reel)

STM32F446RET7 - 180MHz Cortex-M4 512KB MCU | STMicroelectronics

STM32F446RET7TR - 180MHz Cortex-M4 512KB MCU | STMicroelectronics (Tape & Reel)