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STM32F103RET7 - 72MHz Cortex-M3 512KB MCU | STMicroelectronics
STM32F103RET7

STM32F103RET7 - 72MHz Cortex-M3 512KB MCU | STMicroelectronics

The STMicroelectronics STM32F103RET7 is an ARM Cortex-M3 32-bit microcontroller operating at 72 MHz, with 512 KB of Flash memory and a 64-LQFP package measuring 10 mm by 10 mm. It belongs to STMicroelectronics’ STM32F1 high-density performance line and integrates communication peripherals including USB, CAN, 11 timers, 3 ADCs, and 13 communication interfaces. These headline resources make it suitable for embedded control, motor-control, industrial communication, and data-acquisition systems requiring broad peripheral integration in a conventional surface-mount package. A microcontroller is an integrated circuit that executes firmware, reads inputs, controls outputs, and manages communication and timing functions. The STM32F103RET7 combines a 32-bit ARM Cortex-M3 processor with embedded Flash and SRAM resources, forming an MCU within the broader embedded-systems and semiconductor hierarchy. Its high peripheral count reduces the need for external interface chips while supporting multiple communication protocols and mixed-signal measurements. The verified product listing identifies a 72 MHz ARM Cortex-M3 core, 512 KB Flash organized as 512K by 8 bits, 64 pins, and a 10 mm by 10 mm LQFP package. The related manufacturer-description excerpt also identifies USB, CAN, 11 timers, 3 ADCs, and 13 communication interfaces. These features support applications that combine real-time control with serial networking, analog measurement, and programmable timing. Compared with simpler 8-bit or low-pin-count MCUs, the STM32F103RET7 offers substantially more processing capacity, memory, and peripheral connectivity while remaining in a 64-pin LQFP package. The 72 MHz Cortex-M3 architecture is suited to control loops, protocol stacks, and human-machine-interface logic. Its three ADC channels and communication interfaces can consolidate measurement and communications onto one controller, although final design suitability depends on electrical ratings and peripheral details not supplied in the verified data. Typical uses include industrial automation controllers, USB- or CAN-connected embedded equipment, motor-control subsystems, and multi-channel data-acquisition systems. Design teams should verify power-supply requirements, exact I/O ratings, memory organization, peripheral multiplexing, clock-tree settings, and package pin assignments against the official STMicroelectronics datasheet before schematic capture or PCB release. A key implementation consideration is that MCU replacement requires validation at firmware, electrical, timing, and peripheral levels. Pin compatibility alone does not guarantee identical behavior, especially when changing manufacturers or clock rates. This page combines verified distributor identity data, same-package alternative research, application guidance, and selection criteria rather than treating all functional equivalents as automatic drop-ins.

見積もり 在庫あり
STM32F103RFT6 - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics
STM32F103RFT6

STM32F103RFT6 - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103RFT6 is a 32-bit ARM Cortex-M3 microcontroller operating at up to 72 MHz, with 768 KB of Flash memory, 96 KB of RAM, 51 I/O pins, and a 64-pin LQFP package measuring 10 mm by 10 mm. It is an XL-density performance-line STM32F1 series MCU designed for embedded systems requiring substantial memory, extensive connectivity, and multiple peripheral functions. An STM32F1 microcontroller is a 32-bit embedded-control component combining a processor core, program Flash, static RAM, GPIO, timers, analog converters, and communication interfaces. STM32F1 devices belong to the microcontroller hierarchy, where they sit between a general-purpose microprocessor and simpler fixed-function embedded controllers. The Cortex-M3 core uses a reduced-instruction architecture optimized for control workloads, interrupt handling, and real-time embedded applications. The supplied specifications identify the STM32F103RFT6 with 768 KB program Flash, 96 KB RAM, 51 I/O pins, a 72 MHz operating frequency, and a 64-LQFP package. The device also belongs to the STM32F103 XL-density family and is associated with USB, CAN, timers, ADCs, and communication interfaces. These features support designs requiring multiple serial peripherals, control-loop timing, data acquisition, and external connectivity rather than a simple GPIO-only control node. The STM32F103RFT6 is suitable for industrial automation, motor control, communications, USB-enabled embedded products, CAN-connected equipment, and general-purpose control boards. Its 51 available I/O pins provide connectivity for sensors, actuators, displays, memory, transceivers, and status indicators. The 768 KB Flash capacity offers room for a larger application, bootloader, protocol stack, or logging subsystem than lower-density STM32F1 variants, while 96 KB RAM supports buffered communications and control data. The 64-LQFP package is mechanically suited to leaded PCB assembly and provides a documented alternative to smaller fine-pitch packages when inspection, rework, or hand assembly matters. Designers should confirm the exact pinout, electrical limits, clock configuration, startup behavior, and peripheral assignments from the manufacturer datasheet before finalizing a board. STM32F103RFT6 is supplied in tray packaging according to the verified distributor data. This product page combines distributor specifications, manufacturer-related sourcing information, and engineering-oriented application guidance. It also records the verified availability of same-footprint alternatives without treating a pin-compatible candidate as automatically equivalent in firmware, timing, or analog behavior. The STM32F103RFT6 is therefore best understood as a high-memory STM32F1 MCU platform selected when its documented resources and package match the system requirements.

見積もり 在庫あり
STM32F103RGT6 - 72MHz Cortex-M3 MCU 1MB Flash | STMicroelectronics
STM32F103RGT6

STM32F103RGT6 - 72MHz Cortex-M3 MCU 1MB Flash | STMicroelectronics

The STMicroelectronics STM32F103RGT6 is an XL-density performance line 32-bit microcontroller based on the ARM Cortex-M3 core running at up to 72 MHz (1.25 DMIPS/MHz), with 1 MB Flash memory and 96 KB SRAM, housed in a 64-pin LQFP (10x10 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals on one die, sitting within the broader hierarchy of semiconductor devices as an embedded processor within the system-on-chip and power management ecosystem. The STM32F1 series performance line targets cost-sensitive embedded control where the ARM Cortex-M3 architecture provides deterministic, single-cycle multiply and hardware division. Key features include 1 MB of embedded Flash for large application code, 96 KB of SRAM, 17 timers, 3x 12-bit ADCs, and 13 communication interfaces covering USB, CAN, USART, SPI, and I2C. The flexible static memory controller (FSMC) supports 4 chip selects and a parallel LCD interface in 8080/6800 modes. Architecturally, the Cortex-M3 core operates from a 2.0V to 3.6V supply with an embedded PLL generating the 72 MHz system clock. Interrupt latency is handled by the nested vectored interrupt controller, and the bus matrix enables parallel peripheral access for deterministic real-time behavior in motor control and communication workloads. Typical applications include industrial automation and motor control, USB and CAN-based communication modules, consumer appliances, and low-cost development platforms, where the large 1 MB Flash accommodates RTOS and communication stacks without external memory. Design consideration: the ADC performance is sensitive to VDDA quality, so provide separate analog supply filtering; also note Flash zero-wait-state behavior only up to 24 MHz, with wait states required at 72 MHz. This page synthesizes distributor pricing, verified drop-in alternatives such as GD32F103RGT6, and practical design notes not consolidated in the manufacturer datasheet.

USD $4.15 在庫あり
STM32F103RGT7 - 72MHz Cortex-M3 1MB Flash MCU | ST
STM32F103RGT7

STM32F103RGT7 - 72MHz Cortex-M3 1MB Flash MCU | ST

STMicroelectronics STM32F103RGT7 is a 32-bit ARM Cortex-M3 RISC microcontroller operating at 72 MHz, with 1 MB Flash memory and up to 96 KB SRAM, housed in a 64-LQFP 10 x 10 mm package. It belongs to the STM32F1 performance-line family and is positioned for embedded control applications requiring high processing speed, substantial program memory, and extensive peripheral integration. The STM32F103 is a 32-bit microcontroller, or MCU, combining a RISC processor core with embedded Flash, SRAM, clocking, communications, timers, and GPIO resources. In the system hierarchy, an MCU is a semiconductor and embedded-control IC that executes firmware while directly controlling sensors, actuators, communications, and human-machine interfaces. The Cortex-M3 architecture provides a deterministic instruction environment suitable for real-time embedded control. Key verified features include operation up to 72 MHz, 1 MB of Flash memory, up to 96 KB SRAM, three 12-bit ADCs, three timers, and support for three APB buses. The high Flash capacity allows larger firmware images, protocol stacks, bootloader code, and application logic to be consolidated on one device. The 64-LQFP package also exposes a broad peripheral complement while remaining compatible with conventional leaded-board assembly and inspection. The STM32F103RGT7 combines a high-performance ARM Cortex-M3 core with memory and peripheral resources connected through two APB buses. Its XL-density designation is reflected in the 1 MB Flash configuration, making it more suitable than smaller-density devices for gateways, industrial controllers, data acquisition systems, and connected embedded products. The verified distributor description identifies the device as a 32-bit, 72 MHz Cortex-M3 MCU with 1M x 8 Flash. Typical applications include industrial automation, motor control, communications equipment, data acquisition, instrumentation, and embedded gateways. Three ADC channels support analog measurement, while multiple timers support timing, waveform generation, motor-control, and encoder-related functions. The large Flash and SRAM resources also support protocol conversion and supervisory firmware without requiring a separate external memory device. Designers should verify the exact peripheral pin mapping, clock configuration, operating voltage limits, and startup behavior against the manufacturer datasheet before layout release. Decoupling, oscillator stability, programming access, reset circuitry, and thermal performance remain PCB-level priorities. STM32F103RGT7 sourcing is supported by the ST product page, DigiKey, Mouser, LCSC, and ST eStore listings captured in the verified data. This product page consolidates verified distributor specifications, package information, sourcing links, and design guidance into a compact engineering reference. It does not invent electrical limits or pin functions that were absent from the supplied source data.

USD $9.81 在庫あり
STM32F103T8U6 - 72MHz Cortex-M3 64KB Flash MCU | ST
STM32F103T8U6

STM32F103T8U6 - 72MHz Cortex-M3 64KB Flash MCU | ST

The STMicroelectronics STM32F103T8U6 is a 32-bit ARM Cortex-M3 microcontroller running at up to 72 MHz with 64 KB of Flash memory, 20 KB of SRAM, and 26 GPIO, housed in a 36-pin VFQFPN (6x6 mm) package with exposed pad. A microcontroller unit (MCU) integrates a processor core, memory, and peripherals on a single die, sitting at the heart of the embedded-system hierarchy: MCU -> embedded controller -> electronic system. The STM32F1 family belongs to ST's medium-density performance line of ARM-based 32-bit MCUs, widely used where deterministic real-time control and low cost are required. Key features include 1.25 DMIPS/MHz Cortex-M3 performance at 0-wait-state memory access, single-cycle multiplication and hardware division, 64 KB embedded Flash, and rich connectivity: CAN 2.0B, I2C, SPI, UART/USART, USB 2.0 full-speed, and IrDA/LIN support. Peripheral set includes DMA, motor-control PWM timers, PDR/POR/PVD reset functions, watchdogs, and a temperature sensor. Architecturally, the Cortex-M3 core with its nested vectored interrupt controller (NVIC) provides deterministic 12-cycle interrupt latency, essential for motor control and communication stacks. The medium-density memory map supports Flash access at 0 wait states up to 24 MHz with prefetch buffer for higher frequencies. Typical applications are industrial automation nodes, BLDC motor control drives, USB/CAN communication boards, and low-cost development platforms such as the original Maple and Arduino-compatible boards. Design consideration: the VFQFPN-36 exposed pad must be soldered to a ground plane for thermal and signal-integrity performance; hand rework of QFN packages requires hot-air tooling. This page synthesizes distributor availability data, drop-in alternatives such as GD32F103T8U6, and practical design notes not found in the manufacturer datasheet.

USD $2.05 在庫あり
STM32F103T8U7 - 72MHz Cortex-M3 64KB MCU | STMicroelectronics
STM32F103T8U7

STM32F103T8U7 - 72MHz Cortex-M3 64KB MCU | STMicroelectronics

The STMicroelectronics STM32F103T8U7 is a 32-bit Arm Cortex-M3 RISC microcontroller operating at 72 MHz, with 64 KB of Flash memory and a 36-pin VFQFPN package measuring 6 x 6 mm. It belongs to the STM32F1 medium-density performance line and is positioned for embedded control, communications, and mixed-signal applications. A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, peripherals, and communication interfaces on one semiconductor device. The STM32F103T8U7 uses the Arm Cortex-M3 architecture, which supports efficient real-time instruction execution. Its 72 MHz operating frequency provides a substantial performance increase over many lower-frequency 8-bit and 16-bit control solutions while retaining a broad embedded peripheral ecosystem. Verified product information identifies 64 KB of Flash memory, USB, CAN, and LIN support, and a 36-VFQFPN package. The STM32F103 family also provides timer and mixed-signal resources suitable for motor control, sensor acquisition, communications, and general-purpose embedded products. The U7 ordering code and tray packaging identify this specific commercial configuration, but electrical limits, SRAM capacity, peripheral details, and operating-temperature data should be confirmed in the manufacturer datasheet before final design release. The STM32F103T8U7 is appropriate for industrial controllers, communication modules, USB peripherals, motor-control systems, and compact control platforms. Its 64 KB Flash capacity provides room for boot code, application firmware, and configuration data, although memory planning must include bootloader, protocol stack, and application overhead. The 6 x 6 mm VFQFPN land pattern also requires careful exposed-pad layout and thermal management. For PCB implementation, follow the manufacturer footprint and exposed-pad recommendations, provide clean supply decoupling, and keep high-current return paths physically short. Firmware should account for clock configuration, peripheral initialization, reset behavior, and any required migration from another STM32F1 variant. This page summarizes verified distributor and manufacturer information while clearly separating confirmed values from parameters requiring datasheet confirmation.

USD $8.73 在庫あり
STM32F103TBU7 - 72MHz Cortex-M3 128KB MCU | STMicroelectronics
STM32F103TBU7

STM32F103TBU7 - 72MHz Cortex-M3 128KB MCU | STMicroelectronics

The STMicroelectronics STM32F103TBU7 is an ARM Cortex-M3 32-bit microcontroller with a 72 MHz maximum operating frequency, 128 KB of Flash memory, and a 36-VFQFPN package measuring 6 x 6 mm. It belongs to the STM32F1 medium-density performance line and integrates USB, CAN, timers, ADCs, and communication peripherals for embedded control, communications, and vehicle-gateway applications. A microcontroller is a semiconductor device that combines a processor core, memory, and peripherals into one embedded-computing component. In the system hierarchy, this device is an MCU, an embedded processor, and ultimately an integrated circuit. The STM32F103TBU7 uses an ARM Cortex-M3 core capable of 1.25 DMIPS per MHz at zero-wait-state memory access, providing a practical balance of processing performance, memory capacity, and peripheral integration. Key features include a 32-bit ARM Cortex-M3 processor, 72 MHz maximum frequency, 128 KB Flash memory, hardware USB and CAN support, seven timers, two ADCs, and nine communication interfaces. Its 128 KB Flash supports stored firmware and application code, while the communication peripherals enable connected embedded systems without requiring separate interface controllers. The 36-VFQFPN package also exposes an exposed pad according to the provided product result, supporting compact surface-mount designs. The STM32F103 family is positioned for medium-density embedded applications where USB, CAN, timing, analog conversion, and serial communications are useful. The MCU is suitable for industrial modules, vehicle gateway nodes, CAN or LIN control networks, motor-control equipment, instrumentation, and communication boards. Its 72 MHz operating limit should be considered alongside clock configuration, peripheral timing, memory wait states, and thermal requirements. For PCB design, use the manufacturer datasheet and package drawing for the exact exposed-pad connection, pin numbering, and recommended land pattern. The verified web results identify the package as 36-VFQFPN (6 x 6 mm), but the complete public pin assignment and electrical limits must be confirmed from the manufacturer datasheet before layout or firmware release. This page consolidates the verified distributor and manufacturer-linked product information, practical application guidance, and a conservative drop-in replacement assessment. The provided search data confirms the core identity and package, while missing detailed electrical, pin-level, price, and lifecycle parameters are marked for data completion rather than guessed.

見積もり 在庫あり
STM32F103V8H6 - 72MHz 64KB Cortex-M3 MCU | STMicroelectronics
STM32F103V8H6

STM32F103V8H6 - 72MHz 64KB Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103V8H6 is a 32-bit Arm Cortex-M3 microcontroller operating at 72 MHz, with 64 KB of embedded Flash memory and a 100-LFBGA package. It is designed for embedded control applications requiring a high-performance processor core, integrated serial communications, analog conversion, timers, and a broad set of general-purpose I/O. The supplied distributor data identifies the part as a 64 KB Flash STM32F1-series MCU, while the manufacturer describes the STM32F103V8 family as a medium-density performance-line device with high-speed embedded memory and enhanced peripherals connected to two APB buses. A microcontroller, or MCU, is a semiconductor device that integrates a CPU core, memory, peripherals, and I/O into one package. The STM32F103V8H6 belongs to the STM32F103 medium-density performance line and uses the Arm Cortex-M3 32-bit RISC architecture. This hierarchy places it within embedded processors, then microcontrollers, and finally general-purpose semiconductor components. Its integrated design reduces the number of external components required for control, measurement, communication, and timing functions. Key verified attributes include an Arm Cortex-M3 core, a maximum clock frequency of 72 MHz, 64 KB Flash memory, two 12-bit ADCs, three general-purpose 16-bit timers according to the manufacturer family description, and a broad selection of communication interfaces. The family description also identifies high-speed embedded memories and enhanced I/O, making the device suitable for compact control systems that need deterministic peripheral performance. The verified distributor listing identifies the package as 100-LFBGA; a separate comparison listing describes the package as 100LFBGA. The STM32F103V8H6 is suitable for industrial control modules, motor-control systems, communication equipment, instrumentation, and connected embedded products. Its 72 MHz processing rate supports responsive control loops and protocol handling, while the ADC resources are useful for sensor acquisition and process monitoring. The two APB-bus architecture provides an organized connection between the processor core and peripherals, helping designers separate bus activity and simplify firmware configuration. For new PCB designs, the exact LFBGA footprint, pin assignment, power architecture, and exposed-pad requirements must be confirmed against the official STMicroelectronics documentation before layout. Firmware should also be validated against the selected peripheral configuration, clock plan, and toolchain. This page uses only values explicitly present in the supplied verified web data; unprovided specifications are marked as data-needed rather than inferred. This product page combines the verified manufacturer description, distributor identification, package data, datasheet links, pricing references, and engineering-oriented design guidance for engineers evaluating STM32F103V8H6.

見積もり 在庫あり
STM32F103V8T6 - ARM Cortex-M3 72MHz MCU 64KB Flash | ST
STM32F103V8T6

STM32F103V8T6 - ARM Cortex-M3 72MHz MCU 64KB Flash | ST

The STMicroelectronics STM32F103V8T6 is a 32-bit ARM Cortex-M3 microcontroller running at 72 MHz with 64 KB Flash and 20 KB SRAM, housed in a 100-pin LQFP (14 x 14 mm) package. A microcontroller (MCU) integrates a processor core, memory, and peripherals onto a single chip, forming the lowest layer of the embedded computing hierarchy below microprocessors and application processors. The STM32F1 Performance line belongs to ST's STM32 family of general-purpose MCUs, based on the ARM Cortex-M3 32-bit RISC core. Key features of the STM32F103V8T6 include the 72 MHz Cortex-M3 core, 64 KB on-chip Flash and 20 KB SRAM, two 12-bit ADCs, a USB 2.0 full-speed interface, a CAN 2.0B controller, and seven 16-bit timers per ST's official product description. The Cortex-M3 Harvard architecture delivers deterministic interrupt handling through the Nested Vectored Interrupt Controller, while the embedded Flash with prefetch buffer sustains full-speed core operation. The peripheral set spans multiple USART, SPI, and I2C interfaces, enabling rich connectivity within a single supply domain. Typical applications include industrial control boards, motor-control nodes, communication modules, and low-cost embedded platforms - markets where the STM32F103 line has been a default choice for over fifteen years. Designers should verify Flash wait-state configuration at 72 MHz (two wait states) and confirm second-source compatibility for clock and HAL settings when using drop-in substitutes. This page synthesizes distributor pricing, validated drop-in alternatives, and cross-reference guidance not found in the manufacturer datasheet, with pricing verified as of 2026-09-06.

USD $4.40 在庫あり
STM32F103VBH6 - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics
STM32F103VBH6

STM32F103VBH6 - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103VBH6 is a 32-bit ARM Cortex-M3 microcontroller with a maximum clock frequency of 72 MHz, 128 KB of Flash memory, and 37 I/O ports, supplied in a 7 x 7 mm, 0.5 mm-pitch VFQFPN-48 package. It is a performance-line embedded MCU combining USB, CAN, seven 16-bit timers, two 12-bit ADCs, and multiple communication interfaces for compact control systems. A microcontroller is an integrated circuit that executes firmware, reads inputs, controls outputs, and manages embedded-system resources. The STM32F103VBH6 belongs to the MCU hierarchy: ARM Cortex-M3 microcontroller, 32-bit embedded processor, and programmable control device. Its combination of 72 MHz processing, 128 KB Flash, and USB and CAN support makes it suitable for industrial controls, communication equipment, data acquisition, and motor-control prototypes where several peripherals are required on one device. The verified device description identifies the part as a performance-line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, and two 12-bit, 1 microsecond ADC channels. The reported operating supply range is 2 V to 3.6 V, while one verified source also identifies RoHS compliance and an active lifecycle status. These features support low-voltage embedded designs that need high processing speed and integrated serial communications without requiring a separate external interface controller. The Cortex-M3 core and 72 MHz operating point provide a practical balance of control-loop performance, memory, and peripheral integration. USB and CAN support can reduce external component count in USB-connected control products and CAN-based industrial equipment. The two ADC channels and seven timers support sensor monitoring, timing, motor-control, and signal-generation functions, provided the selected peripheral pins and board-level analog circuitry are designed according to the manufacturer documentation. Typical applications include USB-to-digital monitoring systems, CAN-connected industrial controllers, embedded instrumentation, automation boards, and compact motor-control or timing platforms. The 48-pin package provides access to the MCU's available I/O, power, ground, analog, and communication functions, but pin assignments and exposed-pad requirements must be checked against the official STM32F103VBH6 datasheet before PCB release. A key design consideration is validating power, clock, decoupling, boot configuration, and signal routing on the selected board. Because the supplied verified data does not include complete electrical limits, pin names, or timing details, designers should not infer missing values; consult the manufacturer datasheet and package drawing for authoritative implementation requirements. This page combines verified distributor and source information with practical application context, procurement data, and replacement-source guidance. It is intended to help engineers identify the correct STM32 MCU, compare compatible sourcing options, and move quickly to datasheet-driven design validation.

USD $6.36 在庫あり
STM32F103VBH7 - 72MHz Cortex-M3 MCU 128KB LFBGA-100 | STMicroelectronics
STM32F103VBH7

STM32F103VBH7 - 72MHz Cortex-M3 MCU 128KB LFBGA-100 | STMicroelectronics

The STMicroelectronics STM32F103VBH7 is a 32-bit ARM Cortex-M3 microcontroller operating at 72 MHz with 128 KB of embedded Flash memory, packaged in a 100-ball LFBGA (10x10 mm). It integrates 1.25 DMIPS/MHz performance (90 DMIPS total), a single-cycle hardware multiplier and divider, and a rich peripheral set: two 12-bit ADCs (1 us conversion), seven 16-bit timers, USB Full-Speed, CAN 2.0B, two I2C, three SPI, two I2S, three USART, two UART, one SDIO, and an FSMC interface for external memory. The supply voltage is 2.0 V to 3.6 V and the device provides 80 general-purpose I/O pins with interrupt capability. An ARM Cortex-M3 microcontroller (often shortened to MCU or simply "Cortex-M3") is a 32-bit RISC processor designed by Arm that targets deterministic, real-time embedded applications. Within the broader taxonomy, it sits under MCU (microcontroller) -> embedded processor -> semiconductor IC. The Cortex-M3 family is widely used in industrial control, motor drives, consumer electronics, and USB peripherals because it combines deterministic interrupt latency (typically 12 cycles) with low power consumption and a Thumb-2 instruction set that keeps code density comparable to 8-bit MCUs. STMicroelectronics' STM32F103 sub-family further extends this with the high-speed peripherals listed above. Key features of the STM32F103VBH7 include support for Sleep, Stop, and Standby low-power modes, an internal 8 MHz RC oscillator with PLL multipliers up to 9x (yielding 72 MHz), an embedded real-time clock (RTC) with calendar and alarm functions, and a 96-bit unique device ID. The two 12-bit ADCs each offer up to 16 input channels (12 on the LFBGA-100 package variant) and can be triggered by timers for precise sampling in motor-control loops. The USB Full-Speed device interface requires an external 1.5 k pull-up and integrates a dedicated 48 MHz PLL. Architecturally, the STM32F103VBH7 uses a multi-AHB bus matrix that allows the DMA controller, CPU, and peripherals to operate in parallel without contention. The NVIC (Nested Vectored Interrupt Controller) accepts up to 43 maskable interrupt sources with 16 priority levels, enabling deterministic response time for time-critical applications such as USB isochronous transfers and motor PWM. A 7-channel DMA controller supports peripherals including the ADCs, SPIs, I2Cs, USARTs, and timers, offloading memory copies from the CPU and improving throughput. Typical applications include industrial motor control (BLDC, PMSM, and stepper drivers), USB HID peripherals (mice, keyboards, custom input devices), CAN-bus nodes for vehicle and industrial networks, point-of-sale terminals, and HVAC controllers. The 72 MHz speed and USB+CAN combination make it a frequent choice for gateways and protocol converters bridging CAN and USB or CAN and Ethernet-via-SPI. When designing with the LFBGA-100 package, ensure 4-layer PCB stack-up with controlled-impedance routing for USB DP/DM, since the 90-ohm differential pair must meet USB 2.0 Full-Speed signalling. Decouple each VDD/VSS pair with a 100 nF X7R ceramic placed within 3 mm of the ball, and add a 4.7 uF bulk capacitor near the regulator input. Configure unused I/O as analog inputs (high-impedance) to minimize quiescent current in Stop mode. This page aggregates distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

USD $5.42 在庫あり
STM32F103VBT6 - 72MHz Cortex-M3 MCU 128KB Flash LQFP-100 | ST
STM32F103VBT6

STM32F103VBT6 - 72MHz Cortex-M3 MCU 128KB Flash LQFP-100 | ST

The STMicroelectronics STM32F103VBT6 is a 32-bit medium-density performance line ARM Cortex-M3 microcontroller running at 72 MHz with 128 KB Flash and 20 KB SRAM, housed in a 100-pin LQFP (14x14 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die, forming the lowest level of the embedded systems hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor device. The STM32F1 series is built on the ARM Cortex-M3 architecture, which delivers 90 DMIPS at 1.25 DMIPS/MHz with single-cycle multiply and hardware division, making it one of the most widely adopted 32-bit MCU platforms in industrial and consumer electronics. Key features of the STM32F103VBT6 include seven timers (three general-purpose 16-bit timers plus one advanced PWM motor-control timer), two 12-bit ADCs with up to 16 external channels, and nine communication interfaces: five USART/UARTs, two I2C, two SPI, plus USB 2.0 full-speed device and CAN 2.0B. The 43-maskable interrupt nested vectored interrupt controller enables deterministic real-time response. Technically, the device operates from a 2.0 V to 3.6 V supply with a robust power architecture including POR/PDR, programmable voltage detector, and low-power run, sleep, stop, and standby modes. The Flash accelerator allows the CPU to achieve near zero-wait-state execution at 72 MHz. DMA controller support offloads data transfers between peripherals and memory. Typical applications include industrial motor control, PLC I/O modules, communication gateways using USB or CAN, medical handheld instruments, and consumer appliances. The combination of a PWM motor-control timer and dual ADC makes it a classic choice for three-phase inverter control. For design, note that GPIO output drive and 5 V tolerance rules differ per pin group; consult the datasheet pin definition table before connecting 5 V logic. Decouple VDD/VDDA pins with 100 nF ceramics placed close to each supply pair. This page synthesizes distributor pricing, drop-in alternatives including GD32F103 and APM32F103 cross-references, and practical design notes not found in the manufacturer datasheet.

USD $3.33 在庫あり
STM32F103VBT7 - 72MHz Cortex-M3 128KB MCU | STMicroelectronics
STM32F103VBT7

STM32F103VBT7 - 72MHz Cortex-M3 128KB MCU | STMicroelectronics

The STMicroelectronics STM32F103VBT7 is a 32-bit ARM Cortex-M3 microcontroller with a maximum 72 MHz operating frequency, 128 KB of Flash memory, and a 100-pin LQFP package measuring 14 mm by 14 mm. It belongs to the STM32F1 performance-line family and combines an embedded processor, memory, timers, analog conversion, and communication peripherals in one device. According to the verified manufacturer-linked data, the part includes USB, CAN, seven timers, two ADCs, and nine communication interfaces. A microcontroller is a programmable integrated circuit used as the central control element of an embedded system. This STM32 MCU follows the ARM Cortex-M3 real-time processor architecture and provides general-purpose I/O, serial communication, analog measurement, timing, and control functions. Its 32-bit architecture supports control workloads requiring more arithmetic capability than an 8- or 16-bit microcontroller, while its integrated peripherals reduce the need for separate interface chips. The STM32F103VBT7 combines a maximum CPU frequency of 72 MHz with 128 KB of programmable Flash. Other verified headline features include USB and CAN connectivity, two analog-to-digital converters, seven 16-bit timers, and nine communication interfaces. These resources make the device suitable for connected industrial controllers, USB peripherals, CAN nodes, data acquisition units, and compact embedded control systems. The Cortex-M3 core is designed for efficient embedded instruction execution and supports single-cycle multiplication and hardware division according to the retrieved technical summary. A maximum frequency of 1.25 DMIPS/MHz is stated at zero-wait-state memory access in the same summary. Designers must still select suitable clock, reset, boot, and memory-support circuitry according to the complete manufacturer documentation before finalizing an embedded design. Typical uses include USB-connected data loggers, CAN-based industrial modules, motor and motion controllers, sensor acquisition equipment, instrumentation, and CAN-to-UPS network bridges. The combination of USB, CAN, multiple timers, and dual ADC resources allows several communications and control functions to share one controller. Engineers should prioritize peripheral-pin availability and package routing over processor headline performance when assigning board functions. A critical design consideration is validating all pin multiplexing, alternate-function assignments, and peripheral dependencies against the manufacturer datasheet. The LQFP package exposes many signals, but simultaneous peripheral use may constrain I/O assignment. Board design should also provide stable power, decoupling, clock routing, a compatible programming interface, and a boot configuration appropriate for the intended firmware. This page combines verified distributor specifications, source links, application engineering guidance, and candidate compatibility information. It also distinguishes confirmed source data from parameters requiring additional verification, helping engineers move from part identification to design review without treating unverified details as guaranteed specifications.

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STM32F103VCT6 - 256KB Flash Cortex-M3 MCU 72MHz | ST
STM32F103VCT6

STM32F103VCT6 - 256KB Flash Cortex-M3 MCU 72MHz | ST

The STMicroelectronics STM32F103VCT6 is a 32-bit ARM Cortex-M3 microcontroller running at up to 72 MHz with 256 KB Flash and 48 KB SRAM, housed in a 100-pin LQFP (14x14 mm) package. What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals to govern a specific embedded operation. The STM32F103 series sits within the broader hierarchy of 32-bit Flash MCUs based on the Arm Cortex-M processor family and is one of the most widely deployed general-purpose MCU lines in industrial control, consumer electronics, and IoT devices. Key features include three 12-bit ADCs with up to 21 channels, two 12-bit DACs, and a rich communication set: three USARTs, two I2C, three SPI, one USB 2.0 full-speed device, one CAN 2.0B, and one SDIO interface. Advanced timers support PWM generation and motor control, while a 12-channel DMA controller offloads data movement from the CPU. The Cortex-M3 core executes the Thumb-2 instruction set with a hardware divide unit, delivering strong code density and deterministic interrupt handling through the nested vectored interrupt controller (NVIC). Debugging is supported via both JTAG and serial wire debug (SWD). The device operates from a 2.0 V to 3.6 V supply over an industrial -40C to +85C temperature range, with a real-time clock and low-power sleep, stop, and standby modes for battery-sensitive designs. Typical applications include motor control (advanced timers generate PWM while ADCs sample current feedback), industrial automation PLCs, and USB/CAN communication nodes in metering and gateways. Design consideration: configure BOOT0 correctly for the boot source and decouple every VDD/VSS pair with 100 nF capacitors; connect VDDA to a clean filtered analog supply for full ADC accuracy. This page adds value beyond the datasheet with verified drop-in alternatives, distributor pricing, and practical design notes.

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STM32F103VDT6 - 32-bit ARM Cortex-M3 MCU, 384KB Flash | STMicroelectronics
STM32F103VDT6

STM32F103VDT6 - 32-bit ARM Cortex-M3 MCU, 384KB Flash | STMicroelectronics

The STM32F103VDT6 is a high-performance 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M3 core running at up to 72 MHz. It features 384 KB of Flash memory and 64 KB of SRAM, making it suitable for a wide range of embedded applications. The device is housed in a 100-pin LQFP package (LQFP100) and operates over a temperature range of -40°C to +85°C. An ARM Cortex-M3 microcontroller is a 32-bit RISC processor designed for embedded systems, offering a balance of performance, power efficiency, and rich peripheral integration. It is part of the ARM Cortex-M family, which is widely used in industrial control, consumer electronics, and IoT devices. The Cortex-M3 core includes a hardware multiply and divide unit, Nested Vectored Interrupt Controller (NVIC), and optional Memory Protection Unit (MPU), enabling deterministic and efficient real-time processing. Key features of the STM32F103VDT6 include a 72 MHz CPU with 1.25 DMIPS/MHz, 384 KB Flash, 64 KB SRAM, and a comprehensive set of peripherals: three 12-bit ADCs, four general-purpose 16-bit timers, two advanced-control timers, multiple communication interfaces (USART, SPI, I2C, CAN, USB), and a DMA controller. The device also includes a real-time clock (RTC), a CRC calculation unit, and a serial wire debug (SWD) interface. The STM32F103VDT6 is built on a 0.13 µm embedded Flash process, providing a good balance of performance and power consumption. It supports a wide supply voltage range of 2.0V to 3.6V, with multiple low-power modes (Sleep, Stop, Standby) to optimize energy usage. The rich peripheral set and large memory make it a versatile choice for complex applications. Typical applications include industrial control systems, motor drives, PLCs, medical devices, consumer electronics, and IoT gateways. The device's CAN interface and multiple timers make it particularly well-suited for automotive and industrial networking applications. When designing with this MCU, ensure proper decoupling of the power supply pins and a stable clock source. The internal RC oscillator can be used for basic operation, but an external crystal is recommended for applications requiring precise timing. The SWD interface should be brought out for programming and debugging.

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STM32F103VEH6 - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics
STM32F103VEH6

STM32F103VEH6 - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103VEH6 is a 32-bit ARM Cortex-M3 microcontroller operating at up to 72 MHz, with 512 KB of Flash memory and USB, CAN, 11 timers, 3 ADCs, and 13 communication interfaces. The STM32F103VEH6 is supplied in a 100-pin LQFP package for high-density embedded control systems. Its combination of processing performance, analog peripherals, connectivity, and extensive I/O makes it suitable for industrial, communications, consumer, and mixed-signal applications where a single MCU can replace multiple discrete components. According to the manufacturer datasheet search result, the device belongs to the STM32F1 high-density performance line and supports 256 KB to 512 KB Flash configurations across the family. The part combines a 32-bit Cortex-M3 core with extensive serial peripherals and timing resources for real-time control. USB and CAN connectivity are especially useful for service interfaces, industrial links, diagnostics, and embedded network bridges. The 512 KB Flash capacity provides more room for application code, protocol stacks, bootloaders, and configuration data than smaller STM32F103 variants, while the 100-pin package exposes a broad set of GPIO and peripheral connections. Typical deployments include USB-to-serial bridges, industrial controllers, CAN nodes, sensor acquisition systems, motor-control platforms, and compact automation equipment. Designers should confirm the exact pin multiplexing, clock configuration, peripheral availability, and package dimensions against the official STM32F103xC, STM32F103xD, and STM32F103xE datasheet before final PCB release. This page combines manufacturer and distributor references, structured specifications, sourcing information, and design guidance.

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STM32F103VET6 - 512KB Flash 72MHz Cortex-M3 MCU | ST
STM32F103VET6

STM32F103VET6 - 512KB Flash 72MHz Cortex-M3 MCU | ST

The STMicroelectronics STM32F103VET6 is a high-density performance line 32-bit microcontroller based on the ARM Cortex-M3 RISC core running at up to 72 MHz, with 512 KB of Flash memory, 64 KB of SRAM, and a 100-pin LQFP (14x14 mm) surface-mount package. A microcontroller (MCU) is a compact integrated circuit that governs a specific operation in an embedded system by combining a processor core, memory, and programmable peripherals on one chip. The STM32F103VET6 sits in the embedded processing hierarchy as: MCU -> STM32F1 series -> STM32 family of ARM Cortex-M microcontrollers -> semiconductor device. It serves as the central control unit in industrial automation, motor control, and consumer electronics. Key features include the 72 MHz Cortex-M3 core delivering 1.25 DMIPS/MHz (Dhrystone 2.1), 512 KB Flash, 64 KB SRAM, and a rich peripheral set: three 12-bit ADCs, four general-purpose 16-bit timers plus two advanced PWM timers, and standard/advanced communication interfaces including USART, SPI, I2C, USB, CAN, and SDIO. Up to 80 GPIO lines, a DMA controller, and an RTC round out the integration. Technically, the high-density STM32F103xE devices integrate a Nested Vectored Interrupt Controller (NVIC) for deterministic interrupt latency, zero-wait-state Flash execution with prefetch buffer at 72 MHz, SWD and JTAG debug support, and multiple low-power modes (Sleep, Stop, Standby) for battery-sensitive designs. The 2.0V to 3.6V supply range supports 3.3V systems with 5V-tolerant IOs. Typical applications include industrial control systems, motor drives and inverters, medical instrumentation, POS/printing equipment, and IoT gateways where CAN, USB, and multiple ADC channels are required on a single chip. For design, provide 100 nF decoupling on each VDD/VSS pair plus a 4.7 uF bulk capacitor, keep the VCAP pins per datasheet guidance, and use the NRST pin with an external reset circuit for reliable in-field programming via SWD. This page synthesizes distributor pricing, drop-in alternatives (including GD32/CH32/APM32 cross-brand equivalents), and practical design notes not found in the STMicroelectronics datasheet.

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STM32F103VET7 - 72MHz 512KB Cortex-M3 MCU | STMicroelectronics
STM32F103VET7

STM32F103VET7 - 72MHz 512KB Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103VET7 is a high-density 32-bit ARM Cortex-M3 microcontroller with a 72 MHz operating frequency, 512 KB of Flash memory, and a 100-LQFP package measuring 14 mm by 14 mm. It combines an RISC core with USB, CAN, 11 timers, three ADCs, and 13 communication interfaces for embedded control systems. A microcontroller is a programmable semiconductor system that executes firmware, reads sensor data, controls outputs, and coordinates connected peripherals. The STM32F103VET7 belongs to the STM32F1 performance-line family and provides substantially more integration than a basic eight- or sixteen-bit controller. Its Cortex-M3 architecture supports efficient interrupt-driven control, while Flash storage provides room for application code, configuration data, and boot logic. The verified feature set includes 512 KB Flash, 13 communication interfaces, three ADCs, 11 timers, USB, and CAN. These resources make the device suitable for industrial controllers, USB-connected instruments, CAN network nodes, and motor-control systems. Its 72 MHz maximum operating frequency provides computational headroom for protocol handling, signal sampling, and supervisory control tasks. The STM32F103xE high-density device family uses an Arm Cortex-M3 RISC core and combines communication, analog, and timing resources in one package. USB and CAN support can reduce the need for separate interface controllers, while the ADC and timer blocks can acquire and process external signals. Exact peripheral ratings, voltage limits, memory-map details, and electrical characteristics must be confirmed in the manufacturer datasheet. Typical designs include USB data-acquisition equipment, CAN-based industrial modules, motor-control boards, communication gateways, and compact embedded instruments. Firmware reuse is practical within appropriately qualified STM32 variants, but clock, peripheral, bootloader, supply, and qualification requirements still need verification before substitution. When laying out the PCB, preserve the manufacturer's 100-LQFP land pattern, power decoupling, clock routing, reset design, and exposed thermal requirements. The LQFP package provides accessible leads for inspection and rework, while the 14 mm by 14 mm body supports compact industrial controller designs. This page consolidates manufacturer specifications, distributor availability, sourcing data, and replacement constraints into an engineering reference. It also distinguishes verified facts from missing electrical details so designers can assess fit before beginning layout or firmware deployment.

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STM32F103VGT7 - 72MHz Cortex-M3 MCU 1MB Flash 100-LQFP | ST
STM32F103VGT7

STM32F103VGT7 - 72MHz Cortex-M3 MCU 1MB Flash 100-LQFP | ST

The STMicroelectronics STM32F103VGT7 is a 32-bit ARM Cortex-M3 microcontroller from ST's XL-density performance line of the STM32F1 family, operating at up to 72 MHz with 1 MB of embedded Flash and 96 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) package. The device integrates high-speed embedded memories and an extensive set of enhanced I/O peripherals, including USB full-speed, CAN 2.0B, three SPIs, two I2S, two I2C, three USARTs, an SDIO interface and a 12-bit ADC with up to 1 MSPS sampling on multiple channels. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory and programmable I/O peripherals onto one die. Within the broader IC taxonomy, an MCU belongs to the microprocessor IC family, which sits above microcontrollers but below microprocessors in computational capability. The Cortex-M3 core inside this STM32 belongs to ARM's Cortex-M profile, designed for deterministic real-time embedded workloads; the Cortex-M3 line is one rung below Cortex-M4 in DSP capability and one rung above Cortex-M0+ in raw compute throughput. Key features of the STM32F103VGT7 include a 72 MHz maximum CPU clock with single-cycle multiply, two 12-bit ADCs (1 µs conversion), seven general-purpose 16-bit timers plus one PWM timer for motor control, three USARTs, two UARTs, two SPIs and one I2C, an FS-USB device, a CAN 2.0B interface, an SDIO interface, an FSMC for external memory, 80 GPIO lines and a -40 °C to +105 °C operating range. The XL-density die provides the largest Flash and SRAM footprint of the STM32F1 series, enabling sophisticated firmware with rich connectivity stacks. The architecture pairs a Harvard-bus Cortex-M3 with a multi-AHB bus matrix that lets CPU, DMA and peripherals operate concurrently with deterministic bus latency. The 72 MHz core drives a 1.25 DMIPS/MHz figure (1.25 DMIPS/MHz), yielding 90 DMIPS total performance. The chip supports JTAG and SWD debug, an embedded Cortex-M3 trace macrocell (ETM), and boundary-scan for production test. Typical uses include motor drives (BLDC, stepper), USB HID/COM bridges, industrial PLCs, CNC controllers, CNC and 3D-printer mainboards, data-acquisition modules, CAN-bus nodes, RFID readers and point-of-sale terminals. Designers favor the part for its mature firmware ecosystem (HAL, LL, StdPeriph), reference schematics and broad ST Nucleo board support. When laying out, place the VDD/VSS/VBAT/VDDA pins with 100 nF decoupling within 3 mm of each power pin, plus a 1 µF bulk on VDDA; keep the HSE crystal traces short and guarded to avoid EMI on USB. Make sure the BOOT0 strap on the part is hardware-defaulted for Flash boot when designing for field upgrades. This page consolidates distributor pricing (as of 2026-10-21), pin-to-pin same-brand and cross-brand drop-in alternatives (GD32F103 series) and practical design notes not found in the manufacturer datasheet.

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STM32F103Z - 72MHz Cortex-M3 MCU, 144-LQFP | STMicroelectronics
STM32F103Z

STM32F103Z - 72MHz Cortex-M3 MCU, 144-LQFP | STMicroelectronics

The STMicroelectronics STM32F103Z is a high-density ARM Cortex-M3 32-bit microcontroller in the STM32F1 performance line, available in a 144-pin LQFP package. The Z-suffix family includes the STM32F103ZC (256 KB Flash), ZD (384 KB Flash), and ZE (512 KB Flash) variants, all running up to 72 MHz CPU clock and offering up to 1 MB of Flash in the broader F1 portfolio. This MCU integrates 64 KB SRAM, USB full-speed, CAN, multiple USART/SPI/I2C peripherals, a 12-bit ADC, and a 16-bit PWM timer block, making it a versatile choice for embedded applications. What is an ARM Cortex-M3 microcontroller? A Cortex-M3 MCU is a 32-bit processor core designed by ARM specifically for embedded deterministic real-time control. Within ST's product hierarchy, the Cortex-M3 sits between the Cortex-M0 (lowest cost/performance) and Cortex-M4 (DSP/FPU). The STM32F103Z belongs to ST's mainstream performance line, balancing cost, peripheral richness, and the 72 MHz speed grade against newer STM32F4/F7/H7 families that scale to 180-480 MHz. Key features include 72 MHz ARM Cortex-M3 core with single-cycle multiplication and hardware division, 512 KB Flash (ZE variant) with zero-wait-state execution, and 64 KB SRAM. The device supports 1.25 DMIPS/MHz performance, USB 2.0 full-speed with on-chip PHY, CAN 2.0B, three 12-bit ADCs with 1 µs conversion time, four 16-bit timers, and up to 112 general-purpose I/O pins. The 144-LQFP package provides extensive connectivity while remaining hand-solderable. Architecturally, the STM32F103Z uses a multi-AHB bus matrix that allows simultaneous CPU and DMA access to peripherals and memory, minimizing wait states. The integrated voltage regulator supports 2.0-3.6 V single-supply operation with internal 1.8 V core LDO. The 12-bit ADC group can be triggered by timers for synchronized motor-control sampling. Typical applications include industrial control and human-machine interfaces (HMIs), motor drives and inverters, USB peripherals and CAN-bus nodes, point-of-sale terminals, GPS data loggers, and barcode scanners. The wide peripheral set and large pin count also make it popular as a main controller for printers, 3D-printer boards, and mid-range IoT gateways. When designing with this MCU, prioritize decoupling: place 100 nF ceramic capacitors on every VDD/VDDA pin within 5 mm of the lead, and add a 4.7 µF bulk capacitor. For noise-critical ADC sampling, use a separate ferrite-isolated analog supply and enable the internal voltage-reference buffer. This page synthesizes pricing tiers, drop-in alternatives such as GD32F103, and PCB layout guidance beyond what is in the ST datasheet.

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STM32F103Z8T6 - 72MHz Cortex-M3 MCU 64KB LQFP-144 | STMicroelectronics
STM32F103Z8T6

STM32F103Z8T6 - 72MHz Cortex-M3 MCU 64KB LQFP-144 | STMicroelectronics

The STMicroelectronics STM32F103Z8T6 is a 32-bit ARM Cortex-M3 microcontroller running at 72 MHz with 64 KB Flash and 20 KB SRAM, housed in a 144-pin LQFP (T6, LQFP-144) package. It belongs to the medium-density performance line of the STM32F103 series and integrates USB 2.0 full-speed, CAN 2.0B, multiple USARTs, SPI, I2C, and dual 12-bit ADCs. A microcontroller (MCU) is a single-chip computer combining a processor core, memory, and peripherals, sitting at the lowest level of the embedded-system hierarchy: MCU -> embedded processor -> system-on-chip. The STM32F1 family was one of the first mainstream ARM Cortex-M families and remains one of the most widely deployed MCU platforms in industrial, consumer, and communication equipment worldwide. Key features of the STM32F103Z8T6 include the 72 MHz Cortex-M3 core with fast interrupt handling, 64 KB (64K x 8) Flash program memory with ECC-style write protection, 20 KB SRAM, two 12-bit 1 us ADCs, seven 16-bit timers including advanced motor-control PWM timers, and a rich I/O count enabled by the 144-pin package with up to 112 GPIOs. Per the ST STM32F103x8/B datasheet, the device operates from a 2.0 V to 3.6 V supply across -40C to +85C (temperature grade 6). Technically, the medium-density STM32F103 uses an ARMv7-M architecture with a 3-stage pipeline and Harvard bus structure, plus an embedded Flash accelerator that keeps performance close to zero-wait-state execution at 72 MHz. DMA over the bus matrix offloads data movement for ADC, USART, SPI, and I2C, minimizing CPU overhead in real-time control loops. Typical applications include industrial control and PLC I/O modules, motor control (BLDC/FOC via the advanced timers and dual ADC), communication and gateway boards using CAN and multiple UARTs, consumer appliances, and low-cost development platforms such as the well-known Blue Pill family (which uses the 48-pin sibling STM32F103C8T6). When designing with this part, verify Flash wait-state settings at 72 MHz (2 wait states), respect the 3.6 V absolute maximum on VDD, and remember the famous revision-Y errata affecting some early USB implementations - consult errata sheet ES096 for details. This page synthesizes distributor pricing context, verified drop-in alternatives (including GigaDevice GD32F103), and practical design notes not found in the manufacturer datasheet alone.

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STM32F103ZCT6 - 72MHz Cortex-M3 256KB MCU | STMicroelectronics
STM32F103ZCT6

STM32F103ZCT6 - 72MHz Cortex-M3 256KB MCU | STMicroelectronics

The STMicroelectronics STM32F103ZCT6 is a high-density performance line 32-bit microcontroller with an ARM Cortex-M3 core running at 72 MHz, 256 KB Flash and 48 KB SRAM, housed in a 144-pin LQFP (20x20 mm) package. A microcontroller (MCU) is a single-chip embedded computer that integrates a processor core, program memory, data memory, and programmable peripherals. Within the voltage regulator-like hierarchy of embedded silicon, the MCU sits at the system level: microcontroller -> ARM Cortex-M processor -> STM32 family -> STM32F1 high-density performance line. The STM32F103 series is one of the most widely adopted Cortex-M3 families in industrial and consumer electronics because it pairs deterministic real-time performance with a rich peripheral set and long-term availability. Key features of the STM32F103ZCT6 include the 72 MHz Cortex-M3 core with single-cycle multiply and hardware divide, 256 KB of embedded Flash, 48 KB SRAM, and up to 13 communication interfaces. Peripherals include three 12-bit ADCs, 11 timers, USB 2.0 full-speed device, CAN 2.0B, and a DMA controller. These resources allow a single chip to handle motor control loops, protocol conversion, and USB connectivity simultaneously. Technically, the device is fabricated on a 130 nm process and includes a Nested Vectored Interrupt Controller (NVIC) for low-latency interrupt handling. Both JTAG and Serial Wire Debug (SWD) interfaces are supported, and the embedded bootloader enables Flash programming over USART, USB, or CAN without a dedicated programmer. The core operates from a 2.0V to 3.6V supply across a -40C to +85C temperature range. Typical applications include industrial control systems, motor drives, medical devices, consumer electronics, and IoT gateways, where multiple communication interfaces and three ADCs allow sensor acquisition, actuation, and networking on one device. A key design consideration: decouple every VDD/VDDA pin with 100 nF capacitors placed as close as possible to the pins, configure BOOT0 correctly for the boot mode, and fit an external reset network on NRST for reliable startup. This page adds distributor-sourced availability data, drop-in alternatives including GigaDevice GD32F103 cross-references, and practical design notes not found in the STMicroelectronics datasheet alone.

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STM32F103ZCT7 - 72MHz 256KB Cortex-M3 MCU | STMicroelectronics
STM32F103ZCT7

STM32F103ZCT7 - 72MHz 256KB Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103ZCT7 is a 32-bit ARM Cortex-M3 microcontroller operating up to 72 MHz with 256 KB of Flash memory in a 144-pin LQFP package. It is designed for high-density embedded systems that need broad peripheral connectivity, deterministic control, and substantial on-chip program memory. What is an ARM Cortex-M3 microcontroller? An MCU combines a processor core, memory, and peripherals on one integrated circuit. The Cortex-M3 core provides a 32-bit instruction set and RISC-oriented embedded architecture, while the STM32F103 family integrates communication, timing, analog, and digital-control resources for applications spanning industrial equipment, communications, and mixed-signal control. The STM32F103ZCT7 combines 72 MHz operation, 256 KB Flash, and a high pin count in one device. Verified distributor material also identifies the part as a 144-pin MCU and highlights USB, CAN, timer, ADC, and communication-interface resources. These peripherals make it suitable for systems combining control logic with protocol handling and analog measurement. The STM32F103ZCT7 belongs to the STM32F103 high-density performance line. Its architecture supports connected embedded designs that need more GPIO and peripheral capacity than smaller STM32 packages. The 144-pin LQFP format provides extensive external connectivity, while the Cortex-M3 platform supports established embedded software tooling and real-time control workloads. Typical applications include industrial controllers, USB-connected peripherals, CAN-based equipment, data-acquisition systems, timer-driven control platforms, and embedded communications equipment. In these systems, the microcontroller can coordinate sensors, actuators, protocol transceivers, and human-interface or debug connections through its broad pin and peripheral set. A key design consideration is supply and decoupling planning. The verified data identifies 2.5 V and 3.3 V device variants, but detailed voltage ranges, pin-level electrical limits, clock configuration, memory map, and exact peripheral ratings were not supplied here and should be confirmed in the manufacturer datasheet before layout or firmware release. Firmware migration also requires validation of startup files, peripheral behavior, timing, and toolchain support. This page combines verified distributor specifications, practical application context, package constraints, and sourcing guidance for engineers evaluating the STM32F103ZCT7. It is designed to make technical comparisons faster while clearly separating confirmed data from parameters that require datasheet verification.

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STM32F103ZEH6 - 72MHz Cortex-M3 512KB MCU | STMicroelectronics
STM32F103ZEH6

STM32F103ZEH6 - 72MHz Cortex-M3 512KB MCU | STMicroelectronics

The STMicroelectronics STM32F103ZEH6 is a high-performance 32-bit ARM Cortex-M3 microcontroller operating at 72 MHz, with 512 KB of Flash memory and a 144-pin LQFP package. It belongs to the STM32F1 performance-line family and integrates USB, CAN, 11 timers, three ADCs, and 13 communication interfaces. These headline resources make it suitable for connected industrial controls, embedded data acquisition, communications gateways, and multi-protocol control systems. A microcontroller is a programmable system-on-chip that executes firmware, reads sensors, controls actuators, and manages digital interfaces. The STM32F103ZEH6 combines an ARM Cortex-M3 RISC core with Flash program memory, SRAM, direct-memory-access support, and multiple peripherals. Within the hierarchy, it is an embedded microcontroller, a 32-bit MCU, and a member of the STM32 family of ARM-based semiconductor devices. Verified manufacturer information identifies a maximum CPU frequency of 72 MHz, 512 KB of Flash, USB, CAN, 11 timers, three ADCs, and 13 communication interfaces. Its broad peripheral mix allows several communications protocols and time-sensitive functions to coexist without external expansion devices. The high pin count also provides more externally accessible GPIO and peripheral connections than smaller STM32 packages. The ARM Cortex-M3 core provides the instruction set and processing foundation, while the STM32 peripherals handle timers, analog conversion, serial communications, USB, and CAN. Multiple timers support periodic generation, input capture, encoder-related functions, and motor-control workflows. Three ADC channels groups permit analog measurements, while communication interfaces reduce demand for discrete protocol controllers. Typical applications include industrial automation equipment, CAN-connected control panels, USB data loggers, communications hubs, motor controllers, and instrumentation gateways. The STM32F103ZEH6 is especially appropriate when firmware requires substantial Flash space and a broad set of embedded peripherals while retaining the established STM32F103 software ecosystem. Designers should verify the complete pin assignment, power supply requirements, clock configuration, and peripheral multiplexing against the manufacturer datasheet before layout. A 144-pin LQFP package also demands careful escape routing and thermal-aware placement. Published pricing and stock conditions should be checked with authorized distributors because availability can change independently of technical suitability. This page consolidates manufacturer specifications, distributor references, documented same-family alternatives, and practical procurement guidance. It also distinguishes verified data from unprovided parameters so engineers can assess fit without relying on assumptions.

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