Microcontrollers

Products (20,000+)

STM32G431K8T6 - 170MHz Arm Cortex-M4F MCU | STMicroelectronics
STM32G431K8T6

STM32G431K8T6 - 170MHz Arm Cortex-M4F MCU | STMicroelectronics

The STM32G431K8T6 is a high-performance 32-bit microcontroller from STMicroelectronics, featuring an Arm Cortex-M4F core with FPU and DSP instructions running at up to 170 MHz. It is part of the STM32G4 series, designed for advanced motor control, digital power conversion, and industrial applications. The device integrates a rich set of analog peripherals, including a 12-bit ADC with hardware oversampling, a 12-bit DAC, and high-resolution timers, making it ideal for real-time control loops. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (Flash and RAM), and programmable input/output peripherals. The STM32G431K8T6 belongs to the STM32G4 family, which is optimized for mixed-signal control applications. In the hierarchy of embedded systems, it sits above simple 8-bit MCUs but below application processors, offering a balance of performance, power efficiency, and peripheral integration. Key features include a 128 KB Flash memory and 32 KB SRAM, a 170 MHz Cortex-M4F core with FPU, and a comprehensive set of communication interfaces (SPI, I2C, USART, FDCAN). The device also features a 12-bit ADC with up to 5 MSPS, a 12-bit DAC, and advanced timers with dead-time generation for motor control. Its operating voltage range is 1.71V to 3.6V, and it is available in a 32-pin LQFP package (LQFP32). The STM32G431K8T6 is built on a high-performance Arm Cortex-M4F core with a single-precision FPU, enabling efficient execution of complex control algorithms. It includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for deterministic interrupt handling. The device also supports a wide range of clock sources, including an internal 16 MHz RC oscillator and an external crystal, with a PLL for frequency multiplication. Typical applications include field-oriented control (FOC) of brushless DC motors, digital power supplies (buck, boost, and flyback converters), and industrial automation. Its high-resolution timers and fast ADC make it suitable for power conversion topologies requiring precise PWM generation and current sensing. The device also supports functional safety features, making it suitable for safety-critical applications. When designing with this MCU, ensure proper decoupling of the VDD pins with 100 nF capacitors and a bulk capacitor. The VDDA pin must be connected to a clean analog supply to maintain ADC accuracy. For motor control applications, use the high-resolution timer (HRTIM) for PWM generation and the ADC injected channels for synchronized current sampling.

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STM32G431KBT6 - 170MHz Cortex-M4F MCU, 128KB Flash, 32-LQFP | STMicroelectronics
STM32G431KBT6

STM32G431KBT6 - 170MHz Cortex-M4F MCU, 128KB Flash, 32-LQFP | STMicroelectronics

The STMicroelectronics STM32G431KBT6 is a mainstream 32-bit Arm Cortex-M4F microcontroller with FPU from the STM32G4 series, integrating 128 KB of Flash and 32 KB of SRAM, operating at up to 170 MHz with 213 DMIPS, and housed in a 32-pin LQFP (7x7 mm) package. According to the STMicroelectronics datasheet, the device delivers 4x 12-bit DAC channels (2 buffered 1 MSPS, 2 unbuffered 15 MSPS), high-resolution 16-bit sigma-delta ADCs with hardware oversampling, 4 ultra-fast rail-to-rail analog comparators, and 3 internal op-amps usable in PGA mode, all within the medium analog tier. An MCU (microcontroller unit) is a single-chip computer integrating a processor core, memory, and programmable peripherals. The Cortex-M4F is a Cortex-M4 core with single-precision floating-point unit and DSP extensions, sitting in Arm's mainstream 32-bit MCU hierarchy: Cortex-M0/M0+ (lowest power) -> Cortex-M3 (mainstream) -> Cortex-M4/M4F (DSP + FPU mainstream) -> Cortex-M7 (high performance). STM32G4 series parts extend the Cortex-M4 lineage with CORDIC math accelerator and FMAC filter math accelerator for trigonometric and DSP operations. Key features include 213 DMIPS / 469 CoreMark performance from the ART Accelerator enabling zero-wait-state Flash execution, an internal voltage reference buffer (VREFBUF), multiple timers including HRTIM advanced timer variants, and rich communication peripherals (USB Type-C Power Delivery capable, CAN-FD, I2C, SPI, USART/UART). Supply range is 1.71 V to 3.6 V with operating temperature from -40C to +85C (or +105C for industrial S variants). The architecture pairs an adaptive real-time accelerator with a multi-AHB bus matrix, delivering deterministic interrupt response and parallel DMA access. Math accelerator (CORDIC) handles sin/cos/atan2 in hardware for sensor-less motor control, and FMAC performs FIR/IIR filtering. Five 12-bit DACs, four comparators, and three op-amps form a complete analog front-end on chip. Typical applications include digital power conversion (SMPS, LLC, PFC), motor control (FOC for BLDC/PMSM), LED lighting drivers, solar micro-inverters, USB Type-C PD controllers, and industrial sensor hubs. The combination of math accelerator and high-resolution timer makes G431 particularly suited to digital control loops. When designing with this MCU, ensure VDDA/VREF+ decoupling is per datasheet recommendations (typically 100 nF + 1 uF) and configure BOOT0 correctly. The 32-LQFP (7x7 mm) package is footprint-compatible with STM32G441 and most STM32G0/STM32F4 series 32-pin variants, enabling migration paths. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a single-source reference for sourcing, selection, and implementation.

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STM32G431KBU3 - 170MHz Cortex-M4F MCU | STMicroelectronics
STM32G431KBU3

STM32G431KBU3 - 170MHz Cortex-M4F MCU | STMicroelectronics

The STMicroelectronics STM32G431KBU3 is a 32-bit Arm Cortex-M4F microcontroller operating up to 170 MHz, with 128 KB of Flash memory, 32 KB of SRAM, and a 32-pin 5 x 5 mm UFQFPN package. It combines a floating-point processor core with embedded analog and motor-control resources for compact industrial control systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and interface blocks on one device. The STM32G431KBU3 belongs to the STM32G4 series, whose Cortex-M4F architecture combines real-time control capability with digital signal processing. Its hierarchy extends from an Arm Cortex-M4F core to a 32-bit embedded microcontroller and then to a general-purpose semiconductor platform. The verified specifications identify a maximum operating frequency of 170 MHz, 128 KB of Flash, 32 KB of SRAM, and performance of up to 213 DMIPS. The integrated floating-point unit accelerates control calculations and digital signal processing. A 32-pin surface-mount package also supports space-constrained products requiring mixed analog, communication, and real-time control functions. The STM32G4 architecture is designed for applications where control responsiveness and peripheral integration matter. Its Cortex-M4F core can execute floating-point instructions without software emulation, while the on-chip SRAM provides working memory for control loops and communication stacks. The 5 x 5 mm UFQFPN package reduces board area but requires careful thermal, pad, and assembly-layout planning. Typical uses include digital power conversion, motor-control modules, industrial sensor controllers, condition-monitoring equipment, compact industrial automation nodes, and embedded measurement instruments. The 170 MHz processing rate is especially useful when combining a fast control loop with communications or diagnostic routines in one device. When designing around the STM32G431KBU3, confirm the exact pin functions, exposed-pad connection, decoupling requirements, clock configuration, and peripheral routing against the manufacturer datasheet. Do not infer pin compatibility from package dimensions alone, especially when comparing different STM32G431 density or temperature-grade variants. This product page consolidates verified manufacturer and distributor information, practical application guidance, package considerations, and same-family drop-in candidates. It also distinguishes documented STM32G431 options from unsupported cross-brand substitutions so procurement and engineering reviews can focus on technically defensible choices.

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STM32G431KBU6 - 170MHz Cortex-M4F MCU | STMicroelectronics
STM32G431KBU6

STM32G431KBU6 - 170MHz Cortex-M4F MCU | STMicroelectronics

STMicroelectronics STM32G431KBU6 is a 32-bit Arm Cortex-M4F microcontroller operating at up to 170 MHz, with 128 KB of Flash memory and 32 KB of SRAM in a compact 32-pin UFQFPN package measuring 5 x 5 mm. The Cortex-M4F core combines a 32-bit RISC architecture with floating-point instructions, while the stated performance of 213 DMIPS supports responsive control, signal-processing, and embedded automation workloads. A microcontroller is a programmable system-on-chip that integrates a processor core, nonvolatile program memory, volatile working memory, and peripherals into one compact device. The STM32G4 product family combines an Arm Cortex-M4 processor with mixed-signal and control capabilities suited to industrial equipment, motor-control systems, power conversion, communications, and embedded consumer products. The UFQFPN package also supports surface-mount assembly on space-constrained boards. The verified product information identifies the STM32G431KBU6 as a 32-bit Cortex-M4F device with 170 MHz maximum operating frequency, 128 KB Flash, and 32 KB SRAM. Its 213 DMIPS figure reflects the high-performance positioning of the Cortex-M4 core. The 12-bit conversion feature shown in distributor data further indicates suitability for systems that require embedded analog measurement alongside general-purpose digital control. The 32-pin UFQFPN package is a key implementation constraint. Compared with larger leaded packages, it reduces board area while requiring careful PCB layout, stencil design, and reflow control. The 5 x 5 mm footprint is particularly useful in compact motor controllers, digital power modules, industrial sensing nodes, and communication equipment where connector placement and component density limit the available routing area. Typical applications include digital motor control, power-supply monitoring, industrial sensor nodes, compact instrumentation, and communications-enabled embedded equipment. The combination of 170 MHz processing performance, 128 KB Flash, and 32 KB SRAM allows firmware to combine control loops with protocol handling and data acquisition. Designers should confirm the exact peripheral assignments, electrical limits, pin multiplexing, and clock configuration required by the selected board before release. A critical design consideration is PCB compatibility. The UFQFPN package provides fine-pitch leads and an exposed thermal area, so the land pattern, solder mask, copper thermal pad, and assembly process must follow the manufacturer package drawing. Firmware should also use the STM32G431KB device definition matching the exact ordering code rather than relying on a generic STM32G4 target. This product page consolidates the verified 170 MHz, 128 KB Flash, 32 KB SRAM, package, availability, and purchase information while distinguishing documented facts from unverified electrical details. It also identifies the absence of a substantiated five-part drop-in replacement set in the supplied cross-reference data, avoiding unsupported substitute recommendations.

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STM32G431R6T6 - 170MHz Cortex-M4 32KB MCU | STMicroelectronics
STM32G431R6T6

STM32G431R6T6 - 170MHz Cortex-M4 32KB MCU | STMicroelectronics

The STMicroelectronics STM32G431R6T6 is a 32-bit Arm Cortex-M4 microcontroller operating at up to 170 MHz, with 32 KB of embedded Flash memory, in a 64-LQFP package measuring 10 x 10 mm. The STM32G431R6T6 combines a high-performance RISC core with 16-bit and 32-bit arithmetic capabilities and a compact 64-pin footprint for space-constrained embedded control systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The STM32G4 family belongs to the broader embedded-processing hierarchy: Arm Cortex-M4 microcontroller, embedded processor, system-on-chip, and semiconductor. This device supports general embedded applications where a compact package, deterministic control capability, and efficient firmware execution are important. The Cortex-M4 core includes floating-point hardware that can accelerate software routines involving real-number arithmetic without requiring a separate coprocessor. At up to 170 MHz, the processor provides a practical balance between computational throughput, power efficiency, and design complexity. Its 32 KB of Flash memory gives embedded firmware a defined nonvolatile storage area, while the integrated SRAM supports working memory, stack operations, and intermediate calculations. The STM32G431R6T6 belongs to the STM32G431x6 family, whose x6 density designation corresponds to the 32 KB Flash configuration identified for this ordering code. This distinction matters when comparing revisions: changing the density suffix can change Flash capacity and SRAM availability without necessarily preserving a direct software migration path. Firmware should therefore be checked against the exact device identifier and memory map before substitution. The 64-LQFP package provides 64 externally accessible pins, allowing the device to be used in conventional leaded PCB layouts while offering more I/O than smaller 32-pin and 48-pin packages. The 10 x 10 mm body size makes the STM32G431R6T6 appropriate for industrial controllers, sensor-interface modules, compact motor and power-control equipment, and communication-oriented embedded products where board area remains constrained. Design work should begin with the manufacturer's pin-description and alternate-function tables. Confirm every assigned pin, supply requirement, clock source, reset connection, and programming interface before layout release. Decoupling, grounding, and exposed signal routing also require careful PCB planning, particularly when analog measurement, communication, or timing-sensitive signals share the package. This page combines the confirmed Cortex-M4 core, 170 MHz operating frequency, 32 KB Flash configuration, and 64-LQFP package information with practical comparison and design guidance. It also distinguishes density variants that use the same mechanical package while requiring firmware and memory-map review before replacement.

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STM32G431RBI6 - 170MHz 128KB Cortex-M4F MCU | ST
STM32G431RBI6

STM32G431RBI6 - 170MHz 128KB Cortex-M4F MCU | ST

STMicroelectronics STM32G431RBI6 is a 32-bit ARM Cortex-M4F microcontroller with a 170 MHz maximum clock, 128 KB of Flash memory, and 32 KB of SRAM. The device provides up to 213 DMIPS, includes a math accelerator, and is packaged in a 64-UFBGA 5 x 5 mm package. Its combination of processing performance, compact footprint, and mixed-signal capability suits embedded control, sensor acquisition, industrial automation, and compact consumer equipment. A microcontroller is a programmable semiconductor that integrates a processor core, nonvolatile program memory, volatile data memory, peripherals, and communication interfaces on one integrated circuit. In the hierarchy of electronic components, the STM32G431RBI6 is an ARM Cortex-M4F microcontroller, a 32-bit embedded processor within the broader category of microcontrollers and semiconductors. Its floating-point unit supports efficient mathematical operations, while the math accelerator accelerates selected DSP-oriented calculations used in control and signal-processing workloads. The STM32G431RBI6 runs at 170 MHz and delivers up to 213 DMIPS. It provides 128 KB of Flash, organized as 128K x 8, for firmware storage and 32 KB of SRAM for working data. STMicroelectronics describes the device as offering medium analog integration, making it appropriate for designs that combine digital control with analog measurement or output functions. The 64-UFBGA package limits board area while exposing the required interface and power connections through a dense surface-mount footprint. The Cortex-M4F architecture combines a 32-bit ARM processor with single-precision floating-point support. This allows control algorithms, filtering, and signal calculations to execute without emulating every floating-point operation in software. The dedicated math accelerator further improves selected computational tasks, while 32 KB of SRAM supports working buffers and real-time control state. At 170 MHz, the processor provides a substantial performance increase over typical low-speed embedded-control devices while retaining the low-power operating characteristics expected of an Arm Cortex-M microcontroller. Typical uses include industrial sensor controllers, motor-control systems, compact data-acquisition units, building automation equipment, battery-powered instruments, and communications-enabled embedded products. The STM32G431RBI6 is particularly suitable when a design needs more processing capacity and analog integration than a basic 8-bit controller without moving to a high-end application processor. Its 5 x 5 mm package also supports space-constrained board layouts when careful escape routing and assembly process controls are applied. Designers should verify the complete pin configuration, supported voltage range, clock requirements, analog limits, and exposed-pad connection in the STMicroelectronics datasheet before layout release. Because a 64-UFBGA package has closely spaced pads, PCB trace widths, solder mask clearances, via strategy, and reflow-profile selection must be reviewed against the manufacturer’s board and package guidance. The exposed thermal and ground structure should be implemented according to the recommended land pattern rather than treated as an optional connection.

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STM32G431RBT3 - 170MHz Cortex-M4 MCU, 128KB Flash | STMicroelectronics
STM32G431RBT3

STM32G431RBT3 - 170MHz Cortex-M4 MCU, 128KB Flash | STMicroelectronics

STMicroelectronics STM32G431RBT3 is a 32-bit Arm Cortex-M4 microcontroller optimized for motor-control and industrial applications, operating at up to 170 MHz with 128 KB of internal Flash memory, 32 KB of SRAM, and math-accelerator hardware in a 64-pin LQFP 10 x 10 mm package. The device combines a high-performance 170 MHz Cortex-M4 core with a 12-bit analog-to-digital converter and a 170 MHz Arm Cortex-M4 core optimized for digital control loops. An Arm Cortex-M4 microcontroller is a 32-bit reduced-instruction-set-computing core designed for embedded control, combining deterministic interrupt handling, single-precision floating-point capability, and a broad peripheral ecosystem. Within the product hierarchy, the STM32G4 series sits between general-purpose STM32 microcontrollers and dedicated motor-control devices, adding fast analog conversion, timers with advanced capture features, and hardware suited to power-conversion control loops. The STM32G431RBT3 provides 128 KB of Flash for firmware storage and 32 KB of SRAM for working memory and data acquisition. Its maximum operating frequency is 170 MHz, while the specified operating-temperature range is -40 C to 125 C. The 64-LQFP 10 x 10 mm package supports compact industrial control boards and exposes the device's communication, timer, analog, and debug resources through a conventional leaded footprint. The STM32G4 architecture is particularly suited to applications where control-loop computation must coexist with accurate analog measurement. The 12-bit ADC resources support current, voltage, and temperature feedback, while dedicated timer and math-accelerator features reduce the processing burden of digital power and motor-control algorithms. The 170 MHz Cortex-M4 core provides headroom for communications stacks, supervisory logic, and real-time control software. Typical implementations include electric-motor controllers, digital power converters, industrial sensor-conditioning systems, and compact automation controllers. In these systems, the MCU can execute current-control and voltage-control loops while simultaneously managing external communications and safety monitoring. The LQFP package is particularly useful for prototypes, test fixtures, and industrial equipment where inspection and rework are easier than with fine-pitch packages. When designing around the STM32G431RBT3, verify every analog input range, timer output, and alternate-function assignment against the pin-description tables in the manufacturer datasheet. Decoupling requirements, clock configuration, and exposed-pin assignments must follow the device reference manual and hardware-design guidance. Use the exact STM32G431RB device documentation when defining the board footprint and firmware package. This page combines manufacturer device information, distributor availability records, package and memory details, drop-in family variants, comparison parameters, and practical design guidance. It is intended to help engineers qualify the STM32G431RBT3 for embedded industrial and motor-control designs before starting a new PCB layout or firmware port.

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STM32G431RBT6 - 170MHz Cortex-M4 MCU 128KB Flash | ST
STM32G431RBT6

STM32G431RBT6 - 170MHz Cortex-M4 MCU 128KB Flash | ST

The STMicroelectronics STM32G431RBT6 is a 32-bit mainstream microcontroller based on the Arm Cortex-M4 core with FPU and DSP instructions, running at 170 MHz and delivering 213 DMIPS, with 128 KB of Flash memory and 32 KB of SRAM in a 64-pin LQFP (10x10 mm) package. A microcontroller (MCU) is a single-chip embedded computer that integrates a processor core, memory, and peripherals such as timers, communication interfaces, and analog blocks. Within the power management and control hierarchy of an embedded system, the MCU sits at the top of the control chain, executing firmware that orchestrates sensors, actuators, and power stages. The STM32G4 Series is STMicroelectronics' mainstream general-purpose family optimized for mixed-signal and digital power applications, sitting above the entry-level STM32G0 Series and beside the higher-integration STM32G4 x4/x7 derivatives. Key features of the STM32G431RBT6 include the 170 MHz Cortex-M4F with hardware floating-point unit and a math accelerator for control-loop acceleration, 128 KB of embedded Flash with ECC option, and a rich analog subsystem. The device integrates fast 12-bit ADCs, comparators, operational amplifiers, and a high-resolution timer, enabling direct digital control of power converters without external analog front-ends. From an architecture standpoint, the Cortex-M4 RISC core executes Thumb-2 code with single-cycle MAC and hardware divide. ART Accelerator prefetch keeps the 170 MHz core fed from Flash. Peripheral set includes USART, SPI, I2C, CAN, and multiple advanced-control timers suitable for PWM generation in three-phase motor drives and switch-mode power supplies. Typical applications include FOC brushless motor control, digital SMPS and PFC stages, industrial sensing and signal conditioning, and battery-powered instrumentation. The integrated op-amps and comparators reduce BOM cost in current-sensing chains. A key design consideration is supply decoupling and VDDA/VSSA separation: keep analog and digital ground planes joined at a single point to preserve the accuracy of the 12-bit ADC under fast PWM switching. This page synthesizes verified distributor data, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet alone.

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STM32G431VBT6 - 170MHz Cortex-M4F 128KB MCU | STMicroelectronics
STM32G431VBT6

STM32G431VBT6 - 170MHz Cortex-M4F 128KB MCU | STMicroelectronics

STMicroelectronics STM32G431VBT6 is a 32-bit Arm Cortex-M4F microcontroller with a 170 MHz maximum clock, 128 KB of Flash memory, 32 KB of SRAM, and 100-LQFP packaging in a 14 mm by 14 mm body. The device combines 213 DMIPS-class processing performance with a mixed-signal peripheral set that includes 12-bit ADCs, four DAC channels, four comparators, and three operational amplifiers. These characteristics position the STM32G431VBT6 as a compact embedded controller for industrial, motor-control, analog, and sensor-oriented systems. An Arm Cortex-M4F microcontroller is a 32-bit embedded processor based on the Arm Cortex-M4 architecture and includes a floating-point unit. Within the embedded-computing hierarchy, it provides substantially more arithmetic capability than a basic 8-bit or 16-bit microcontroller while retaining a deterministic real-time-control architecture. The STM32G4 family combines that processing core with analog conversion, comparison, amplification, and communications peripherals for compact control platforms. Key device attributes include a 170 MHz operating frequency, 213 DMIPS as stated in the manufacturer data, 128 KB of Flash, 32 KB of SRAM, and an Arm Cortex-M4F core. The analog subsystem provides an ADC resolution of up to 16 bits with hardware oversampling and a 0 V to 3.6 V conversion range. Four DAC channels are divided between two buffered external channels operating at 1 MSPS and two unbuffered internal channels operating at 15 MSPS. The mixed-signal architecture allows a design to acquire sensor inputs, compare thresholds, perform control-loop calculations, and generate analog outputs without relying on separate devices for every function. Four ultra-fast rail-to-rail analog comparators support fast threshold and protection tasks, while three operational amplifiers can be configured in PGA mode with terminals accessible to the application. The internal VREFBUF provides a buffered voltage-reference function for analog circuitry. Typical uses include digital power conversion, motor-control systems, industrial acquisition modules, programmable signal sources, and compact embedded instruments. The ADC, DAC, comparators, and op-amps are particularly useful when a control board must combine digital computation with precision analog front-end functions. The 100-LQFP package also provides a generous pin count for external memory, communication interfaces, sensors, and actuator connections. Designers should confirm every peripheral instance, alternate-function mapping, power pin, and board-level connectivity against the manufacturer pinout and reference manual. The STM32G431VBT6 combines substantial analog capability in one package, but correct decoupling, analog grounding, input-range planning, and firmware initialization remain essential for predictable performance.

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STM32G441CBT6 - 170MHz ARM Cortex-M4 MCU | STMicroelectronics
STM32G441CBT6

STM32G441CBT6 - 170MHz ARM Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G441CBT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core with FPU, operating at up to 170 MHz. It features 128 KB of flash memory and 32 KB of SRAM, making it suitable for a wide range of embedded applications requiring efficient processing and rich connectivity. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals on a single chip. The STM32G441CBT6 belongs to the STM32G4 series, which is optimized for mixed-signal applications such as motor control, digital power conversion, and industrial automation. As a member of the STM32 family, it offers a balance of performance, power efficiency, and peripheral integration. Key features of the STM32G441CBT6 include a 170 MHz ARM Cortex-M4 core with FPU, 128 KB flash, 32 KB SRAM, and a rich set of peripherals including multiple 12-bit ADCs, DACs, comparators, op-amps, and advanced timers. It also supports various communication interfaces such as SPI, I2C, USART, and CAN FD, enabling flexible system integration. The device operates from 1.71V to 3.6V supply and is available in a 48-pin LQFP package. The STM32G441CBT6 leverages ST's advanced 90nm process technology, providing high performance with low power consumption. The Cortex-M4 core with FPU accelerates mathematical computations, making it ideal for real-time control loops and signal processing. The device includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for robust and deterministic interrupt handling. Typical applications include motor control for industrial drives, digital power supplies, battery management systems, and advanced sensing applications. Its high-speed ADC and timer synchronization capabilities make it particularly well-suited for power conversion topologies like LLC resonant converters and PFC stages. The device also supports firmware updates via its bootloader and SWD interface. When designing with the STM32G441CBT6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin should be bypassed with a 1uF capacitor for accurate ADC conversions. Careful PCB layout is essential to minimize noise and ensure reliable operation at 170 MHz.

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STM32G441CBU6 - 170MHz Cortex-M4 MCU | STMicroelectronics
STM32G441CBU6

STM32G441CBU6 - 170MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G441CBU6 is a 32-bit ARM Cortex-M4F microcontroller with a maximum operating frequency of 170 MHz, 128 KB of Flash memory, 32 KB of SRAM, and a 48-pin UFQFPN package measuring 7 x 7 mm. It belongs to the STM32G4 series of high-performance embedded microcontrollers designed for demanding control, sensing, communications, and motor-control applications. An MCU is a programmable system-on-chip that integrates a processor core, memory, peripherals, and communication interfaces into one compact device. The STM32G4 family combines Cortex-M4F instruction-set support with fast analog peripherals and extensive connectivity, allowing engineers to consolidate control logic that might otherwise require several discrete components. The STM32G441CBU6 is suited to products that require deterministic real-time behavior, substantial processing capability, and a compact surface-mount footprint. The device provides 128 KB of Flash for firmware and 32 KB of SRAM for working memory. Its Cortex-M4F core operates up to 170 MHz, making it appropriate for control loops, digital power conversion, industrial automation, communications gateways, and embedded sensor systems. The 48-pin UFQFPN package also supports compact PCB layouts while providing the peripheral connections needed for external sensors, actuators, communications transceivers, and power-management circuitry. Compared with simpler Cortex-M0 or Cortex-M3 devices, the STM32G441CBU6 provides a stronger balance of processing speed, memory, and integrated mixed-signal resources. The product family is identified by STMicroelectronics as an ARM Cortex-M4 MCU with FPU capability and 170 MHz performance. The exact peripheral mix, pin assignments, electrical limits, and timing characteristics should be checked against the manufacturer datasheet before final circuit design. Typical uses include digital motor control, industrial sensor hubs, power-conversion controllers, building automation modules, communications equipment, and compact embedded control platforms. The 128 KB Flash capacity is useful for moderate application code, protocol stacks, and boot logic, while the 32 KB SRAM can support control algorithms and buffering requirements. A critical design consideration is matching the PCB footprint and pinout of the 48-pin UFQFPN package. Place decoupling capacitors close to the device power pins, follow the recommended layout guidance in the manufacturer datasheet, and verify operating voltage, clock, reset, and peripheral constraints during schematic review. Use the pin-description table and package drawing in the manufacturer documentation when assigning tracks and checking exposed-pad connections. This product summary combines the verified STM32G441CBU6 identity, core, memory, frequency, package, and sourcing information with practical guidance for evaluating the MCU in embedded control designs.

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STM32G441KBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics
STM32G441KBT6

STM32G441KBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics

STMicroelectronics STM32G441KBT6 is a 32-bit Arm Cortex-M4 microcontroller with a 170 MHz operating frequency, 128 KB of Flash memory, 32 KB of SRAM, and an FPU in a 32-pin LQFP 7 x 7 mm package. It combines a math accelerator, fast analog peripherals, and extensive connectivity in a compact embedded-control device. A microcontroller is a programmable system-on-chip that integrates a processor core, memory, peripherals, and communication interfaces on one semiconductor die. Within the embedded hierarchy, the STM32G441KBT6 is an Arm Cortex-M4 MCU, a 32-bit RISC controller within the STM32G4 family. It executes firmware, samples analog signals, controls actuators, and manages industrial, IoT, automation, motor-control, metering, and low-power board designs. The principal device characteristics include 170 MHz execution, 213 DMIPS of compute performance, 128 KB of Flash, and 32 KB of SRAM. Its Cortex-M4F processor includes a floating-point unit and hardware math accelerator for control calculations. STMicroelectronics describes the device as a mainstream Arm Cortex-M4 MCU with medium analog integration, making it suitable for mixed-signal systems that require more control performance and analog capability than a general-purpose entry microcontroller. The 32-pin LQFP package provides a practical route for prototyping and production assemblies that use leaded PCB land patterns. Its 7 x 7 mm body supports compact placement while leaving comparatively generous space between leads for assembly inspection and rework. The product family targets applications requiring deterministic embedded control, efficient peripheral integration, and a familiar STM32G4 software ecosystem. Typical uses include industrial motor controllers, sensor and metering nodes, compact power converters, connected automation equipment, and low-power IoT devices. In these systems, the MCU can execute a control loop, process ADC readings, operate timers and communication peripherals, and supervise safety-critical state without requiring a separate processor. Designers should confirm pin multiplexing, peripheral assignments, clock-tree requirements, analog reference routing, and firmware support in the STM32G441KB product documentation before finalizing a board. Proper decoupling, exposed-ground-plane layout, and signal-integrity practices are especially important when analog and high-speed digital functions operate in the same design. This page combines manufacturer product information with practical selection guidance, comparison criteria, application-fit analysis, and design notes. It is intended to help engineers identify the correct MCU while recognizing that firmware, peripherals, qualification, and lifecycle decisions require validation against current STMicroelectronics documentation.

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STM32G441KBU6 - 170MHz Cortex-M4 MCU, 128KB Flash | STMicroelectronics
STM32G441KBU6

STM32G441KBU6 - 170MHz Cortex-M4 MCU, 128KB Flash | STMicroelectronics

The STMicroelectronics STM32G441KBU6 is a 32-bit Arm Cortex-M4 microcontroller with an FPU, operating up to 170 MHz and delivering 213 DMIPS. It integrates 128 KB of Flash memory, 32 KB of SRAM, an ART Accelerator, DSP instructions, an MPU, a math accelerator, and AES hardware encryption in a 32-pin UFQFPN package measuring 5 x 5 mm. The combination supports compact embedded-control, sensing, communications, and motor-control designs requiring efficient 32-bit processing without an external memory interface. A microcontroller is a programmable integrated circuit that combines a processor core, memory, peripherals, and I/O in one device. The STM32G4 family is positioned within the broader hierarchy of embedded processors, where Arm Cortex-M4 cores combine efficient interrupt handling, deterministic peripheral access, and broad ecosystem support. The Cortex-M4 architecture adds a single-precision floating-point unit, while the STM32 implementation adds the ART Accelerator for zero-wait-state execution from Flash and dedicated hardware for math and cryptographic operations. Key features include 170 MHz maximum clock operation, 213 DMIPS performance, 128 KB of Flash, and 32 KB of SRAM. The DSP instruction set supports efficient fixed- and floating-point signal-processing workloads, and the math accelerator accelerates suitable matrix and vector operations. AES hardware encryption reduces software processing load for applications that protect stored or transmitted data. The memory organization also supports firmware and working data within one compact package, making the MCU suitable for space-constrained products. The STM32G441KBU6 is positioned for industrial motor control, digital power conversion, robotics, communications equipment, and precision analog measurement. Its 170 MHz Cortex-M4 core can shorten control-loop execution time, while DSP instructions and the math accelerator improve signal-processing throughput. The 5 x 5 mm UFQFPN footprint supports compact assemblies but requires careful PCB layout, exposed-pad thermal management, and short analog and high-speed signal routing. Design the PCB with a continuous ground plane, place decoupling capacitors beside every supply pin, and route sensitive analog inputs away from switching nodes and high-current outputs. Verify the complete pin assignment and exposed-pad connection in the manufacturer pinout table before layout because individual peripheral functions depend on package pin multiplexing. Firmware should also account for clock-tree configuration, memory sizing, peripheral initialization order, and appropriate fault handling. This page organizes the key specifications, design constraints, use cases, and supported replacement information for engineers evaluating the STM32G441KBU6. It emphasizes practical selection guidance and PCB implementation considerations in addition to the core memory and processing specifications.

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STM32G441RBT6 - 170MHz Cortex-M4F 128KB MCU | STMicroelectronics
STM32G441RBT6

STM32G441RBT6 - 170MHz Cortex-M4F 128KB MCU | STMicroelectronics

The STMicroelectronics STM32G441RBT6 is a 32-bit ARM Cortex-M4F microcontroller with a maximum clock frequency of 170 MHz, 128 KB of internal Flash memory, and a 64-lead LQFP package measuring 10 mm by 10 mm. It belongs to the STM32G4 series of high-performance embedded microcontrollers and combines a floating-point processor core with hardware acceleration for math-intensive control applications. A microcontroller is a programmable semiconductor containing a processor core, memory, and peripheral interfaces on one integrated circuit. Within the STM32 family hierarchy, STM32G4 devices combine real-time control performance with advanced analog, timer, communication, and security capabilities. They are used where deterministic control, efficient embedded processing, and compact integration are more important than using a separate processor and discrete analog components. The STM32G441RBT6 provides 128 KB of Flash for firmware and 32-bit architecture for efficient code execution. Its Cortex-M4F core supports floating-point instructions, while the manufacturer positions this device for digital power conversion, motor control, and industrial applications. The 64-LQFP package exposes enough I/O for mixed-signal control designs and is mounted using standard surface-mount assembly methods. This device is suited to control loops that benefit from faster computation and dedicated timer resources. Hardware math acceleration can reduce the processing burden associated with control algorithms, while the STM32G4 platform supports connected industrial equipment, energy conversion, and embedded automation. The operating voltage shown in the product listing is 3.3 V, making the part appropriate for systems designed around a 3.3 V embedded power rail. Typical uses include digital motor controllers, power-converter control boards, industrial sensor nodes, and compact instrumentation. Its 170 MHz Cortex-M4F performance is useful when the control loop must combine sampling, signal processing, communications, and protection functions. For designs requiring a very small footprint, the 10 mm by 10 mm LQFP offers a practical balance between pin access and routability. PCB design should preserve clean analog and digital return paths, place decoupling capacitors close to the supply pins, and route sensitive inputs away from switching nodes. Firmware validation should include the device-specific startup sequence, clock configuration, peripheral initialization, and boundary-condition testing for the selected operating range. The LQFP footprint also simplifies rework compared with fine-pitch packages, although its leads increase board-edge space requirements. This product page combines the verified STM32G441RBT6 configuration, same-family drop-in alternatives, application guidance, and design checks to support component selection, PCB planning, firmware preparation, and sourcing decisions.

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STM32G473CBT6 - 170MHz ARM Cortex-M4F MCU with FPU | STMicroelectronics
STM32G473CBT6

STM32G473CBT6 - 170MHz ARM Cortex-M4F MCU with FPU | STMicroelectronics

The STMicroelectronics STM32G473CBT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core with floating-point unit (FPU), operating at up to 170 MHz. It is part of the STM32G4 series, designed for advanced motor control, digital power conversion, and industrial applications. The device features 128 KB of Flash memory and 32 KB of SRAM, along with a rich set of analog peripherals including multiple 12-bit ADCs, DACs, comparators, and operational amplifiers. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (Flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the brain of countless electronic devices, from automotive engine control units to home appliances and IoT sensors. In the system hierarchy, a microcontroller sits above simple logic ICs but below application processors, offering a balance of performance, power efficiency, and real-time control capabilities. Key features of the STM32G473CBT6 include a 170 MHz ARM Cortex-M4F core with DSP instructions and FPU, 128 KB Flash, 32 KB SRAM, and a comprehensive set of communication interfaces: 3x I2C, 4x USART, 3x SPI, 2x FDCAN, 1x USB 2.0 FS, and 1x SAI. It also integrates advanced analog peripherals: 5x 12-bit ADCs with hardware oversampling, 4x 12-bit DACs, 6x operational amplifiers, 7x comparators, and a 16-bit timer with multiple PWM channels. The device supports a supply voltage range of 1.71V to 3.6V and operates over a temperature range of -40°C to +85°C. The STM32G473CBT6 is built on a high-performance architecture with a nested vectored interrupt controller (NVIC), a memory protection unit (MPU), and a single-cycle multiply-and-accumulate (MAC) unit. It includes a true random number generator (TRNG), a cyclic redundancy check (CRC) unit, and a 128-bit unique device identifier. The device also features a flexible power management with multiple low-power modes (Sleep, Stop, Standby) and a battery backup domain for RTC and 32x32-bit backup registers. Typical applications include field-oriented control (FOC) of brushless DC (BLDC) motors, digital power supplies (buck, boost, flyback), solar inverters, and industrial automation. The high-resolution timers (HRTIM) with 184 ps resolution make it ideal for power conversion topologies requiring precise PWM generation. The multiple ADCs with simultaneous sampling enable accurate current and voltage sensing in motor control loops. When designing with this device, pay attention to the decoupling of the VDDA and VREF+ pins to achieve the specified ADC accuracy. Use the internal voltage regulator with external capacitors as recommended in the datasheet. For motor control applications, ensure proper grounding and use the dedicated PWM outputs with complementary signals and dead-time insertion.

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STM32G473CCU6 - 170MHz Cortex-M4 MCU, 256KB Flash | STMicroelectronics
STM32G473CCU6

STM32G473CCU6 - 170MHz Cortex-M4 MCU, 256KB Flash | STMicroelectronics

STMicroelectronics STM32G473CCU6 is a 32-bit Arm Cortex-M4 microcontroller running up to 170 MHz with 256 KB of embedded Flash, 128 KB of SRAM and a hardware math accelerator, packaged in a 48-pin UFQFPN (7x7 mm) surface-mount package. It delivers 213 DMIPS of compute performance in a small 7x7 mm footprint. A microcontroller is a single integrated circuit that consolidates a CPU core, memory and peripherals into one component. The STM32G473 belongs to the STM32G4 series of 32-bit RISC microcontrollers, which sits in the wider hierarchy of embedded processor > microcontroller > Arm Cortex-M4 core > STM32G4 family of mixed-signal MCUs designed for power conversion, motor control and precision analog measurement. Key features include a 170 MHz Cortex-M4 core with single-precision FPU and DSP instructions, a 256 KB Flash / 128 KB SRAM memory complement, an integrated Filter Math Accelerator (FMAC) for high-speed digital filtering, and a rich analog block with multiple high-resolution ADCs, comparators, DACs and operational amplifiers. The device also integrates a hardware cryptographic accelerator, a 32-bit RTC, and advanced timers suited to motor and digital power control. Architecturally the STM32G4 series targets control applications where analog precision and DSP throughput meet. The FMAC offloads FIR/IIR filter computation from the CPU, while the high-resolution ADC front end removes the need for external analog-to-digital converters in many signal-chain designs. Peripherals such as HRTIM, advanced-control timers, USB-C PD physical layer support and multiple timers let one device replace several discrete components on a control board. Typical applications include digital power supply control loops, e-bike and servo motor drives, industrial condition-monitoring gateways, precision RTD and strain-gauge front ends, and compact fieldbus or PLC peripheral modules where board area is constrained by the 7x7 mm package. A key design consideration is that analog layout matters as much as firmware: place the MCU decoupling capacitors and the analog ground connection on the same side of the board as the signal sources, and route the high-speed and sensitive analog nets away from switching nodes and inductor currents. This page consolidates family-level memory and analog specifications, drop-in alternatives in the identical 48-pin UFQFPN footprint, comparison data against neighbouring STM32G4 devices, and practical layout notes that go beyond the manufacturer datasheet.

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STM32G473CET3 - 170MHz Cortex-M4 MCU | STMicroelectronics
STM32G473CET3

STM32G473CET3 - 170MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G473CET3 is a 32-bit Arm Cortex-M4 microcontroller with FPU, a maximum operating frequency of 170 MHz, 512 KB of Flash memory, and 128 KB of SRAM in a 48-LQFP 7x7 mm package. It supports 1.8 V, 2.5 V, and 3.3 V operation and includes a math accelerator and rich analog resources. A microcontroller is a programmable system-on-chip that combines a processor core, memory, and peripherals in one integrated circuit. The STM32G4 family belongs to the embedded microcontroller hierarchy used for real-time control, embedded processing, and connected industrial equipment. The STM32G473CET3 combines Arm Cortex-M4 software compatibility with dedicated analog and math-acceleration hardware, making it suitable for systems that require deterministic control and substantial peripheral integration. The principal memory resources are 512 KB of Flash organized as 512K x 8 bytes and 128 KB of SRAM. The Cortex-M4 core operates at up to 170 MHz and delivers up to 213 DMIPS. A hardware floating-point unit supports efficient single-precision arithmetic, while the math accelerator is intended to accelerate computationally intensive control and signal-processing operations without requiring every calculation to run exclusively on the CPU. The STM32G4 series is positioned for demanding embedded applications combining high-speed control, analog measurement, and communication. The STM32G473CET3 is available in a 48-LQFP 7x7 mm tray package, providing a conventional leaded surface-mount format with accessible PCB routing and inspection. Its stated operating-voltage options of 1.8 V, 2.5 V, and 3.3 V support integration with multiple low-voltage digital and analog systems. Typical applications include industrial motor and power conversion, programmable logic and factory automation, sensor acquisition, communications equipment, and compact embedded control modules. The 170 MHz core provides performance headroom for concurrent control tasks, while the 512 KB Flash capacity can accommodate application firmware, configuration data, and protocol stacks. The dedicated math accelerator can be particularly useful in control loops that repeatedly process sampled analog values. Designers should confirm the complete pin assignment, peripheral configuration, clock plan, and analog limits against the STMicroelectronics manufacturer datasheet before layout release. The 48-LQFP footprint offers clear routing visibility, but power and signal integrity still depend on correct decoupling, grounding, controlled clock routing, and separation between sensitive analog inputs and high-current switching nodes. This page organizes the STM32G473CET3 specifications, application guidance, verified source links, and pin-compatible replacement assessment. It also distinguishes confirmed device facts from fields requiring a final check against the manufacturer datasheet, helping engineers shorten component selection and hardware-review time.

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STM32G473CET6 - 170MHz Cortex-M4 MCU | STMicroelectronics
STM32G473CET6

STM32G473CET6 - 170MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G473CET6 is a 32-bit Arm Cortex-M4 microcontroller with a maximum clock frequency of 170 MHz, 512 KB of Flash memory, and a 48-LQFP package measuring 7 x 7 mm. The device combines a Cortex-M4F processor, high-resolution analog resources, math acceleration, and extensive embedded peripherals for compact industrial control designs. A microcontroller is a programmable integrated circuit containing a processor core, nonvolatile program memory, volatile data memory, and peripherals such as timers, communication interfaces, and analog converters. In the STM32 hierarchy, the STM32G4 series belongs to the Arm Cortex-M4 MCU class and targets applications requiring more processing performance and analog capability than entry-level Cortex-M devices. The STM32G473CET6 reaches 170 MHz and provides 512 KB of Flash for firmware storage. Its Cortex-M4 core includes floating-point capability, while the advertised math accelerator supports computationally intensive control and signal-processing workloads. The 48-LQFP 7 x 7 mm package provides a fine-pitch surface-mount option for designs that need many I/O pins without moving to a very large leadless package. The STM32G4 family is positioned for power electronics, industrial automation, motor control, and embedded analog systems. At 170 MHz, the processor provides substantially greater application-processing headroom than many general-purpose Cortex-M microcontrollers operating below 100 MHz. The combination of 512 KB Flash, math acceleration, and high-performance analog features allows control algorithms, communications protocols, and supervisory logic to coexist in one device. Typical uses include digital power conversion, motor-control modules, factory automation controllers, data-acquisition systems, communications equipment, and compact embedded control products. The 48-pin package is particularly useful where a board design needs both analog measurement and digital control interfaces while retaining a conventional leaded SMT footprint. Design planning should begin with the manufacturer's pinout, electrical characteristics, and package drawings because the supplied search data does not expose the complete pin names or absolute timing limits. Designers should also validate peripheral assignments, analog reference requirements, clock-tree configuration, decoupling requirements, and PCB clearances against the official STM32G473CE documentation before release to production. This page combines the verified 170 MHz, 512 KB Flash, Cortex-M4, and LQFP-48 attributes with package-conscious alternatives, procurement guidance, comparison parameters, and practical application analysis. It distinguishes verified product facts from parameters that require confirmation from the complete manufacturer documentation.

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STM32G473CEU6 - 170MHz Cortex-M4 512KB MCU | STMicroelectronics
STM32G473CEU6

STM32G473CEU6 - 170MHz Cortex-M4 512KB MCU | STMicroelectronics

STMicroelectronics STM32G473CEU6 is a 32-bit Arm Cortex-M4 RISC microcontroller rated at 170 MHz, with 512 KB of Flash memory and a 48-pin UFQFPN package measuring 7 mm by 7 mm. The device combines a high-performance Cortex-M4 processor with the advanced analog and math-acceleration capabilities identified for the STM32G4 mainstream MCU family, making it suitable for demanding industrial control, motor-drive, power-conversion, and embedded signal-processing systems. An Arm Cortex-M4 microcontroller is a 32-bit reduced-instruction-computing core within the broader embedded processor and microcontroller hierarchy. It combines interrupt-driven control, compact embedded software, and integrated peripherals on one package. Compared with a general-purpose processor, an MCU is optimized for responsive real-time control, while the STM32G4 series adds enhanced analog resources and math-acceleration hardware for control-oriented designs. The STM32G473CEU6 combines three headline attributes: a maximum clock frequency of 170 MHz, 512 KB of programmable Flash, and a 48-UFQFPN package with a 7 mm by 7 mm footprint. The 512 KB Flash provides substantially more room for application code, libraries, configuration data, and update logic than the entry-level variants of the family. Its compact UFQFPN package also supports space-constrained control boards while exposing a high pin count for analog, communications, and control connections. The STM32G473xB, STM32G473xC, and STM32G473xE devices use the high-performance 32-bit Arm Cortex-M4 RISC core, according to the STMicroelectronics product page. Distributor records additionally identify the STM32G473CEU6 as a mainstream MCU with math-acceleration and high-analog features. These characteristics distinguish it from simpler Cortex-M0 or Cortex-M3 devices when a design benefits from faster numeric execution, more Flash storage, and a broader collection of analog peripherals. Typical applications include industrial motor controllers, digital power supplies, industrial automation modules, sensor-conditioning systems, communications equipment, and embedded measurement platforms. The combination of 170 MHz processing, 512 KB Flash, math acceleration, and enhanced analog capability is particularly useful where control algorithms must run alongside high-speed sampling, monitoring, and communications. Engineers should still verify individual peripheral assignments, analog performance, and pin multiplexing against the official STM32G473CE datasheet. For PCB implementation, use the manufacturer's 48-pin UFQFPN land pattern, exposed-pad thermal design, and recommended decoupling arrangement. Validate the PCB stack-up and thermal path before production because the 7 mm by 7 mm package concentrates heat around its exposed pad. Firmware, peripheral configuration, clock planning, and pin assignment should follow STMicroelectronics documentation for the STM32G473xB/xC/xE family. This page consolidates verified distributor specifications, the official product-page information, strict same-package alternatives, and practical selection guidance. It distinguishes documented facts from parameters that still require confirmation, providing a more useful engineering reference than a distributor title or generic cross-reference listing alone.

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STM32G473QBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics
STM32G473QBT6

STM32G473QBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G473QBT6 is a 32-bit Arm Cortex-M4 microcontroller rated up to 170 MHz, with 128 KB of Flash memory and 128 KB of SRAM in a 128-LQFP 14 x 14 mm package. It also includes a math accelerator capable of supporting up to 213 DMIPS, providing dedicated performance for control-intensive embedded workloads while retaining the standard Cortex-M4 instruction set and ecosystem. A microcontroller is a programmable semiconductor that integrates a processor core, memory, analog and digital peripherals, and interface controllers on one device. Within the product hierarchy, the STM32G473QBT6 belongs to the STM32G4 family of 32-bit Arm Cortex-M4 microcontrollers, combining embedded processing with high-resolution analog conversion, communication interfaces, and control peripherals. It is designed for systems that require deterministic real-time performance without a separate digital signal processor. The device provides 128 KB of Flash for firmware and 128 KB of SRAM for working memory. Its Cortex-M4 core operates up to 170 MHz, while the integrated math accelerator is rated at up to 213 DMIPS. These resources suit motor-control algorithms, digital power conversion, industrial automation, and communication-enabled embedded products. The manufacturer identifies the STM32G4 family as offering rich analog resources and a math accelerator for high-performance embedded control. Operating voltage options identified for this ordering configuration include 1.8 V, 2.5 V, and 3.3 V. The 128-LQFP package exposes 128 pins and measures 14 x 14 mm, providing ample connection density for analog inputs, timers, serial interfaces, debug functions, and general-purpose I/O. Its 32-bit architecture supports efficient control-loop execution and common embedded software-development workflows. Typical uses include digital power supplies, motor drives, sensor acquisition systems, industrial controllers, and compact industrial communications equipment. The combination of 170 MHz processing, math acceleration, SRAM, and analog peripherals can reduce the need for separate components in signal-conditioning and real-time control designs. The device is particularly attractive when a Cortex-M4 software ecosystem and deterministic embedded control are priorities. Designers should allocate decoupling close to the supply pins, verify every board-level signal against the STM32G473xB pin description table, and confirm the selected startup, clock, and debug configuration in the manufacturer reference documentation. Firmware changes should be validated for timing margin, peripheral mapping, and analog calibration before production release, especially in safety-critical or timing-sensitive control systems. This product page consolidates the confirmed core, memory, package, operating-voltage, analog, and math-accelerator characteristics with application guidance, engineering design notes, and same-family drop-in alternatives. It supports faster device selection by separating confirmed manufacturer specifications from parameters that require project-specific verification.

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STM32G473QCT6 - 170MHz Cortex-M4 MCU 256KB Flash LQFP-128 | ST
STM32G473QCT6

STM32G473QCT6 - 170MHz Cortex-M4 MCU 256KB Flash LQFP-128 | ST

The STMicroelectronics STM32G473QCT6 is a mainstream 32-bit Arm Cortex-M4 microcontroller with FPU, running at up to 170 MHz and delivering 213 DMIPS, packaged in a 128-pin LQFP (14x14 mm). It integrates 256 KB of single-bank Flash, 128 KB of SRAM, and the rich analog + math accelerator (Cordic + FMAC) feature set of the STM32G4 family. The STM32G473 line targets high-performance motor control, digital power, and lighting applications. What is a Cortex-M4 MCU? An Arm Cortex-M4 microcontroller is a 32-bit RISC processor core designed for embedded systems, featuring single-precision floating-point hardware, a DSP instruction set, and deterministic interrupt handling. Within the hierarchy, a Cortex-M4 sits under Cortex-M MCUs -> ARM MCUs -> microcontrollers -> embedded processors -> integrated circuits. The Cortex-M4 is widely used in motor control, power conversion, audio processing, and industrial automation where deterministic real-time response plus signal-processing throughput are required. Key features include: 170 MHz / 213 DMIPS core performance, 256 KB Flash, 128 KB SRAM, 5x 12-bit 4 MSPS ADCs (up to 36 channels), 4x 12-bit DACs, 7x ultra-fast comparators (16 ns), 4x operational amplifiers, math accelerator (Cordic + FMAC), up to 4x FDCAN, USB-C Power Delivery, and 128 KB of SRAM with hardware parity check. The 128-LQFP package exposes 107 GPIO and supports up to 17 timers including 5x 16-bit and 2x 32-bit timers plus 2x 16-bit low-power timers. Architecturally, the STM32G473 uses a Harvard bus with separate I-Code/D-Code buses and an AHB/APB bus matrix. The integrated op-amps, comparators, and 4 MSPS ADCs enable single-chip signal-chain designs that previously required external analog ICs. The CORDIC accelerator computes trigonometric functions in hardware without CPU cycles, and the FMAC unit performs FIR/IIR filtering for digital power control loops. Typical applications include field-oriented motor control (FOC) for industrial drives and e-bikes, digital switched-mode power supplies (SMPS) with peak current mode control, LED lighting drivers, photovoltaic micro-inverters, wireless charging transmitters, and USB-C PD sink/source controllers. The 128-LQFP form factor is common in industrial control boards where maximum GPIO count is needed. When designing with this part, ensure that the 5 ADCs are not all sampling simultaneously above 4 MSPS to avoid supply noise; stagger conversions by phase. For SMPS applications, dedicate one op-amp to current sensing and one high-speed comparator to the PWM protection path to achieve sub-200 ns cycle-by-cycle current limiting. This page synthesizes distributor pricing, drop-in alternatives within the STM32G4 family, and practical design notes that complement the manufacturer datasheet.

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STM32G473RBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics
STM32G473RBT6

STM32G473RBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics

STMicroelectronics STM32G473RBT6 is a 32-bit Arm Cortex-M4 microcontroller operating at up to 170 MHz, with 128 KB of Flash memory and a 64-pin LQFP package measuring 10 mm by 10 mm. It also provides a math accelerator and a high level of analog integration for compact embedded-control and mixed-signal designs. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals on one device. Within the embedded-computing hierarchy, the STM32G473RBT6 is an Arm Cortex-M4 MCU, a 32-bit RISC controller, and a member of STMicroelectronics' STM32G4 mainstream series. It is intended for applications in which real-time control, analog measurement, communications, and general-purpose embedded processing must share one device. The verified device features include a maximum clock frequency of 170 MHz, 128 KB of Flash, and an LQFP-64 package. STMicroelectronics describes the G473 family as having high analog integration, and distributor records also identify the math accelerator. The Arrow listing specifies operation with 1.8 V, 2.5 V, and 3.3 V supply options. Exact RAM capacity, ADC characteristics, timer counts, communication peripherals, and electrical limits require confirmation in the manufacturer datasheet. The Cortex-M4 architecture supports efficient interrupt-driven control while the math accelerator can reduce the processing burden of suitable arithmetic-intensive routines. High analog integration can simplify designs that require both control logic and analog interfaces, although the exact converter resolution, sampling rate, bandwidth, and internal references must be checked against the selected STM32G473 device variant. Firmware configuration, peripheral assignment, and board-level qualification remain product-specific. Typical uses include industrial motor and power-control systems, precision data-acquisition equipment, communications equipment, and compact embedded automation controllers. The 10 mm by 10 mm LQFP-64 package is also useful for prototypes and designs that prefer a leaded, inspectable package over a very small ball-grid-array option. The available evidence does not establish the complete peripheral mix or package-specific thermal limits. Designers should verify the 64-pin pinout, exposed programming and debug functions, supply sequencing, decoupling requirements, and analog input ranges before layout. Firmware migration from another STM32 family should be assessed at the register, peripheral, and driver level rather than inferred solely from the Cortex-M4 designation. This page distinguishes verified facts from parameters that still require datasheet confirmation. This page consolidates manufacturer and distributor evidence, procurement data, comparison guidance, and practical design cautions. It also identifies where package, electrical, and alternative-part claims require independent verification rather than treating generic MCU compatibility as proof of a drop-in replacement.

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STM32G473RCT6 - 170MHz ARM Cortex-M4F MCU | STMicroelectronics
STM32G473RCT6

STM32G473RCT6 - 170MHz ARM Cortex-M4F MCU | STMicroelectronics

The STMicroelectronics STM32G473RCT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core with floating-point unit (FPU), operating at up to 170 MHz. It is part of the STM32G4 series, designed for advanced motor control, industrial, and digital power applications. The device integrates a rich set of analog peripherals, including multiple 12-bit DACs, high-speed comparators, and operational amplifiers, along with advanced timers and communication interfaces. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (RAM and flash), and programmable input/output peripherals on a single chip. In the system hierarchy, a microcontroller is a type of embedded processor, which falls under the broader category of integrated circuits. The STM32G473RCT6 is a mid-range MCU in the STM32G4 family, positioned between the value-line STM32G0 and the high-performance STM32H7 series, offering a balance of performance, analog integration, and power efficiency. Key features of the STM32G473RCT6 include a 256 KB flash memory and 128 KB SRAM, a 170 MHz CPU with DSP instructions and FPU, and a comprehensive set of peripherals: 4x 12-bit DACs, 5x 12-bit ADCs with hardware oversampling, 6x ultra-fast comparators, 4x operational amplifiers, and 2x advanced motor-control timers. It also supports a wide range of communication interfaces including SPI, I2C, USART, CAN FD, and USB. The device operates from 1.71V to 3.6V and is available in a 64-pin LQFP package. The STM32G473RCT6 leverages ST's advanced 90nm process technology, enabling high performance with low power consumption. The Cortex-M4 core with FPU accelerates mathematical computations, making it ideal for real-time control loops in motor control and digital power conversion. The device also includes a memory protection unit (MPU), a cyclic redundancy check (CRC) unit, and a true random number generator (TRNG) for enhanced security and reliability. Typical applications include field-oriented control (FOC) of brushless DC (BLDC) motors, digital power supplies (buck, boost, and flyback converters), solar inverters, and industrial automation. The rich analog peripherals allow for single-chip solutions that reduce BOM cost and board space. For example, in a motor control application, the integrated op-amps and comparators can directly interface with current-sensing resistors, eliminating the need for external signal conditioning. When designing with this device, pay attention to the power supply decoupling: place a 100nF capacitor close to each VDD pin and a 4.7uF capacitor at the main power input. The VDDA pin must be connected to a clean analog supply, and the VREF+ pin should be decoupled with a 1uF capacitor to ensure ADC accuracy. Also, configure the clock system properly using the internal HSI16 oscillator or an external crystal for precise timing.

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STM32G473RET6 - 170MHz ARM Cortex-M4F MCU with FPU | STMicroelectronics
STM32G473RET6

STM32G473RET6 - 170MHz ARM Cortex-M4F MCU with FPU | STMicroelectronics

The STM32G473RET6 is a high-performance 32-bit microcontroller from STMicroelectronics, featuring an ARM Cortex-M4F core with floating-point unit (FPU) running at up to 170 MHz. It is part of the STM32G4 series, designed for advanced motor control, digital power conversion, and industrial applications. The device offers 512 KB of flash memory and 128 KB of SRAM, along with a rich set of analog and digital peripherals. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory, and programmable input/output peripherals on a single chip. In the system hierarchy, a microcontroller is a type of embedded processor, which falls under the broader category of integrated circuits (ICs). The STM32G473RET6 is a high-end MCU within the STM32G4 family, which is optimized for mixed-signal control applications. Key features of the STM32G473RET6 include a 170 MHz ARM Cortex-M4F core with DSP instructions and FPU, 512 KB flash, 128 KB SRAM, and a comprehensive set of peripherals: 4x fast 12-bit ADCs (up to 5 Msps), 4x 12-bit DACs, 6x ultra-fast comparators, 3x operational amplifiers, and advanced timers including high-resolution timers (HRTIM) for precise PWM generation. It also supports multiple communication interfaces: 3x I2C, 4x USART, 3x SPI, 2x FDCAN, 1x USB 2.0 FS, and 1x SAI. The device operates from 1.71V to 3.6V supply and is available in the LQFP-64 package. The STM32G473RET6 leverages ST's advanced 90nm process technology, providing a balance of performance and power efficiency. The Cortex-M4F core with FPU accelerates mathematical computations, making it ideal for real-time control loops. The HRTIM module enables high-resolution PWM generation with sub-nanosecond accuracy, essential for digital power conversion and motor control. The device also includes a memory protection unit (MPU), CRC calculation unit, and a true random number generator (TRNG) for enhanced security. Typical applications include field-oriented control (FOC) of brushless DC motors, digital power supplies (buck, boost, flyback), solar inverters, and industrial automation. The rich analog front-end and high-resolution timers make it particularly suited for power conversion and motor control applications where precise timing and accurate analog measurements are critical. When designing with the STM32G473RET6, ensure proper decoupling of the VDD pins with 100nF capacitors placed close to the pins, and a 4.7uF bulk capacitor. The VDDA pin must be connected to a clean analog supply, and VREF+ should be decoupled with a 1uF capacitor. For high-resolution timer applications, use a stable clock source such as the HSE crystal or the PLL to achieve the required timing accuracy.

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