STM32G431R6T6 - 170MHz Cortex-M4 32KB MCU | STMicroelectronics
Артикул: STM32G431R6T6 ✓ АктивенSTM32G431R6T6 Обзор
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.
Аналоги без доработки для STM32G431R6T6 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с STM32G431R6T6 (тот же форм-фактор и посадочное место) — отличается по Package, Mounting Type, Core.
STM32G431R8T6
✅ Прямая замена ⚠️ Характеристики не провереныУточнить цену
Открыть даташит →STM32G431RCT6
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
STM32G431RBT6
✅ Прямая замена ⚠️ Характеристики не провереныУточнить цену
Открыть даташит →STM32G431RET6
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
STM32G431KBT6
✅ Прямая замена ⚠️ Характеристики не провереныУточнить цену
Открыть даташит →STM32G431R6T6 Максимальные параметры и электрические характеристики
| Product Type | 32-bit microcontroller |
| Processor Core | Arm Cortex-M4 |
| Instruction Set | 32-bit RISC |
| Maximum CPU Frequency | 170 MHz |
| Embedded Flash Memory | 32 KB |
| Flash Organization | 32K x 8 bits |
| Корпус | 64-LQFP (10 x 10 mm) |
| Количество выводов | 64 pins |
| Тип монтажа | Surface mount |
| Core Family | Arm Cortex-M4 |
| Architecture | High-performance Arm Cortex-M4 32-bit RISC |
| Manufacturer Part Family | STM32G431x6/x8/xB |
Руководство по цоколевке STM32G431R6T6 в корпусе 64-lqfp (10 x 10 mm)
Цоколевка для STM32G431R6T6 (корпус 64-lqfp (10 x 10 mm)). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для STM32G431R6T6.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
STM32G431R6T6 подходит для 6 применениеs: Compact Industrial Control Module, Sensor Signal Conditioning, Digital Power Controller, Motor and Actuator Controller, Embedded Communications Gateway, IoT Sensor Node.
Compact Industrial Control Module
The STM32G431R6T6 fits compact control modules where a 170 MHz Arm Cortex-M4 processor and 64-pin package provide useful control bandwidth without requiring a large board footprint. Its 32 KB embedded Flash gives the firmware a defined storage budget for startup routines, state logic, communications, and diagnostics. The 10 x 10 mm LQFP body can simplify conventional pick-and-place and inspection processes compared with a very small fine-pitch package. Before layout release, engineers should assign pins according to the manufacturer alternate-function tables and confirm that the application does not exceed the device's 32 KB code limit.
Рекомендуется
Sensor Signal Conditioning
The STM32G431R6T6 is suitable for sensor-conditioning products that combine acquisition, digital filtering, and local control in one microcontroller. Its Cortex-M4 core can execute at up to 170 MHz, providing headroom for fixed-point or floating-point processing when the device includes the relevant math-acceleration resources. The 64-LQFP package exposes a larger pin count than compact 32-pin alternatives, which can ease assignment of sensor inputs, communication signals, references, and debug functions. Final design work must verify the required analog peripheral set, sampling architecture, and electrical limits in the manufacturer documentation.
Рекомендуется
Digital Power Controller
The STM32G431R6T6 can serve as the control processor in a digital power-management product where supervisory logic must run alongside fast control-loop software. A 170 MHz Cortex-M4 core provides computational margin, while 32 KB of embedded Flash can hold a modest control application, diagnostics, and parameter handling. The 64-pin LQFP package offers a practical route to assign control outputs, sensing inputs, communications, and debug access on a conventional surface-mount PCB. Engineers should confirm clock accuracy, control-loop timing, pin multiplexing, and power-management peripheral requirements before treating the generic MCU selection as complete.
Рекомендуется
Motor and Actuator Controller
The STM32G431R6T6 is appropriate for compact motor or actuator controllers where deterministic embedded execution, communication support, and a manageable package size are priorities. Its Arm Cortex-M4 core operates at up to 170 MHz, while the 64-LQFP footprint exposes enough pins to separate control outputs, position inputs, communication, reset, and programming functions. Firmware can implement sequencing, diagnostics, and closed-loop update tasks within the device's 32 KB Flash budget. Designers must verify the exact timer, encoder, communication, and analog resources required by the motor system and review thermal conditions at the selected operating load.
Рекомендуется
Embedded Communications Gateway
The STM32G431R6T6 can support a compact communications gateway that converts between a local embedded interface and an application-level protocol. The 170 MHz Cortex-M4 core is suitable for protocol processing and event-driven control, while the 64-LQFP package provides a broad pin budget for serial links, status signals, and debug access. The 32 KB Flash configuration should be treated as a firm design boundary for protocol stacks, security code, and firmware updates. Validate the required communication peripherals, buffer strategy, clocking scheme, and boot behavior before layout and firmware architecture are finalized.
Рекомендуется
IoT Sensor Node
The STM32G431R6T6 fits IoT sensor nodes that combine local sensing, condition monitoring, and network-message preparation in a compact board. Its 170 MHz Cortex-M4 processing capability allows the product to perform filtering and state management locally rather than relying exclusively on a remote service. The 10 x 10 mm 64-LQFP package also supports relatively straightforward assembly and inspection for low-to-medium production volumes. Product developers should calculate the 32 KB Flash budget for firmware, radio integration, and security updates, then confirm low-power requirements, clock sources, and all communication pin assignments against the manufacturer documentation.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для STM32G431R6T6 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | STM32G431R8T6 | STM32G431RCT6 | STM32G431RBT6 | STM32G431RET6 | STM32G431KBT6 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) |
| Processor Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 |
| Maximum CPU Frequency | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz |
| Embedded Flash Memory | 32 KB | 64 KB | 256 KB | 128 KB | 512 KB | 128 KB |
| Instruction Set | 32-bit RISC | 32-bit RISC | 32-bit RISC | 32-bit RISC | 32-bit RISC | 32-bit RISC |
| Number of Pins | 64 pins | 64 pins | 64 pins | 64 pins | 64 pins | 64 pins |
| Special Feature | Arm Cortex-M4 math-capable 170 MHz MCU | Arm Cortex-M4 with 64 KB Flash | Arm Cortex-M4 with 256 KB Flash | Arm Cortex-M4 with 128 KB Flash | Arm Cortex-M4 with 512 KB Flash | Arm Cortex-M4 with 128 KB Flash |
Ключевые отличия
- Lowest Flash configuration within the listed drop-in density options (против STM32G431R8T6)
- Substantially smaller code-storage footprint than the 256 KB option (против STM32G431RCT6)
- Established 170 MHz Cortex-M4 processing platform (против STM32G431RET6)
- Same 10 x 10 mm package for PCB reuse (против STM32G431KBT6)
Заметки по проектированию
Assign every power, ground, clock, reset, boot, debug, and communication signal from the manufacturer's Pin Description and Alternate Function Tables before routing the PCB. Keep sensitive inputs away from fast-switching outputs where practical, use a continuous ground reference under the device, and follow the recommended decoupling network directly from the manufacturer application guidance. Validate the final 64-LQFP land pattern against the official package drawing rather than scaling a generic footprint.
Calculate the supply design from the actual VIN, VDD, I/O, and clock conditions rather than from the 170 MHz headline frequency alone. Confirm the device's permitted voltage range and current behavior in the manufacturer documentation, then size local bypass capacitors and the supply path for the highest expected transient load. Include startup current, peripheral activity, and brownout margin in the rail design, and verify that each I/O remains within its specified voltage domain.
Do not treat a higher-density STM32G431 package-compatible device as a zero-risk substitution. The Flash capacity changes from the target's 32 KB to 64 KB, 128 KB, 256 KB, or 512 KB across the listed alternatives, and device identifiers, SRAM, startup configuration, peripheral availability, and firmware support may also differ. Review the exact orderable part, recompile against its device definition, exercise reset and boot paths, and perform production regression testing before substitution.
Place clock components and the MCU's supporting networks in accordance with the manufacturer reference layout, keeping clock routing short and surrounded by a continuous ground reference. Avoid routing high-current outputs beneath sensitive analog inputs and maintain separation between communication interfaces and potential switching nodes. The 10 x 10 mm LQFP body provides useful placement flexibility, but pin escapes and thermal copper should be planned together so that signal access does not compromise assembly or ground continuity.
Perform a thermal review using the highest expected ambient temperature, core activity, supply voltage, and output switching state. Estimated junction behavior depends on the selected PCB copper area, airflow, package construction, and device-specific dissipation limits, so confirm the final values against the manufacturer documentation. Use exposed board area for heat spreading where the package and land pattern permit it, and avoid placing the assembly next to a heat source without a documented temperature margin.
Информация о соответствии
No specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration was identified in the supplied technical records. Confirm these matters with STMicroelectronics before procurement.
