STM32G031F8P6 - 64MHz Cortex-M0+ MCU, 64KB Flash | STMicroelectronics
料号： STM32G031F8P6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.8281 | $1.83 |
| 10 | $1.3203 | $13.20 |
| 100 | $1.168 | $116.80 |
| 500 | $1.1172 | $558.60 |
| 1,000 | $1.0664 | $1,066.40 |
STM32G031F8P6 概述
An MCU (microcontroller) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and programmable peripherals into one package. The Cortex-M0+ is Arm's smallest and most energy-efficient 32-bit core, sitting in the hierarchy: Cortex-M0+ -> Arm Cortex-M -> 32-bit RISC processor -> MCU -> semiconductor. The STM32G0 family further integrates a 5V-tolerant I/O architecture and a 12-bit ADC, simplifying designs that must interface with 5V legacy sensors.
Key features of the STM32G031F8P6 include 64 MHz maximum CPU frequency, 64 KB of embedded Flash with ECC, 8 KB SRAM, a 12-bit 2.5 MSPS ADC, two USART interfaces supporting LIN and IrDA, a 16-bit advanced-control timer, multiple general-purpose 16-bit timers, an I2C, an SPI, and a USB 2.0 Full-speed device controller (Type-C power-delivery capable on related parts). The 20-pin TSSOP package exposes 18 GPIO with 5V tolerance, making it suitable for mixed-voltage designs.
The architecture uses a single AHB/APB bus matrix with a Cortex-M0+ core featuring single-cycle I/O access, an MPU for memory protection, and a built-in vectored interrupt controller (NVIC). The on-chip 12-bit ADC achieves 2.5 MSPS with hardware oversampling, and the comparators and op-amps available in larger variants are omitted here to fit the 20-pin footprint.
Typical applications include LIN slave nodes in automotive body electronics, low-end motor-control loops (BLDC and stepper), consumer appliances (washing machines, induction cooktops), small home appliances, smart sensors, USB Type-C cable markers, and low-cost IoT end nodes. The USB FS device controller enables low-cost cable-mark and HID designs.
When designing with this MCU, ensure the VDDA pin is properly decoupled (100 nF + 1 uF) and that NRST has a 10 kohm pull-up and 100 nF cap if not driven externally. The 20-pin TSSOP package has limited GPIO (18) - plan pin allocation carefully for multi-peripheral designs and consider the LQFP-32 variant if more I/O is required.
直接替换替代料： STM32G031F8P6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32G031F8P6 （相同外形与封装尺寸） ——差异在于 Flash Memory, Operating Temperature Range, Package.
快速对比工具——选择替代料号进行并排对比：
STM32G031F6P6
📋 参考替代料（不在目录中）
STM32G031F4P6
📋 参考替代料（不在目录中）
STM32G031K8T6
📋 参考替代料（不在目录中）
STM32G031F8P6 最大额定值与电气特性
| Core Architecture | Arm Cortex-M0+ (32-bit RISC) |
| Maximum CPU Frequency | 64 MHz |
| Flash Memory | 64 KB (64K x 8) |
| SRAM | 8 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| 封装 | 20-pin TSSOP |
| GPIO Count | 18 (5V tolerant) |
| ADC | 12-bit, 2.5 MSPS, up to 19 channels (package-dependent) |
| USART/UART | 2 USART (LIN, IrDA, smartcard capable) |
| I2C | 2 I2C (Fast-mode Plus) |
| SPI | 1 SPI (up to 32 MHz) |
| USB | USB 2.0 Full-speed device, Type-C PD capable (no PHY on this 20-pin variant) |
| Timers | 1x 16-bit advanced-control, 4x 16-bit general-purpose, 1x low-power timer, 1x SysTick |
| RTC | Yes, with calendar and tamper |
| 工作温度范围 | -40C to +85C (P6 grade) |
| I/O Voltage Tolerance | 5V tolerant FT/FTf pins |
| DMA | 7-channel DMA (DMAMUX) |
| 安装类型 | Surface Mount |
| MSL 等级 | 3 (168 hours) |
| RoHS 状态 | Compliant |
STM32G031F8P6 引脚配置
| 引脚 1 | BOOT0 — Boot mode selection (internal pull-down) |
| 引脚 2 | PF2 — General-purpose I/O / NRST (after reset) |
| 引脚 3 | PF3 — General-purpose I/O |
| 引脚 4 | NRST — Reset input (active low) |
| 引脚 5 | VDDA — Analog supply voltage (2.0V-3.6V) |
| 引脚 6 | VSSA — Analog ground |
| 引脚 7 | PA0 — GPIO / ADC_IN0 / WKUP |
| 引脚 8 | PA1 — GPIO / ADC_IN1 |
| 引脚 9 | PA2 — GPIO / USART1_TX / ADC_IN2 |
| 引脚 10 | PA3 — GPIO / USART1_RX / ADC_IN3 |
| 引脚 11 | PA4 — GPIO / SPI1_NSS / ADC_IN4 |
| 引脚 12 | VDD — Digital supply voltage (2.0V-3.6V) |
| 引脚 13 | VSS — Digital ground |
| 引脚 14 | PA5 — GPIO / SPI1_SCK / ADC_IN5 |
| 引脚 15 | PA6 — GPIO / SPI1_MISO / ADC_IN6 |
| 引脚 16 | PA7 — GPIO / SPI1_MOSI / ADC_IN7 |
| 引脚 17 | PB0 — GPIO / ADC_IN8 |
| 引脚 18 | PA14 — GPIO / SWCLK |
| 引脚 19 | PA13 — GPIO / SWDIO |
| 引脚 20 | VSS — Digital ground |
典型应用
STM32G031F8P6 适用于 6 应用s: LIN Slave Node for Automotive Body Electronics, Low-End BLDC/PMSM Motor Control Loop, Consumer Appliance Control (Washing Machine, Induction Cooktop), USB Type-C Cable Marker / HID Accessory, Smart Sensor Hub / IoT End Node, Industrial Process Sensor Transmitter.
LIN Slave Node for Automotive Body Electronics
The STM32G031F8P6 is a strong fit for LIN slave nodes in automotive body electronics because it integrates two LIN-capable USARTs, 18 GPIO (5V tolerant for legacy bus pull-ups), and an operating temperature grade of -40C to +85C. The 64 KB Flash allows full LIN 2.2a stack plus diagnostics, while the 8 KB SRAM accommodates small node buffers. With the Cortex-M0+ at 64 MHz, a typical LIN 2.x message (10 ms bit time) leaves ample CPU headroom for sensor sampling and PWM actuators in a door-module or mirror-control node.
推荐
Low-End BLDC/PMSM Motor Control Loop
For sub-100W BLDC and PMSM motor-control loops (fans, small pumps, appliances), the STM32G031F8P6's 16-bit advanced-control timer (HRTIM-equivalent), 12-bit 2.5 MSPS ADC, and 64 MHz Cortex-M0+ provide sufficient cycle budget for field-oriented control at switching frequencies up to 20 kHz. The 20-pin TSSOP footprint is small enough to fit beside the gate driver on compact PCBs, and the 5V-tolerant GPIO can interface directly to 5V feedback signals. Use FOC or trapezoidal commutation depending on noise/efficiency targets.
推荐
Consumer Appliance Control (Washing Machine, Induction Cooktop)
White-goods main or sub-control boards benefit from the STM32G031F8P6's wide 2.0V to 3.6V supply range, -40C to +85C operating window, and rich analog mix (12-bit ADC + comparators). The 64 KB Flash holds IEC 60730 Class B safety library plus the application; the 8 KB SRAM enables smooth UI response and motor-control timing. 5V-tolerant I/O interfaces to legacy 5V LED displays and triac drivers. 20-pin TSSOP fits easily on space-constrained main-control boards.
推荐
USB Type-C Cable Marker / HID Accessory
The on-chip USB 2.0 Full-speed device controller on the STM32G031F8P6 enables low-cost USB Type-C cable-marker, USB-C audio dongle, and simple HID designs. The 5V-tolerant I/O interfaces to Type-C CC logic at 3.3V or 5V depending on configuration, and the 64 KB Flash accommodates a USB device stack plus application logic. The TSSOP-20 footprint keeps the BOM under $2 for consumer-grade USB accessories.
推荐
Smart Sensor Hub / IoT End Node
Battery-powered smart-sensor hubs (temperature, humidity, environmental monitoring) benefit from the STM32G031F8P6's Stop-mode current below 5 uA (full SRAM retention), fast 4 us wake-up, and 5V-tolerant GPIO for legacy analog sensors. The Cortex-M0+ at 64 MHz runs MQTT-SN or BLE-beacon payloads in milliseconds, then returns to deep sleep. The 20-pin TSSOP footprint is well suited to small sensor packages, and the 64 KB Flash fits a LoRaWAN or Zigbee lightweight stack.
推荐
Industrial Process Sensor Transmitter
Industrial 4-20 mA loop-powered and two-wire process sensor transmitters leverage the STM32G031F8P6's low Stop-mode current, 5V-tolerant ADC inputs (up to 18 single-ended channels via MUX), and 12-bit ADC with hardware oversampling to reach effective 16-bit resolution. The Cortex-M0+ runs HART or IO-Link mini-stack in the 64 KB Flash, with 8 KB SRAM sufficient for command buffering. The wide operating temperature range covers harsh industrial cabinets and process-pipe environments.
推荐
推荐产品汇总
工程参考数据： STM32G031F8P6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32G031F6P6 | STM32G031F4P6 | STM32G031K8T6 |
|---|---|---|---|---|
| Package | 20-pin TSSOP | 20-pin TSSOP (same) | 20-pin TSSOP (same) | 32-pin LQFP (different) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Cortex-M0+ 64 MHz | Cortex-M0+ 64 MHz | Cortex-M0+ 64 MHz | Cortex-M0+ 64 MHz |
| Flash | 64 KB | 32 KB | 16 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB |
| GPIO | 18 | 18 | 18 | 27 |
| ADC | 12-bit, 2.5 MSPS | 12-bit, 2.5 MSPS | 12-bit, 2.5 MSPS | 12-bit, 2.5 MSPS |
| USB | USB FS device (no PHY on this pinout) | USB FS device | USB FS device | USB FS device |
关键差异点
- 5V-tolerant GPIO across all 18 pins, vs only 5 on STM32F0 （对比 STM32F042F6P6)
- 64 KB Flash vs 32 KB Flash, double the code space at same price tier （对比 STM32F042F6P6)
- Cortex-M0+ with single-cycle I/O and 64 MHz, vs Cortex-M0 at 48 MHz on STM32F070 （对比 STM32F070F6P6)
设计说明
Decouple the STM32G031F8P6 supply rails with 100 nF X7R ceramic capacitors on each VDD pin and a shared 4.7 uF bulk capacitor on the main VDD rail. VDDA (pin 5) requires its own 100 nF + 1 uF LC filter to reject switching noise from the analog section; do NOT share VDDA and VDD bulk capacitance. Place all decoupling within 3 mm of the relevant pins to suppress >100 MHz noise injected by neighboring USB or motor-driver traces.
Do not leave the BOOT0 pin (pin 1) floating in production - the internal pull-down holds Main Flash mode at reset, but ESD events can drive the pin high and force the MCU into System Memory bootloader, locking up the application. Tie BOOT0 to VSS through a 10 kohm resistor with a 100 nF cap to GND if the pin is unused; if selectable boot modes are required, route BOOT0 through a dedicated test pad or jumper only.
The 20-pin TSSOP footprint with 0.65 mm pitch demands a 4-layer PCB or carefully stitched 2-layer design for clean USB and ADC performance. Keep analog ADC traces short and away from switching nodes. The SWD header (SWDIO/SWCLK on PA13/PA14) should be brought out to a 4-pin 1.27 mm header for production programming. Route NRST with a 10 kohm pull-up to VDD and 100 nF cap to GND; never leave NRST floating.
合规信息
RoHS and REACH compliant per ST product page; lead-free matte-tin finish on TSSOP-20. P6 grade is -40C to +85C industrial; automotive-grade AEC-Q100 variants in the family carry the U6 or U7 suffix (e.g., STM32G031K8U6). Halogen-free status not explicitly stated in provided data.
