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STM32G431C8T6

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

componentembedded processors & controllersstm32g431c8t6factory-2.0.0extractor-text
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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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STM32G431C8T6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)

STM32G431C8T6 from STMicroelectronics, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VBAT power_in Backup voltage supply input, operating range 1.55 to 3.6 V for RTC and backup registers.
2 PC13 bidirectional GPIO port C pin 13, 5V tolerant I/O with wakeup and RTC tamper functionality.
3 PC14-OSC32_IN bidirectional GPIO port C pin 14 or 32 kHz oscillator input, 5V tolerant I/O.
4 PC15-OSC32_OUT bidirectional GPIO port C pin 15 or 32 kHz oscillator output, 5V tolerant I/O.
5 PF0-OSC_IN bidirectional GPIO port F pin 0 or main oscillator input (4 to 48 MHz), 5V tolerant with analog switch function.
6 PF1-OSC_OUT bidirectional GPIO port F pin 1 or main oscillator output, 5V tolerant output with analog switch function.
7 PG10-NRST bidirectional GPIO port G pin 10 or NRST reset pin with embedded weak pull-up, 5V tolerant.
8 PA0 bidirectional GPIO port A pin 0, 3.6V tolerant I/O with ADC, comparator, and timer functions.
9 PA1 bidirectional GPIO port A pin 1, 3.6V tolerant I/O with ADC, RTC, timer, and USART functions.
10 PA2 bidirectional GPIO port A pin 2, 3.6V tolerant I/O with ADC, wakeup, and USART2_TX function.
11 PA3 bidirectional GPIO port A pin 3, 3.6V tolerant I/O with ADC and USART2_RX functionality.
12 PA4 bidirectional GPIO port A pin 4, 3.6V tolerant I/O with ADC, DAC, and SPI/SAI functions.
13 PA5 bidirectional GPIO port A pin 5, 3.6V tolerant I/O with ADC, DAC, timer, and SPI functions.
14 PA6 bidirectional GPIO port A pin 6, 3.6V tolerant I/O with ADC, timer, and SPI/OPAMP functions.
15 PA7 bidirectional GPIO port A pin 7, 3.6V tolerant I/O with ADC, timer, SPI, and OPAMP functions.
16 PB0 bidirectional GPIO port B pin 0, 3.6V tolerant I/O with ADC, comparator, and timer functions.
17 PB1 bidirectional GPIO port B pin 1, 3.6V tolerant I/O with ADC, comparator, timer, and LPUART functions.
18 PB2 bidirectional GPIO port B pin 2, 3.6V tolerant I/O with ADC, RTC output, and LPTIM functions.
19 VSSA power_in Analog ground for ADC, DAC, and analog peripherals.
20 VREF+ power_in Positive analog reference for ADC and DAC, operating range 2.4 to 3.6 V with VREFBUF output capability.
21 VDDA power_in Analog supply voltage for ADC, DAC, comparators, and OPAMP, operating range 1.62 to 3.6 V.
22 PB10 bidirectional GPIO port B pin 10, 3.6V tolerant I/O with timer, USART, I2C, and SAI functions.
23 VSS power_in Ground connection for digital circuits.
24 VDD power_in Main supply voltage (1.71 to 3.6 V) for digital core and I/O logic.
25 PB11 bidirectional GPIO port B pin 11, 5V tolerant I/O with ADC, timer, USART, and LPUART functions.
26 PB12 bidirectional GPIO port B pin 12, 5V tolerant I/O with ADC, SPI/I2S, timer, and LPUART functions.
27 PB13 bidirectional GPIO port B pin 13, 3.6V tolerant I/O with SPI/I2S, timer, LPUART, and OPAMP functions.
28 PB14 bidirectional GPIO port B pin 14, 3.6V tolerant I/O with ADC, timer, SPI, and comparator functions.
29 PB15 bidirectional GPIO port B pin 15, 5V tolerant I/O with ADC, timer, SPI/I2S, and comparator functions.
30 PA8 bidirectional GPIO port A pin 8, 5V tolerant I/O with MCO output, I2C, timer, and SAI functions.
31 PA9 bidirectional GPIO port A pin 9, 5V tolerant I/O with I2C, timer, USART1_TX, and UCPD_DBCC1 functions.
32 PA10 bidirectional GPIO port A pin 10, 5V tolerant I/O with USB_CRS_SYNC, timer, and UCPD_DBCC2 functions.
33 PA11 bidirectional GPIO port A pin 11, 5V tolerant I/O (FT_u) with USB_DM and timer/FDCAN functions.
34 PA12 bidirectional GPIO port A pin 12, 5V tolerant I/O (FT_u) with USB_DP and timer/FDCAN functions.
35 VSS power_in Ground connection for digital circuits.
36 VDD power_in Main supply voltage (1.71 to 3.6 V) for digital core and I/O logic.
37 PA13 bidirectional GPIO port A pin 13, 5V tolerant I/O with SWDIO-JTMS, timer, I2C, and IR transmitter functions.
38 PA14 bidirectional GPIO port A pin 14, 5V tolerant I/O with SWCLK-JTCK, timer, I2C, and USART functions.
39 PA15 bidirectional GPIO port A pin 15, 5V tolerant I/O with JTAG JTDI, timer, I2C, SPI/I2S, and USART functions.
40 PB3 bidirectional GPIO port B pin 3, 5V tolerant I/O with JTAG JTDO, timer, SPI/I2S, and USART functions.
41 PB4 bidirectional GPIO port B pin 4, 5V tolerant I/O with JTAG JTRST, timer, SPI, and UCPD_CC2 functions.
42 PB5 bidirectional GPIO port B pin 5, 5V tolerant I/O with timer, I2C, SPI/I2S, and LPTIM functions.
43 PB6 bidirectional GPIO port B pin 6, 5V tolerant I/O with USB_CRS_SYNC, timer, USART, and FDCAN functions.
44 PB7 bidirectional GPIO port B pin 7, 5V tolerant I/O with I2C, timer, USART, and LPUART functions.
45 PB8-BOOT0 bidirectional GPIO port B pin 8 or BOOT0 pin (dedicated), 5V tolerant I/O with I2C, timer, FDCAN, and SAI functions.
46 PB9 bidirectional GPIO port B pin 9, 5V tolerant I/O with timer, I2C, IR transmitter, USART, and SAI functions.
47 VSS power_in Ground connection for digital circuits.
48 VDD power_in Main supply voltage (1.71 to 3.6 V) for digital core and I/O logic.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-48(7x7)
Category Embedded Processors & Controllers
Pins 48

CAD (KiCad official)

  • Symbol: STM32G431C8T6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32g431c8t6-etched.step / stm32g431c8t6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32g431c8t6.step / stm32g431c8t6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (200 pp, sha256 5994e7e78a451db7, retrieved 2026-09-29, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF