component
STM32G431VBT6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTM32G431VBT6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)
STM32G431VBT6 from STMicroelectronics, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PE2 | input | GPIO input pin; supports TRACECK, TIM3_CH1, SAI1_CK1, SAI1_MCLK_A, EVENTOUT alternate functions. |
| 2 | PE3 | input | GPIO input pin; supports TRACED0, TIM3_CH2, SAI1_SD_B, EVENTOUT alternate functions. |
| 3 | PE4 | input | GPIO input pin; supports TRACED1, TIM3_CH3, SAI1_D2, SAI1_FS_A, EVENTOUT alternate functions. |
| 4 | PE5 | input | GPIO input pin; supports TRACED2, TIM3_CH4, SAI1_CK2, SAI1_SCK_A, EVENTOUT alternate functions. |
| 5 | PE6 | input | GPIO input pin; supports TRACED3, SAI1_D1, SAI1_SD_A, EVENTOUT alternate functions. |
| 6 | VBAT | power_in | Backup supply voltage input pin for RTC and backup registers; 1.55 V to 3.6 V. |
| 7 | PC13 | bidirectional | GPIO pin (5V tolerant) supporting TIM1_BKIN, TIM1_CH1N, TIM8_CH4N, EVENTOUT; provides WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT1. |
| 8 | PC14-OSC32_IN | bidirectional | GPIO pin (5V tolerant) for 32 kHz oscillator input; supports EVENTOUT alternate function. |
| 9 | PC15-OSC32_OUT | bidirectional | GPIO pin (5V tolerant) for 32 kHz oscillator output; supports EVENTOUT alternate function. |
| 10 | PF9 | bidirectional | GPIO pin (5V tolerant) supporting TIM15_CH1, SPI2_SCK, SAI1_FS_B, EVENTOUT alternate functions. |
| 11 | PF10 | bidirectional | GPIO pin (5V tolerant) supporting TIM15_CH2, SPI2_SCK, SAI1_D3, EVENTOUT alternate functions. |
| 12 | PF0-OSC_IN | input | GPIO input pin (5V tolerant, Fm+ capable, with analog switch) for main oscillator input; supports ADC1_IN10. |
| 13 | PF1-OSC_OUT | output | GPIO output pin (with analog switch) for main oscillator output; supports ADC2_IN10, COMP3_INM. |
| 14 | PG10-NRST | bidirectional | System reset pin with embedded weak pull-up; supports MCO, EVENTOUT alternate functions. |
| 15 | PC0 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting LPTIM1_IN1, TIM1_CH1, LPUART1_RX, EVENTOUT; ADC12_IN6, COMP3_INM. |
| 16 | PC1 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting LPTIM1_OUT, TIM1_CH2, LPUART1_TX, SAI1_SD_A, EVENTOUT; ADC12_IN7, COMP3_INP. |
| 17 | PC2 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting LPTIM1_IN2, TIM1_CH3, COMP3_OUT, EVENTOUT; ADC12_IN8. |
| 18 | PC3 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting LPTIM1_ETR, TIM1_CH4, SAI1_D1, TIM1_BKIN2, SAI1_SD_A, EVENTOUT; ADC12_IN9. |
| 19 | PF2 | bidirectional | GPIO pin (5V tolerant) supporting I2C2_SMBA, EVENTOUT alternate functions. |
| 20 | PA0 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM2_CH1, USART2_CTS, COMP1_OUT, TIM8_BKIN, TIM8_ETR, TIM2_ETR, EVENTOUT; ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2, WKUP1. |
| 21 | PA1 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting RTC_REFIN, TIM2_CH2, USART2_RTS_DE, TIM15_CH1N, EVENTOUT; ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP. |
| 22 | PA2 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM2_CH3, USART2_TX, COMP2_OUT, TIM15_CH1, LPUART1_TX, UCPD1_FRSTX, EVENTOUT; ADC1_IN3, COMP2_INM, OPAMP1_VOUT, WKUP4/LSCO. |
| 23 | VSS_2 | power_in | Ground connection. |
| 24 | VDD_2 | power_in | Main supply voltage input; 1.71 V to 3.6 V. |
| 25 | PA3 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM2_CH4, SAI1_CK1, USART2_RX, TIM15_CH2, LPUART1_RX, SAI1_MCLK_A, EVENTOUT; ADC1_IN4, COMP2_INP, OPAMP1_VINM/OPAMP1_VINP. |
| 26 | PA4 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, SAI1_FS_B, EVENTOUT; ADC2_IN17, DAC1_OUT1, COMP1_INM. |
| 27 | PA5 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM2_CH1, TIM2_ETR, SPI1_SCK, UCPD1_FRSTX, EVENTOUT; ADC2_IN13, DAC1_OUT2, COMP2_INM, OPAMP2_VINM. |
| 28 | PA6 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM1_BKIN, COMP1_OUT, LPUART1_CTS, EVENTOUT; ADC2_IN3, OPAMP2_VOUT. |
| 29 | PA7 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, TIM1_CH1N, COMP2_OUT, UCPD1_FRSTX, EVENTOUT; ADC2_IN4, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP. |
| 30 | PC4 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting TIM1_ETR, I2C2_SCL, USART1_TX, EVENTOUT; ADC2_IN5. |
| 31 | PC5 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM15_BKIN, SAI1_D3, TIM1_CH4N, USART1_RX, EVENTOUT; ADC2_IN11, OPAMP1_VINM, OPAMP2_VINM, WKUP5. |
| 32 | PB0 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM3_CH3, TIM8_CH2N, TIM1_CH2N, UCPD1_FRSTX, EVENTOUT; ADC1_IN15, COMP4_INP, OPAMP2_VINP, OPAMP3_VINP. |
| 33 | PB1 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM3_CH4, TIM8_CH3N, TIM1_CH3N, COMP4_OUT, LPUART1_RTS_DE, EVENTOUT; ADC1_IN12, COMP1_INP, OPAMP3_VOUT. |
| 34 | PB2 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting RTC_OUT2, LPTIM1_OUT, I2C3_SMBA, EVENTOUT; ADC2_IN12, COMP4_INM, OPAMP3_VINM. |
| 35 | VSSA | power_in | Ground connection for analog circuit; must be connected to VSS. |
| 36 | VREF+ | power_in | Positive analog reference voltage input for ADC; VREFBUF_OUT output available. |
| 37 | VDDA | power_in | Analog supply voltage input; 1.62 V to 3.6 V for ADC/COMP, 1.71 V to 3.6 V for DAC, 2.0 V to 3.6 V for OPAMP, 2.4 V to 3.6 V for VREFBUF. |
| 38 | PE7 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM1_ETR, SAI1_SD_B, EVENTOUT; COMP4_INP additional function. |
| 39 | PE8 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting TIM1_CH1N, SAI1_SCK_B, EVENTOUT; COMP4_INM additional function. |
| 40 | PE9 | bidirectional | GPIO pin (5V tolerant) supporting TIM1_CH1, SAI1_FS_B, EVENTOUT alternate functions. |
| 41 | PE10 | bidirectional | GPIO pin (5V tolerant) supporting TIM1_CH2N, SAI1_MCLK_B, EVENTOUT alternate functions. |
| 42 | PE11 | bidirectional | GPIO pin (5V tolerant) supporting TIM1_CH2, EVENTOUT alternate function. |
| 43 | PE12 | bidirectional | GPIO pin (5V tolerant) supporting TIM1_CH3N, EVENTOUT alternate function. |
| 44 | PE13 | bidirectional | GPIO pin (5V tolerant) supporting TIM1_CH3, EVENTOUT alternate function. |
| 45 | PE14 | bidirectional | GPIO pin (5V tolerant) supporting TIM1_CH4, TIM1_BKIN2, EVENTOUT alternate functions. |
| 46 | PE15 | bidirectional | GPIO pin (5V tolerant) supporting TIM1_BKIN, TIM1_CH4N, USART3_RX, EVENTOUT alternate functions. |
| 47 | PB10 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM2_CH3, USART3_TX, LPUART1_RX, TIM1_BKIN, SAI1_SCK_A, EVENTOUT; OPAMP3_VINM additional function. |
| 48 | VSS | power_in | Ground connection. |
| 49 | VDD | power_in | Main supply voltage input; 1.71 V to 3.6 V. |
| 50 | PB11 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting TIM2_CH4, USART3_RX, LPUART1_TX, EVENTOUT; ADC12_IN14 additional function. |
| 51 | PB12 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting I2C2_SMBA, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK, LPUART1_RTS_DE, EVENTOUT; ADC1_IN11 additional function. |
| 52 | PB13 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS, LPUART1_CTS, EVENTOUT; OPAMP3_VINP additional function. |
| 53 | PB14 | bidirectional | GPIO pin (3.6V tolerant, with analog switch) supporting TIM15_CH1, SPI2_MISO, TIM1_CH2N, USART3_RTS_DE, COMP4_OUT, EVENTOUT; ADC1_IN5, OPAMP2_VINP. |
| 54 | PB15 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting RTC_REFIN, TIM15_CH2, TIM15_CH1N, COMP3_OUT, TIM1_CH3N, SPI2_MOSI/I2S2_SD, EVENTOUT; ADC2_IN15. |
| 55 | PD8 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting USART3_TX, EVENTOUT alternate function. |
| 56 | PD9 | bidirectional | GPIO pin (5V tolerant) supporting USART3_RX, EVENTOUT alternate function. |
| 57 | PD10 | bidirectional | GPIO pin (5V tolerant) supporting USART3_CK, EVENTOUT alternate function. |
| 58 | PD11 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting USART3_CTS, EVENTOUT alternate function. |
| 59 | PD12 | bidirectional | GPIO pin (3.6V tolerant) supporting TIM4_CH1, USART3_RTS_DE, EVENTOUT alternate functions. |
| 60 | PD13 | bidirectional | GPIO pin (5V tolerant) supporting TIM4_CH2, EVENTOUT alternate function. |
| 61 | PD14 | bidirectional | GPIO pin (5V tolerant, with analog switch) supporting TIM4_CH3, EVENTOUT; OPAMP2_VINP additional function. |
| 62 | PD15 | bidirectional | GPIO pin (5V tolerant) supporting TIM4_CH4, SPI2_NSS, EVENTOUT alternate functions. |
| 63 | VSS | power_in | Ground connection. |
| 64 | VDD | power_in | Main supply voltage input; 1.71 V to 3.6 V. |
| 65 | PC6 | bidirectional | GPIO pin (5V tolerant) supporting TIM3_CH1, TIM8_CH1, I2S2_MCK, EVENTOUT alternate functions. |
| 66 | PC7 | bidirectional | GPIO pin (5V tolerant) supporting TIM3_CH2, TIM8_CH2, I2S3_MCK, EVENTOUT alternate functions. |
| 67 | PC8 | bidirectional | GPIO pin (5V tolerant, Fm+ capable) supporting TIM3_CH3, TIM8_CH3, I2C3_SCL, EVENTOUT alternate functions. |
| 68 | PC9 | bidirectional | GPIO pin (5V tolerant, Fm+ capable) supporting TIM3_CH4, TIM8_CH4, I2SCKIN, TIM8_BKIN2, I2C3_SDA, EVENTOUT alternate functions. |
| 69 | PA8 | bidirectional | GPIO pin (5V tolerant, Fm+ capable) supporting MCO, I2C3_SCL, I2C2_SDA, I2S2_MCK, TIM1_CH1, USART1_CK, TIM4_ETR, SAI1_CK2, SAI1_SCK_A, EVENTOUT alternate functions. |
| 70 | PA9 | bidirectional | GPIO pin (5V tolerant, USB PD dead battery capable) supporting I2C3_SMBA, I2C2_SCL, I2S3_MCK, TIM1_CH2, USART1_TX, TIM15_BKIN, TIM2_CH3, SAI1_FS_A, EVENTOUT; UCPD1_DBCC1 additional function. |
| 71 | PA10 | bidirectional | GPIO pin (5V tolerant, USB PD dead battery capable, with analog switch) supporting TIM17_BKIN, USB_CRS_SYNC, I2C2_SMBA, SPI2_MISO, TIM1_CH3, USART1_RX, TIM2_CH4, TIM8_BKIN, SAI1_D1, SAI1_SD_A, EVENTOUT; UCPD1_DBCC2 additional function. |
| 72 | PA11 | bidirectional | GPIO pin (5V tolerant, USB capable) supporting SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, COMP1_OUT, FDCAN1_RX, TIM4_CH1, TIM1_CH4, TIM1_BKIN2, EVENTOUT; USB_DM additional function. |
| 73 | PA12 | bidirectional | GPIO pin (5V tolerant, USB capable) supporting TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT, FDCAN1_TX, TIM4_CH2, TIM1_ETR, EVENTOUT; USB_DP additional function. |
| 74 | VSS | power_in | Ground connection. |
| 75 | VDD | power_in | Main supply voltage input; 1.71 V to 3.6 V. |
| 76 | PA13 | bidirectional | GPIO pin (5V tolerant, Fm+ capable, JTAG/SWD pin with internal pull-up) supporting SWDIO-JTMS, TIM16_CH1N, I2C1_SCL, IR_OUT, USART3_CTS, TIM4_CH3, SAI1_SD_B, EVENTOUT alternate functions. |
| 77 | PA14 | bidirectional | GPIO pin (5V tolerant, Fm+ capable, JTAG/SWD pin with internal pull-down) supporting SWCLK-JTCK, LPTIM1_OUT, I2C1_SDA, TIM8_CH2, TIM1_BKIN, USART2_TX, SAI1_FS_B, EVENTOUT alternate functions. |
| 78 | PA15 | bidirectional | GPIO pin (5V tolerant, Fm+ capable, JTAG pin with internal pull-up) supporting JTDI, TIM2_CH1, TIM8_CH1, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX, UART4_RTS_DE, TIM1_BKIN, TIM2_ETR, EVENTOUT alternate functions. |
| 79 | PC10 | bidirectional | GPIO pin (5V tolerant) supporting TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX, EVENTOUT alternate functions. |
| 80 | PC11 | bidirectional | GPIO pin (5V tolerant, Fm+ capable) supporting TIM8_CH2N, UART4_RX, SPI3_MISO, USART3_RX, I2C3_SDA, EVENTOUT alternate functions. |
| 81 | PC12 | bidirectional | GPIO pin (5V tolerant) supporting TIM8_CH3N, SPI3_MOSI/I2S3_SD, USART3_CK, UCPD1_FRSTX, EVENTOUT alternate functions. |
| 82 | PD0 | bidirectional | GPIO pin (5V tolerant) supporting TIM8_CH4N, FDCAN1_RX, EVENTOUT alternate functions. |
| 83 | PD1 | bidirectional | GPIO pin (5V tolerant) supporting TIM8_CH4, TIM8_BKIN2, FDCAN1_TX, EVENTOUT alternate functions. |
| 84 | PD2 | bidirectional | GPIO pin (5V tolerant) supporting TIM3_ETR, TIM8_BKIN, EVENTOUT alternate function. |
| 85 | PD3 | bidirectional | GPIO pin (5V tolerant) supporting TIM2_CH1/TIM2_ETR, USART2_CTS, EVENTOUT alternate functions. |
| 86 | PD4 | bidirectional | GPIO pin (5V tolerant) supporting TIM2_CH2, USART2_RTS_DE, EVENTOUT alternate functions. |
| 87 | PD5 | bidirectional | GPIO pin (5V tolerant) supporting USART2_TX, EVENTOUT alternate function. |
| 88 | PD6 | bidirectional | GPIO pin (5V tolerant) supporting TIM2_CH4, SAI1_D1, USART2_RX, SAI1_SD_A, EVENTOUT alternate functions. |
| 89 | PD7 | bidirectional | GPIO pin (5V tolerant) supporting TIM2_CH3, USART2_CK, EVENTOUT alternate functions. |
| 90 | PB3 | bidirectional | GPIO pin (5V tolerant, JTAG pin) supporting JTDO-TRACESWO, TIM2_CH2, TIM4_ETR, USB_CRS_SYNC, TIM8_CH1N, SPI1_SCK, SPI3_SCK/I2S3_CK, USART2_TX, TIM3_ETR, SAI1_SCK_B, EVENTOUT alternate functions. |
| 91 | PB4 | bidirectional | GPIO pin (5V tolerant, USB PD CC2 capable, JTAG pin) supporting JTRST, TIM16_CH1, TIM3_CH1, TIM8_CH2N, SPI1_MISO, SPI3_MISO, USART2_RX, TIM17_BKIN, SAI1_MCLK_B, EVENTOUT alternate functions; UCPD1_CC2 additional function. |
| 92 | PB5 | bidirectional | GPIO pin (5V tolerant, Fm+ capable) supporting TIM16_BKIN, TIM3_CH2, TIM8_CH3N, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, USART2_CK, I2C3_SDA, TIM17_CH1, LPTIM1_IN1, SAI1_SD_B, EVENTOUT alternate functions. |
| 93 | PB6 | bidirectional | GPIO pin (5V tolerant, USB PD CC1 capable) supporting TIM16_CH1N, TIM4_CH1, TIM8_CH1, TIM8_ETR, USART1_TX, COMP4_OUT, TIM8_BKIN2, LPTIM1_ETR, SAI1_FS_B, EVENTOUT alternate functions; UCPD1_CC1 additional function. |
| 94 | PB7 | bidirectional | GPIO pin (5V tolerant, Fm+ capable) supporting TIM17_CH1N, TIM4_CH2, I2C1_SDA, TIM8_BKIN, USART1_RX, COMP3_OUT, TIM3_CH4, LPTIM1_IN2, UART4_CTS, EVENTOUT alternate functions; PVD_IN additional function. |
| 95 | PB8-BOOT0 | bidirectional | GPIO pin (5V tolerant, Fm+ capable, BOOT0 pin) supporting TIM16_CH1, TIM4_CH3, SAI1_CK1, I2C1_SCL, USART3_RX, COMP1_OUT, FDCAN1_RX, TIM8_CH2, TIM1_BKIN, SAI1_MCLK_A, EVENTOUT alternate functions. |
| 96 | PB9 | bidirectional | GPIO pin (5V tolerant, Fm+ capable) supporting TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, COMP2_OUT, FDCAN1_TX, TIM8_CH3, TIM1_CH3N, SAI1_FS_A, EVENTOUT alternate functions. |
| 97 | PE0 | bidirectional | GPIO pin (5V tolerant) supporting TIM4_ETR, TIM16_CH1, USART1_TX, EVENTOUT alternate functions. |
| 98 | PE1 | bidirectional | GPIO pin (5V tolerant) supporting TIM17_CH1, USART1_RX, EVENTOUT alternate functions. |
| 99 | VSS | power_in | Ground connection. |
| 100 | VDD | power_in | Main supply voltage input; 1.71 V to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |
CAD (KiCad official)
- Symbol:
STM32G431VBT6 - Footprint:
Package_QFP:LQFP-100_14x14mm_P0.5mm - 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files:
stm32g431vbt6-etched.step/stm32g431vbt6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32g431vbt6.step/stm32g431vbt6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (200 pp, sha256
cabefb21b47dc4c1, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).