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STM32G031C8T6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). 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
markdownSTM32G031C8T6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
STM32G031C8T6 from STMicroelectronics, in a LQFP-48(7x7). 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 | PC13 | bidirectional | 5V-tolerant general-purpose I/O also usable as TIM1_BK break input, TAMP_IN1 tamper input, RTC_TS timestamp input, RTC_OUT1 calendar output, or WKUP2 wakeup source. |
| 2 | PC14-OSC32_IN | bidirectional | 5V-tolerant I/O that defaults to PC14 and can be configured as TIM1_BK2 break input or as OSC32_IN input for the 32.768 kHz LSE crystal oscillator. |
| 3 | PC15-OSC32_OUT | bidirectional | 5V-tolerant I/O that can be configured as OSC32_EN/OSC_EN oscillator enable or as OSC32_OUT output for the 32.768 kHz LSE crystal oscillator. |
| 4 | VBAT | power_in | Backup battery supply input for the RTC, LSE oscillator and backup registers, accepting 1.55 V to 3.6 V when VDD is not present. |
| 5 | VREF+ | power_in | Positive reference voltage pin for the ADC, or output of the internal VREFBUF reference buffer (2.048 V or 2.5 V); must equal VDDA when VDDA < 2 V or be between 2 V and VDDA when VDDA ≥ 2 V. |
| 6 | VDD/VDDA | power_in | Main digital and analog supply input, requiring 1.7 V (1.6 V minimum) to 3.6 V for VDD and 1.62 V to 3.6 V for VDDA ADC operation. |
| 7 | VSS/VSSA | power_in | Common digital and analog ground reference pin. |
| 8 | PF0-OSC_IN | bidirectional | 5V-tolerant I/O that defaults to PF0 and can be configured as TIM14_CH1 or as OSC_IN input for the 4-48 MHz HSE crystal oscillator. |
| 9 | PF1-OSC_OUT | bidirectional | 5V-tolerant I/O that can be configured as OSC_EN oscillator enable or as OSC_OUT output for the 4-48 MHz HSE crystal oscillator. |
| 10 | PF2-NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor, also usable as MCO clock output, driven low (VIL(NRST) ≤0.3×VDDIO1) to reset the device. |
| 11 | PA0 | bidirectional | 5V-tolerant fast I/O (FT_a) usable as SPI2_SCK, USART2_CTS, TIM2_CH1_ETR, LPTIM1_OUT, ADC_IN0 analog input, TAMP_IN2 tamper input, or WKUP1 wakeup source. |
| 12 | PA1 | bidirectional | 5V-tolerant I/O (FT_ea, Fm+/analog-switch capable) usable as SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, TIM2_CH2, I2C1_SMBA, EVENTOUT, or ADC_IN1 analog input. |
| 13 | PA2 | bidirectional | 5V-tolerant fast I/O (FT_a) usable as SPI1_MOSI/I2S1_SD, USART2_TX, TIM2_CH3, LPUART1_TX, ADC_IN2 analog input, WKUP4 wakeup source, or LSCO low-speed clock output. |
| 14 | PA3 | bidirectional | 5V-tolerant I/O (FT_ea) usable as SPI2_MISO, USART2_RX, TIM2_CH4, LPUART1_RX, EVENTOUT, or ADC_IN3 analog input. |
| 15 | PA4 | bidirectional | 5V-tolerant fast I/O (FT_a) usable as SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, LPTIM2_OUT, EVENTOUT, ADC_IN4 analog input, or RTC_OUT2 calendar output. |
| 16 | PA5 | bidirectional | 5V-tolerant I/O (FT_ea) usable as SPI1_SCK/I2S1_CK, TIM2_CH1_ETR, LPTIM2_ETR, EVENTOUT, or ADC_IN5 analog input. |
| 17 | PA6 | bidirectional | 5V-tolerant I/O (FT_ea) usable as SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BK, TIM16_CH1, LPUART1_CTS, or ADC_IN6 analog input. |
| 18 | PA7 | bidirectional | 5V-tolerant fast I/O (FT_a) usable as SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1, TIM17_CH1, or ADC_IN7 analog input. |
| 19 | PB0 | bidirectional | 5V-tolerant I/O (FT_ea) usable as SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N, LPTIM1_OUT, or ADC_IN8 analog input. |
| 20 | PB1 | bidirectional | 5V-tolerant I/O (FT_ea) usable as TIM14_CH1, TIM3_CH4, TIM1_CH3N, LPTIM2_IN1, LPUART1_RTS_DE, EVENTOUT, or ADC_IN9 analog input. |
| 21 | PB2 | bidirectional | 5V-tolerant I/O (FT_ea) usable as SPI2_MISO, LPTIM1_OUT, EVENTOUT, or ADC_IN10 analog input. |
| 22 | PB10 | bidirectional | 5V-tolerant Fm+ I/O (FT_fa) usable as LPUART1_RX, TIM2_CH3, SPI2_SCK, I2C2_SCL, or ADC_IN11 analog input. |
| 23 | PB11 | bidirectional | 5V-tolerant Fm+ I/O (FT_fa) usable as SPI2_MOSI, LPUART1_TX, TIM2_CH4, I2C2_SDA, or ADC_IN15 analog input. |
| 24 | PB12 | bidirectional | 5V-tolerant fast I/O (FT_a) usable as SPI2_NSS, LPUART1_RTS_DE, TIM1_BK, EVENTOUT, or ADC_IN16 analog input. |
| 25 | PB13 | bidirectional | 5V-tolerant Fm+ I/O (FT_f) usable as SPI2_SCK, LPUART1_CTS, TIM1_CH1N, I2C2_SCL, or EVENTOUT. |
| 26 | PB14 | bidirectional | 5V-tolerant Fm+ I/O (FT_f) usable as SPI2_MISO, TIM1_CH2N, I2C2_SDA, or EVENTOUT. |
| 27 | PB15 | bidirectional | 5V-tolerant I/O usable as SPI2_MOSI, TIM1_CH3N, EVENTOUT, or RTC_REFIN reference clock input for calendar calibration. |
| 28 | PA8 | bidirectional | 5V-tolerant I/O usable as MCO clock output, SPI2_NSS, TIM1_CH1, LPTIM2_OUT, or EVENTOUT. |
| 29 | PA9 | bidirectional | 5V-tolerant Fm+ I/O (FT_f) usable as MCO clock output, USART1_TX, TIM1_CH2, SPI2_MISO, I2C1_SCL, or EVENTOUT. |
| 30 | PC6 | bidirectional | 5V-tolerant I/O usable as TIM3_CH1 or TIM2_CH3 timer input capture/output compare. |
| 31 | PC7 | bidirectional | 5V-tolerant I/O usable as TIM3_CH2 or TIM2_CH4 timer input capture/output compare. |
| 32 | PA10 | bidirectional | 5V-tolerant Fm+ I/O (FT_f) usable as SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BK, I2C1_SDA, or EVENTOUT. |
| 33 | PA11 [PA9] | bidirectional | 5V-tolerant Fm+ I/O (FT_f, remappable to PA9) usable as SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BK2, or I2C2_SCL. |
| 34 | PA12 [PA10] | bidirectional | 5V-tolerant Fm+ I/O (FT_f, remappable to PA10) usable as SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, or I2C2_SDA. |
| 35 | PA13 | bidirectional | 5V-tolerant I/O (FT_ea) usable as SWDIO serial-wire debug data, IR_OUT, EVENTOUT, or ADC_IN17 analog input. |
| 36 | PA14-BOOT0 | bidirectional | 5V-tolerant fast I/O (FT_a) usable as SWCLK serial-wire debug clock, USART2_TX, EVENTOUT, ADC_IN18 analog input, or BOOT0 boot-mode selection. |
| 37 | PA15 | bidirectional | 5V-tolerant I/O usable as SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR, or EVENTOUT. |
| 38 | PD0 | bidirectional | 5V-tolerant I/O usable as EVENTOUT, SPI2_NSS, or TIM16_CH1. |
| 39 | PD1 | bidirectional | 5V-tolerant I/O usable as EVENTOUT, SPI2_SCK, or TIM17_CH1. |
| 40 | PD2 | bidirectional | 5V-tolerant I/O usable as TIM3_ETR or TIM1_CH1N. |
| 41 | PD3 | bidirectional | 5V-tolerant I/O usable as USART2_CTS, SPI2_MISO, or TIM1_CH2N. |
| 42 | PB3 | bidirectional | 5V-tolerant I/O usable as SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2, USART1_RTS_DE_CK, or EVENTOUT. |
| 43 | PB4 | bidirectional | 5V-tolerant I/O usable as SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS, TIM17_BK, or EVENTOUT. |
| 44 | PB5 | bidirectional | 5V-tolerant I/O usable as SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BK, LPTIM1_IN1, I2C1_SMBA, or WKUP6 wakeup source. |
| 45 | PB6 | bidirectional | 5V-tolerant Fm+ I/O (FT_f) usable as USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, LPTIM1_ETR, I2C1_SCL, or EVENTOUT. |
| 46 | PB7 | bidirectional | 5V-tolerant Fm+ I/O (FT_f) usable as USART1_RX, SPI2_MOSI, TIM17_CH1N, LPTIM1_IN2, I2C1_SDA, EVENTOUT, or PVD_IN programmable voltage detector input. |
| 47 | PB8 | bidirectional | 5V-tolerant Fm+ I/O (FT_f) usable as SPI2_SCK, TIM16_CH1, I2C1_SCL, or EVENTOUT. |
| 48 | PB9 | bidirectional | 5V-tolerant Fm+ I/O (FT_f) usable as IR_OUT, TIM17_CH1, SPI2_NSS, I2C1_SDA, or EVENTOUT. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
STM32G031C8T6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32g031c8t6-etched.step/stm32g031c8t6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32g031c8t6.step/stm32g031c8t6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (117 pp, sha256
95ae804dbf135590, retrieved 2026-09-23, 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).