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STM32G474MET6

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-80(12x12). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

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STM32G474MET6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-80(12x12)

STM32G474MET6 from STMicroelectronics, in a LQFP-80(12x12). 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-domain supply for the RTC and backup registers, specified from 1.55 V to 3.6 V.
2 PC13 bidirectional FT (5 V tolerant) GPIO with RTC/tamper functions WKUP2, RTC_TAMP1, RTC_TS and RTC_OUT1; it is supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz with 30 pF and it must not drive LEDs or act as a current source.
3 PC14-OSC32_IN bidirectional FT (5 V tolerant) GPIO that serves as the 32 kHz oscillator input OSC32_IN, with the same power-switch current limit as PC13.
4 PC15-OSC32_OUT bidirectional FT (5 V tolerant) GPIO that serves as the 32 kHz oscillator output OSC32_OUT, with the same power-switch current limit as PC13.
5 PF0-OSC_IN bidirectional FT_fa I/O (Fm+ capable, analog switch supplied by VDDA) that serves as the main oscillator input OSC_IN, with alternates I2C2_SDA, SPI2_NSS/I2S2_WS, TIM1_CH3N and ADC1_IN10.
6 PF1-OSC_OUT bidirectional FT_a I/O (analog switch supplied by VDDA) that serves as the main oscillator output OSC_OUT, with alternate SPI2_SCK/I2S2_CK and additional functions ADC2_IN10, COMP3_INM.
7 PG10-NRST bidirectional Bidirectional reset pin NRST with an embedded weak pull-up resistor, also usable as an FT I/O with alternate MCO.
8 PC0 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates LPTIM1_IN1, TIM1_CH1, LPUART1_RX and additional function ADC12_IN6, COMP3_INM.
9 PC1 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates LPTIM1_OUT, TIM1_CH2, LPUART1_TX, QUADSPI1_BK2_IO0 and SAI1_SD_A, and additional functions ADC12_IN7, COMP3_INP.
10 PC2 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates LPTIM1_IN2, TIM1_CH3, COMP3_OUT, TIM20_CH2, QUADSPI1_BK2_IO1 and additional function ADC12_IN8.
11 PC3 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates LPTIM1_ETR, TIM1_CH4, SAI1_D1, TIM1_BKIN2, QUADSPI1_BK2_IO2 and SAI1_SD_A, and additional functions ADC12_IN9, OPAMP5_VINP.
12 PA0 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH1, TIM5_CH1, USART2_CTS, COMP1_OUT, TIM8_BKIN, TIM8_ETR and TIM2_ETR, and additional functions ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2 and WKUP1.
13 PA1 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates RTC_REFIN, TIM2_CH2, TIM5_CH2, USART2_RTS_DE and TIM15_CH1N, and additional functions ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP and OPAMP6_VINM.
14 PA2 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM2_CH3, TIM5_CH3, USART2_TX, COMP2_OUT, TIM15_CH1, QUADSPI1_BK1_NCS, LPUART1_TX and UCPD1_FRSTX, and additional functions ADC1_IN3, COMP2_INM, OPAMP1_VOUT and WKUP4/LSCO.
15 VSS power_in Ground pin; all VSS pins must be connected to the external ground within the permitted range.
16 VDD power_in Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors.
17 PA3 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH4, TIM5_CH4, SAI1_CK1, USART2_RX, TIM15_CH2, QUADSPI1_CLK, LPUART1_RX and SAI1_MCLK_A, and additional functions ADC1_IN4, COMP2_INP, OPAMP1_VINM/OPAMP1_VINP and OPAMP5_VINM.
18 PA4 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK and SAI1_FS_B, and additional functions ADC2_IN17, DAC1_OUT1 and COMP1_INM.
19 PA5 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH1, TIM2_ETR, SPI1_SCK and UCPD1_FRSTX, and additional functions ADC2_IN13, DAC1_OUT2, COMP2_INM and OPAMP2_VINM.
20 PA6 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM1_BKIN, COMP1_OUT, QUADSPI1_BK1_IO3 and LPUART1_CTS, and additional functions ADC2_IN3, DAC2_OUT1 and OPAMP2_VOUT.
21 PA7 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, TIM1_CH1N, COMP2_OUT, QUADSPI1_BK1_IO2 and UCPD1_FRSTX, and additional functions ADC2_IN4, COMP2_INP, OPAMP1_VINP and OPAMP2_VINP.
22 PC4 bidirectional FT_fa I/O (Fm+ capable, analog switch supplied by VDDA) with alternates TIM1_ETR, I2C2_SCL, USART1_TX and QUADSPI1_BK2_IO3, and additional function ADC2_IN5.
23 PC5 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM15_BKIN, SAI1_D3, TIM1_CH4N, USART1_RX and HRTIM1_EEV10, and additional functions ADC2_IN11, OPAMP1_VINM, OPAMP2_VINM and WKUP5.
24 PB0 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM3_CH3, TIM8_CH2N, TIM1_CH2N, QUADSPI1_BK1_IO1, HRTIM1_FLT5 and UCPD1_FRSTX, and additional functions ADC3_IN12/ADC1_IN15, COMP4_INP, OPAMP2_VINP and OPAMP3_VINP.
25 PB1 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM3_CH4, TIM8_CH3N, TIM1_CH3N, COMP4_OUT, QUADSPI1_BK1_IO0, LPUART1_RTS_DE and HRTIM1_SCOUT, and additional functions ADC3_IN1/ADC1_IN12, COMP1_INP, OPAMP3_VOUT and OPAMP6_VINM.
26 PB2 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates RTC_OUT2, LPTIM1_OUT, TIM5_CH1, TIM20_CH1, I2C3_SMBA, QUADSPI1_BK2_IO1 and HRTIM1_SCIN, and additional functions ADC2_IN12, COMP4_INM and OPAMP3_VINM.
27 VSSA power_in Analog ground pin for the ADC, DAC, OPAMP, COMP and VREFBUF blocks, which must be connected to the external ground.
28 VREF+ power_in Positive voltage reference input/output for the ADC and DAC (listed with VREFBUF_OUT); VREF+ can be internally connected to VDDA depending on the package, and VREF+ must not exceed VDDA by more than 0.4 V.
29 VDDA power_in Analog supply: 1.62 V minimum for the ADC, 1.8 V minimum for DAC, OPAMP and COMP, 2.4 V minimum when VREFBUF is used, up to 3.6 V.
30 PE7 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM1_ETR, FMC_D4 and SAI1_SD_B, and additional functions ADC3_IN4 and COMP4_INP.
31 PE8 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM5_CH3, TIM1_CH1N, FMC_D5 and SAI1_SCK_B, and additional functions ADC345_IN6 and COMP4_INM.
32 PE9 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM5_CH4, TIM1_CH1, FMC_D6 and SAI1_FS_B, and additional function ADC3_IN2.
33 PE10 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH2N, QUADSPI1_CLK, FMC_D7 and SAI1_MCLK_B, and additional function ADC345_IN14.
34 PE11 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH2, SPI4_NSS, QUADSPI1_BK1_NCS and FMC_D8, and additional function ADC345_IN15.
35 PE12 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH3N, SPI4_SCK, QUADSPI1_BK1_IO0 and FMC_D9, and additional function ADC345_IN16.
36 PE13 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH3, SPI4_MISO, QUADSPI1_BK1_IO1 and FMC_D10, and additional function ADC3_IN3.
37 PE14 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH4, SPI4_MOSI, TIM1_BKIN2, QUADSPI1_BK1_IO2 and FMC_D11, and additional function ADC4_IN1.
38 PE15 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_BKIN, TIM1_CH4N, USART3_RX, QUADSPI1_BK1_IO3 and FMC_D12, and additional function ADC4_IN2.
39 PB10 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH3, USART3_TX, LPUART1_RX, QUADSPI1_CLK, TIM1_BKIN, HRTIM1_FLT3 and SAI1_SCK_A, and additional functions COMP5_INM, OPAMP3_VINM and OPAMP4_VINM.
40 VSS power_in Ground pin; all VSS pins must be connected to the external ground within the permitted range.
41 VDD power_in Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors.
42 PB11 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH4, USART3_RX, LPUART1_TX, QUADSPI1_BK1_NCS and HRTIM1_FLT4, and additional functions ADC12_IN14, COMP6_INP, OPAMP4_VINP and OPAMP6_VOUT.
43 PB12 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM5_ETR, I2C2_SMBA, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK, LPUART1_RTS_DE, FDCAN2_RX and HRTIM1_CHC1, and additional functions ADC4_IN3/ADC1_IN11, COMP7_INM, OPAMP4_VOUT and OPAMP6_VINP.
44 PB13 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS, LPUART1_CTS, FDCAN2_TX and HRTIM1_CHC2, and additional functions ADC3_IN5, COMP5_INP, OPAMP3_VINP, OPAMP4_VINP and OPAMP6_VINP.
45 PB14 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM15_CH1, SPI2_MISO, TIM1_CH2N, USART3_RTS_DE, COMP4_OUT and HRTIM1_CHD1, and additional functions ADC4_IN4/ADC1_IN5, COMP7_INP, OPAMP2_VINP and OPAMP5_VINP.
46 PB15 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates RTC_REFIN, TIM15_CH2, TIM15_CH1N, COMP3_OUT, TIM1_CH3N, SPI2_MOSI/I2S2_SD and HRTIM1_CHD2, and additional functions ADC4_IN5/ADC2_IN15, COMP6_INM and OPAMP5_VINM.
47 PD8 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates USART3_TX and FMC_D13, and additional functions ADC4_IN12/ADC5_IN12 and OPAMP4_VINM.
48 PD9 bidirectional TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates USART3_RX and FMC_D14, and additional functions ADC4_IN13/ADC5_IN13 and OPAMP6_VINP.
49 PD10 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates USART3_CK and FMC_D15, and additional functions ADC345_IN7 and COMP6_INM.
50 VSS power_in Ground pin; all VSS pins must be connected to the external ground within the permitted range.
51 VDD power_in Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors.
52 PC6 bidirectional FT_f I/O (Fm+ capable) with alternates TIM3_CH1, HRTIM1_EEV10, TIM8_CH1, I2S2_MCK, COMP6_OUT, I2C4_SCL and HRTIM1_CHF1.
53 PC7 bidirectional FT_f I/O (Fm+ capable) with alternates TIM3_CH2, HRTIM1_FLT5, TIM8_CH2, I2S3_MCK, COMP5_OUT, I2C4_SDA and HRTIM1_CHF2.
54 PC8 bidirectional FT_f I/O (Fm+ capable) with alternates TIM3_CH3, HRTIM1_CHE1, TIM8_CH3, TIM20_CH3, COMP7_OUT and I2C3_SCL.
55 PC9 bidirectional FT_f I/O (Fm+ capable) with alternates TIM3_CH4, HRTIM1_CHE2, TIM8_CH4, I2SCKIN, TIM8_BKIN2 and I2C3_SDA.
56 PA8 bidirectional FT_a I/O (analog switch supplied by VDDA) with alternates MCO, I2C3_SCL, I2C2_SDA, I2S2_MCK, TIM1_CH1, USART1_CK, COMP7_OUT, TIM4_ETR, FDCAN3_RX, SAI1_CK2, HRTIM1_CHA1 and SAI1_SCK_A, and additional functions ADC5_IN1 and OPAMP5_VOUT.
57 PA9 bidirectional FT_fda I/O (Fm+ capable, analog switch supplied by VDDA, USB Type-C dead-battery function) with alternates I2C3_SMBA, I2C2_SCL, I2S3_MCK, TIM1_CH2, USART1_TX, OMP5_OUT (as printed), TIM15_BKIN, TIM2_CH3, HRTIM1_CHA2 and SAI1_FS_A, and additional functions ADC5_IN2 and UCPD1_DBCC1.
58 PA10 bidirectional FT_fda I/O (Fm+ capable, analog switch supplied by VDDA, USB Type-C dead-battery function) with alternates TIM17_BKIN, USB_CRS_SYNC, I2C2_SMBA, SPI2_MISO, TIM1_CH3, USART1_RX, COMP6_OUT, TIM2_CH4, TIM8_BKIN, SAI1_D1, HRTIM1_CHB1 and SAI1_SD_A, and additional function UCPD1_DBCC2.
59 PA11 bidirectional FT_u I/O (USB function) with alternates SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, COMP1_OUT, FDCAN1_RX, TIM4_CH1, TIM1_CH4, TIM1_BKIN2 and HRTIM1_CHB2, and additional function USB_DM.
60 PA12 bidirectional FT_u I/O (USB function) with alternates TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT, FDCAN1_TX, TIM4_CH2, TIM1_ETR and HRTIM1_FLT1, and additional function USB_DP.
61 VSS power_in Ground pin; all VSS pins must be connected to the external ground within the permitted range.
62 VDD power_in Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors.
63 PA13 bidirectional FT_f I/O (Fm+ capable) that after reset is the SWDIO/JTMS debug function with an internal pull-up enabled (footnote 4), with alternates TIM16_CH1N, I2C4_SCL, I2C1_SCL, IR_OUT, USART3_CTS, TIM4_CH3 and SAI1_SD_B.
64 PA14 bidirectional FT_f I/O (Fm+ capable) that after reset is the SWCLK/JTCK debug function with an internal pull-down enabled (footnote 4), with alternates LPTIM1_OUT, I2C4_SMBA, I2C1_SDA, TIM8_CH2, TIM1_BKIN, USART2_TX and SAI1_FS_B.
65 PA15 bidirectional FT_f I/O (Fm+ capable) that after reset is the JTDI debug function with an internal pull-up enabled (footnote 4), with alternates TIM2_CH1, TIM8_CH1, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX, UART4_RTS_DE, TIM1_BKIN, FDCAN3_TX, HRTIM1_FLT2 and TIM2_ETR.
66 PC10 bidirectional FT I/O with alternates TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX and HRTIM1_FLT6.
67 PC11 bidirectional FT_f I/O (Fm+ capable) with alternates HRTIM1_EEV2, TIM8_CH2N, UART4_RX, SPI3_MISO, USART3_RX and I2C3_SDA.
68 PC12 bidirectional FT I/O with alternates TIM5_CH2, HRTIM1_EEV1, TIM8_CH3N, UART5_TX, SPI3_MOSI/I2S3_SD, USART3_CK and UCPD1_FRSTX.
69 PD0 bidirectional FT I/O with alternates TIM8_CH4N, FDCAN1_RX and FMC_D2.
70 PD1 bidirectional FT I/O with alternates TIM8_CH4, TIM8_BKIN2, FDCAN1_TX and FMC_D3.
71 PD2 bidirectional FT I/O with alternates TIM3_ETR, TIM8_BKIN and UART5_RX.
72 PB3 bidirectional FT I/O that after reset is the JTDO/TRACESWO debug function (footnote 4), with alternates TIM2_CH2, TIM4_ETR, UCPD1_CRS_SYNC, TIM8_CH1N, SPI1_SCK, SPI3_SCK/I2S3_CK, USART2_TX, TIM3_ETR, FDCAN3_RX, HRTIM1_SCOUT, HRTIM1_EEV9 and SAI1_SCK_B.
73 PB4 bidirectional FT_c I/O (USB Type-C PD capable) that after reset is the JTRST debug function with an internal pull-up enabled (footnote 4), with alternates TIM16_CH1, TIM3_CH1, TIM8_CH2N, SPI1_MISO, SPI3_MISO, USART2_RX, UART5_RTS_DE, TIM17_BKIN, FDCAN3_TX, HRTIM1_EEV7 and SAI1_MCLK_B, and additional function UCPD1_CC2.
74 PB5 bidirectional FT_f I/O (Fm+ capable) with alternates TIM16_BKIN, TIM3_CH2, TIM8_CH3N, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, USART2_CK, I2C3_SDA, FDCAN2_RX, TIM17_CH1, LPTIM1_IN1, SAI1_SD_B, HRTIM1_EEV6 and UART5_CTS.
75 PB6 bidirectional FT_c I/O (USB Type-C PD capable) with alternates TIM16_CH1N, TIM4_CH1, TIM8_CH1, TIM8_ETR, USART1_TX, COMP4_OUT, FDCAN2_TX, TIM8_BKIN2, LPTIM1_ETR, HRTIM1_SCIN, HRTIM1_EEV4 and SAI1_FS_B, and additional function UCPD1_CC1.
76 PB7 bidirectional FT_f I/O (Fm+ capable) with alternates TIM17_CH1N, TIM4_CH2, I2C4_SDA, I2C1_SDA, TIM8_BKIN, USART1_RX, COMP3_OUT, TIM3_CH4, LPTIM1_IN2, FMC_NL, HRTIM1_EEV3 and UART4_CTS, and additional function PVD_IN.
77 PB8-BOOT0 bidirectional FT_f I/O (Fm+ capable) that also carries the BOOT0 function; per footnote 5 it should be set to a non-analog mode after startup if left unconnected to limit consumption, with alternates TIM16_CH1, TIM4_CH3, SAI1_CK1, I2C1_SCL, USART3_RX, COMP1_OUT, FDCAN1_RX, TIM8_CH2, TIM1_BKIN, HRTIM1_EEV8 and SAI1_MCLK_A.
78 PB9 bidirectional FT_f I/O (Fm+ capable) with alternates TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, COMP2_OUT, FDCAN1_TX, TIM8_CH3, TIM1_CH3N, HRTIM1_EEV5 and SAI1_FS_A.
79 VSS power_in Ground pin; all VSS pins must be connected to the external ground within the permitted range.
80 VDD power_in Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-80(12x12)
Category Embedded Processors & Controllers
Pins 80

CAD (KiCad official)

  • Symbol: STM32G474MET6
  • Footprint: Package_QFP:LQFP-80_12x12mm_P0.5mm
  • 3D model: LQFP-80(12x12) (KiCad packages3D, STEP)
  • 3D model files: stm32g474met6-etched.step / stm32g474met6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32g474met6.step / stm32g474met6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (236 pp, sha256 d493fe0ab22e61ff, retrieved 2026-10-08, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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).

Datasheet PDF