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STM32G474CET6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, 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
markdownSTM32G474CET6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
STM32G474CET6 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 supply for RTC, LSE and backup registers, operating range 1.55 V to 3.6 V. |
| 2 | PC13 | bidirectional | FT I/O supplied through the power switch; in output mode limited to 2 MHz, 30 pF load, 3 mA sink, no LED drive; functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT1. |
| 3 | PC14-OSC32_IN | bidirectional | FT I/O supplied through the power switch (limited output drive); LSE oscillator input OSC32_IN. |
| 4 | PC15-OSC32_OUT | bidirectional | FT I/O supplied through the power switch (limited output drive); LSE oscillator output OSC32_OUT. |
| 5 | PF0-OSC_IN | bidirectional | FT_fa I/O with ADC1_IN10 and HSE oscillator input OSC_IN; alternate functions I2C2_SDA, SPI2_NSS/I2S2_WS, TIM1_CH3N. |
| 6 | PF1-OSC_OUT | bidirectional | FT_a I/O with ADC2_IN10, COMP3_INM and HSE oscillator output OSC_OUT; alternate function SPI2_SCK/I2S2_CK. |
| 7 | PG10-NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up (NRST); can also be used as GPIO PG10 with MCO alternate function. |
| 8 | PA0 | bidirectional | TT_a I/O with ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2 and WKUP1; alternate functions TIM2_CH1, TIM5_CH1, USART2_CTS, TIM8_ETR. |
| 9 | PA1 | bidirectional | TT_a I/O with ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP, OPAMP6_VINM; alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS_DE. |
| 10 | PA2 | bidirectional | FT_a I/O with ADC1_IN3, COMP2_INM, OPAMP1_VOUT, WKUP4/LSCO; alternate functions TIM2_CH3, USART2_TX, LPUART1_TX. |
| 11 | PA3 | bidirectional | TT_a I/O with ADC1_IN4, COMP2_INP, OPAMP1_VINM/VINP, OPAMP5_VINM; alternate functions TIM2_CH4, USART2_RX, LPUART1_RX. |
| 12 | PA4 | bidirectional | TT_a I/O with ADC2_IN17, DAC1_OUT1, COMP1_INM; alternate functions SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK. |
| 13 | PA5 | bidirectional | TT_a I/O with ADC2_IN13, DAC1_OUT2, COMP2_INM, OPAMP2_VINM; alternate functions TIM2_CH1, SPI1_SCK. |
| 14 | PA6 | bidirectional | TT_a I/O with ADC2_IN3, DAC2_OUT1, OPAMP2_VOUT; alternate functions TIM16_CH1, TIM3_CH1, SPI1_MISO, LPUART1_CTS. |
| 15 | PA7 | bidirectional | TT_a I/O with ADC2_IN4, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP; alternate functions TIM17_CH1, SPI1_MOSI, TIM1_CH1N. |
| 16 | PB0 | bidirectional | TT_a I/O with ADC3_IN12/ADC1_IN15, COMP4_INP, OPAMP2_VINP, OPAMP3_VINP; alternate functions TIM3_CH3, TIM8_CH2N, TIM1_CH2N. |
| 17 | PB1 | bidirectional | TT_a I/O with ADC3_IN1/ADC1_IN12, COMP1_INP, OPAMP3_VOUT, OPAMP6_VINM; alternate functions TIM3_CH4, COMP4_OUT, LPUART1_RTS_DE. |
| 18 | PB2 | bidirectional | TT_a I/O with ADC2_IN12, COMP4_INM, OPAMP3_VINM; alternate functions RTC_OUT2, LPTIM1_OUT, TIM5_CH1, I2C3_SMBA. |
| 19 | VSSA | power_in | Analog ground; must always be connected to the external supply ground. |
| 20 | VREF+ | power_in | Positive voltage reference for ADC/DAC/comparators, also VREFBUF_OUT; VREF+ - VDDA must not exceed 0.4 V. |
| 21 | VDDA | power_in | Analog supply, 1.62 V min with ADC, 1.8 V min with DAC/OPAMP/COMP, 2.4 V min with VREFBUF, 3.6 V max. |
| 22 | PB10 | bidirectional | TT_a I/O with COMP5_INM, OPAMP3_VINM, OPAMP4_VINM; alternate functions TIM2_CH3, USART3_TX, LPUART1_RX, QUADSPI1_CLK. |
| 23 | VSS | power_in | Digital ground; must always be connected to the external supply ground. |
| 24 | VDD | power_in | Digital supply, 1.71 V to 3.6 V, to be decoupled with 100 nF ceramic capacitors plus 4.7 µF. |
| 25 | PB11 | bidirectional | TT_a I/O with ADC12_IN14, COMP6_INP, OPAMP4_VINP, OPAMP6_VOUT; alternate functions TIM2_CH4, USART3_RX, LPUART1_TX. |
| 26 | PB12 | bidirectional | TT_a I/O with ADC4_IN3/ADC1_IN11, COMP7_INM, OPAMP4_VOUT, OPAMP6_VINP; alternate functions SPI2_NSS/I2S2_WS, USART3_CK, FDCAN2_RX. |
| 27 | PB13 | bidirectional | TT_a I/O with ADC3_IN5, COMP5_INP, OPAMP3_VINP, OPAMP4_VINP, OPAMP6_VINP; alternate functions SPI2_SCK/I2S2_CK, USART3_CTS, FDCAN2_TX. |
| 28 | PB14 | bidirectional | TT_a I/O with ADC4_IN4/ADC1_IN5, COMP7_INP, OPAMP2_VINP, OPAMP5_VINP; alternate functions TIM15_CH1, SPI2_MISO, USART3_RTS_DE. |
| 29 | PB15 | bidirectional | TT_a I/O with ADC4_IN5/ADC2_IN15, COMP6_INM, OPAMP5_VINM; alternate functions RTC_REFIN, TIM15_CH2, SPI2_MOSI/I2S2_SD. |
| 30 | PA8 | bidirectional | FT_a I/O with ADC5_IN1, OPAMP5_VOUT; alternate functions MCO, I2C3_SCL, TIM1_CH1, USART1_CK. |
| 31 | PA9 | bidirectional | FT_fda I/O with ADC5_IN2 and UCPD1_DBCC1; alternate functions I2C3_SMBA, I2C2_SCL, TIM1_CH2, USART1_TX. |
| 32 | PA10 | bidirectional | FT_fda I/O with UCPD1_DBCC2; alternate functions TIM17_BKIN, USB_CRS_SYNC, TIM1_CH3, USART1_RX. |
| 33 | PA11 | bidirectional | FT_u I/O with USB_DM; alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, FDCAN1_RX. |
| 34 | PA12 | bidirectional | FT_u I/O with USB_DP; alternate functions TIM16_CH1, TIM1_CH2N, USART1_RTS_DE, FDCAN1_TX. |
| 35 | VSS | power_in | Digital ground; must always be connected to the external supply ground. |
| 36 | VDD | power_in | Digital supply, 1.71 V to 3.6 V, to be decoupled with 100 nF ceramic capacitors plus 4.7 µF. |
| 37 | PA13 | bidirectional | FT_f I/O, SWDIO-JTMS after reset with internal pull-up active; alternate functions TIM16_CH1N, I2C4_SCL, I2C1_SCL, IR_OUT. |
| 38 | PA14 | bidirectional | FT_f I/O, SWCLK-JTCK after reset with internal pull-down active; alternate functions LPTIM1_OUT, I2C4_SMBA, I2C1_SDA, USART2_TX. |
| 39 | PA15 | bidirectional | FT_f I/O, JTDI after reset with internal pull-up active; alternate functions TIM2_CH1, I2C1_SCL, SPI1_NSS, USART2_RX. |
| 40 | PB3 | bidirectional | FT I/O, JTDO-TRACESWO after reset; alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK/I2S3_CK, USART2_TX. |
| 41 | PB4 | bidirectional | FT_c I/O with UCPD1_CC2, JTRST after reset with internal pull-up active; alternate functions TIM16_CH1, TIM3_CH1, SPI1_MISO, USART2_RX. |
| 42 | PB5 | bidirectional | FT_f I/O; alternate functions TIM16_BKIN, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, USART2_CK, FDCAN2_RX. |
| 43 | PB6 | bidirectional | FT_c I/O with UCPD1_CC1; alternate functions TIM16_CH1N, TIM4_CH1, USART1_TX, FDCAN2_TX. |
| 44 | PB7 | bidirectional | FT_f I/O with PVD_IN; alternate functions TIM17_CH1N, TIM4_CH2, I2C4_SDA, I2C1_SDA, USART1_RX. |
| 45 | PB8-BOOT0 | bidirectional | FT_f I/O doubling as BOOT0 pin; set to a mode other than analog after startup to limit consumption if left unconnected. |
| 46 | PB9 | bidirectional | FT_f I/O; alternate functions TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, FDCAN1_TX. |
| 47 | VSS | power_in | Digital ground; must always be connected to the external supply ground. |
| 48 | VDD | power_in | Digital supply, 1.71 V to 3.6 V, to be decoupled with 100 nF ceramic capacitors plus 4.7 µF. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
STM32G474CET6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32g474cet6-etched.step/stm32g474cet6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32g474cet6.step/stm32g474cet6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (236 pp, sha256
d493fe0ab22e61ff, retrieved 2026-10-01, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).