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STM32G474CBT6

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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 & controllersstm32g474cbt6factory-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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STM32G474CBT6

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

STM32G474CBT6 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 battery supply voltage operating range 1.55 V to 3.6 V.
2 PC13 bidirectional Port C pin 13, 5 V tolerant I/O with RTC tamper and wakeup capability.
3 PC14-OSC32_IN bidirectional Port C pin 14, 5 V tolerant I/O configurable as 32 kHz oscillator input.
4 PC15-OSC32_OUT bidirectional Port C pin 15, 5 V tolerant I/O configurable as 32 kHz oscillator output.
5 PF0-OSC_IN bidirectional Port F pin 0, 5 V tolerant I/O with analog switch, main oscillator input.
6 PF1-OSC_OUT bidirectional Port F pin 1, 3.6 V tolerant I/O with analog switch, main oscillator output.
7 PG10-NRST bidirectional Port G pin 10, 5 V tolerant reset pin with embedded weak pull-up resistor.
8 PA0 bidirectional Port A pin 0, 3.6 V tolerant I/O with analog switch supporting ADC12_IN1 conversion.
9 PA1 bidirectional Port A pin 1, 3.6 V tolerant I/O with analog switch supporting ADC12_IN2 conversion.
10 PA2 bidirectional Port A pin 2, 5 V tolerant I/O with analog switch supporting ADC1_IN3 conversion.
11 PA3 bidirectional Port A pin 3, 3.6 V tolerant I/O with analog switch supporting ADC1_IN4 conversion.
12 PA4 bidirectional Port A pin 4, 3.6 V tolerant I/O with analog switch supporting DAC1_OUT1 and ADC2_IN17.
13 PA5 bidirectional Port A pin 5, 3.6 V tolerant I/O with analog switch supporting DAC1_OUT2 and ADC2_IN13.
14 PA6 bidirectional Port A pin 6, 3.6 V tolerant I/O with analog switch supporting DAC2_OUT1 and ADC2_IN3.
15 PA7 bidirectional Port A pin 7, 3.6 V tolerant I/O with analog switch supporting ADC2_IN4 conversion.
16 PB0 bidirectional Port B pin 0, 3.6 V tolerant I/O with analog switch supporting ADC3_IN12/ADC1_IN15.
17 PB1 bidirectional Port B pin 1, 3.6 V tolerant I/O with analog switch supporting ADC3_IN1/ADC1_IN12.
18 PB2 bidirectional Port B pin 2, 3.6 V tolerant I/O with analog switch supporting ADC2_IN12 conversion.
19 VSSA power_in Analog power ground.
20 VREF+ power_in Analog voltage reference input, 2.4 V to 3.6 V when VREFBUF is used, 0 V to 3.6 V otherwise.
21 VDDA power_in Analog power supply voltage, minimum 1.62 V for ADC or 1.8 V for DAC/OPAMP/COMP.
22 PB10 bidirectional Port B pin 10, 3.6 V tolerant I/O with analog switch supporting OPAMP3_VINM function.
23 VSS power_in Digital power ground.
24 VDD power_in Digital power supply voltage operating range 1.71 V to 3.6 V.
25 PB11 bidirectional Port B pin 11, 3.6 V tolerant I/O with analog switch supporting ADC12_IN14 conversion.
26 PB12 bidirectional Port B pin 12, 3.6 V tolerant I/O with analog switch supporting ADC4_IN3/ADC1_IN11.
27 PB13 bidirectional Port B pin 13, 3.6 V tolerant I/O with analog switch supporting ADC3_IN5 conversion.
28 PB14 bidirectional Port B pin 14, 3.6 V tolerant I/O with analog switch supporting ADC4_IN4/ADC1_IN5.
29 PB15 bidirectional Port B pin 15, 3.6 V tolerant I/O with analog switch supporting ADC4_IN5/ADC2_IN15.
30 PA8 bidirectional Port A pin 8, 5 V tolerant I/O with analog switch supporting ADC5_IN1 and OPAMP5_VOUT.
31 PA9 bidirectional Port A pin 9, 5 V tolerant I/O with USB and UCPD dead battery function for USART1_TX.
32 PA10 bidirectional Port A pin 10, 5 V tolerant I/O with USB and UCPD dead battery function for USART1_RX.
33 PA11 bidirectional Port A pin 11, 5 V tolerant I/O with USB function for FDCAN1_RX and USART1_CTS.
34 PA12 bidirectional Port A pin 12, 5 V tolerant I/O with USB function for FDCAN1_TX and USART1_RTS_DE.
35 VSS power_in Digital power ground.
36 VDD power_in Digital power supply voltage operating range 1.71 V to 3.6 V.
37 PA13 bidirectional Port A pin 13, 5 V tolerant Fm+ capable I/O for SWDIO-JTMS debug function.
38 PA14 bidirectional Port A pin 14, 5 V tolerant Fm+ capable I/O for SWCLK-JTCK debug function.
39 PA15 bidirectional Port A pin 15, 5 V tolerant Fm+ capable I/O for JTDI and SPI1_NSS with FDCAN3_TX.
40 PB3 bidirectional Port B pin 3, 5 V tolerant I/O for JTAG output TRACESWO and SPI1_SCK.
41 PB4 bidirectional Port B pin 4, 5 V tolerant I/O with USB Type-C PD capability (UCPD1_CC2) for USART2_RX.
42 PB5 bidirectional Port B pin 5, 5 V tolerant Fm+ capable I/O for SPI1_MOSI and FDCAN2_RX.
43 PB6 bidirectional Port B pin 6, 5 V tolerant I/O with USB Type-C PD capability (UCPD1_CC1) for USART1_TX.
44 PB7 bidirectional Port B pin 7, 5 V tolerant Fm+ capable I/O for USART1_RX and I2C1_SDA with PVD_IN function.
45 PB8-BOOT0 bidirectional Port B pin 8 with BOOT0 function, 5 V tolerant Fm+ capable I/O for USART3_RX and timer.
46 PB9 bidirectional Port B pin 9, 5 V tolerant Fm+ capable I/O for USART3_TX and infrared output.
47 VSS power_in Digital power ground.
48 VDD power_in Digital power supply voltage operating range 1.71 V to 3.6 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32G474CBT6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32g474cbt6-etched.step / stm32g474cbt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32g474cbt6.step / stm32g474cbt6.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 2026-09-29, 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