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STM32G474CBT6
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.
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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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32g474cbt6.step/stm32g474cbt6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (236 pp, sha256
d493fe0ab22e61ff, retrieved 2026-09-29, 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).
# 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](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886130112937984) (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](docs/stm32g474cbt6-datasheet.pdf)