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Contents

README

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STM32G0B1CBT6

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

STM32G0B1CBT6 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 PC13 bidirectional I/O pin with 5V tolerance, supporting TIM1_BKIN alternate function and RTC/tamper domain functions.
2 PC14-OSC32_IN bidirectional I/O pin with 5V tolerance, supporting TIM1_BKIN2 alternate function and 32.768 kHz oscillator input.
3 PC15-OSC32_OUT bidirectional I/O pin with 5V tolerance, supporting TIM15_BKIN alternate function and 32.768 kHz oscillator output enable.
4 VBAT power_in VBAT supply pin for RTC, TAMP, and backup registers (1.55 V to 3.6 V).
5 VREF+ power_in Analog peripheral reference voltage pin, output of VREFBUF (2.048 V or 2.5 V when enabled, 2 V to VDDA otherwise).
6 VDD/VDDA power_in VDD/VDDA power supply pin (1.7 V to 3.6 V for VDD, 1.62 V to 3.6 V for VDDA).
7 VSS/VSSA power_in VSS/VSSA ground pin, reference for all signals.
8 PF0-OSC_IN bidirectional I/O pin with 5V tolerance, supporting CRS1_SYNC, TIM14_CH1 alternate functions and 4-48 MHz oscillator input.
9 PF1-OSC_OUT bidirectional I/O pin with 5V tolerance, supporting OSC_EN and TIM15_CH1N alternate functions and oscillator output enable.
10 PF2-NRST bidirectional Bidirectional reset pin with embedded weak pull-up resistor, supporting MCO and LPUART2 alternate functions.
11 PA0 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI2, I2S2, USART2, USART4, LPTIM1, UCPD2, COMP1 functions and ADC_IN0.
12 PA1 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI1, I2S1, USART2, USART4, TIM15, I2C1 functions and ADC_IN1.
13 PA2 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI1, I2S1, USART2, UCPD1, TIM15, LPUART1, COMP2 functions and ADC_IN2.
14 PA3 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI2, I2S2, USART2, UCPD2, TIM15, LPUART1 functions and ADC_IN3.
15 PA4 bidirectional 3.6V tolerant I/O pin with analog switch, supporting SPI1, SPI2, SPI3, USB, USART6, TIM14, LPTIM2, UCPD2 functions and DAC1_OUT1, ADC_IN4.
16 PA5 bidirectional 3.6V tolerant I/O pin with analog switch, supporting SPI1, I2S1, CEC, TIM2, USART6, USART3, LPTIM2, UCPD1 functions and DAC1_OUT2, ADC_IN5.
17 PA6 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI1, I2S1, TIM3, TIM16, USART6, I2C2, I2C3, COMP1 functions and ADC_IN6.
18 PA7 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI1, I2S1, TIM3, TIM14, TIM17, UCPD1, I2C2, I2C3, COMP2 functions and ADC_IN7.
19 PB0 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI1, I2S1, TIM3, TIM1, FDCAN2, USART3, LPTIM1, UCPD1, COMP1, LPUART2 functions and ADC_IN8.
20 PB1 bidirectional 5V tolerant I/O pin with analog switch, supporting TIM14, TIM3, TIM1, FDCAN2, USART3, LPTIM2, LPUART1, COMP3, USART5 functions and ADC_IN9.
21 PB2 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI2, I2S2, MCO2, USART3, LPTIM1 functions and ADC_IN10, COMP3_INM6, COMP1_INP1.
22 PB10 bidirectional 5V tolerant I/O pin with Fast-mode+ I2C capability, supporting CEC, LPUART1, TIM2, USART3, SPI2, I2S2, I2C2, COMP1 functions and ADC_IN11.
23 PB11 bidirectional 5V tolerant I/O pin with Fast-mode+ I2C capability, supporting SPI2, I2S2, LPUART1, TIM2, USART3, I2C2, COMP2 functions and ADC_IN15.
24 PB12 bidirectional 5V tolerant I/O pin with Fast-mode+ I2C capability, supporting SPI2, I2S2, LPUART1, TIM1, FDCAN2, TIM15, UCPD2, I2C2 functions and ADC_IN16.
25 PB13 bidirectional 5V tolerant I/O pin with Fast-mode capability, supporting SPI2, I2S2, LPUART1, TIM1, FDCAN2, USART3, TIM15, I2C2 alternate functions.
26 PB14 bidirectional 5V tolerant I/O pin with Fast-mode capability, supporting SPI2, I2S2, UCPD1, TIM1, USART3, TIM15, I2C2, USART6 alternate functions.
27 PB15 bidirectional 5V tolerant I/O pin with Fast-mode capability, supporting SPI2, I2S2, TIM1, TIM15, USART6 alternate functions and UCPD1_CC2, RTC_REFIN.
28 PA8 bidirectional 5V tolerant I/O pin with Fast-mode capability, supporting MCO, SPI2, I2S2, TIM1, CRS1_SYNC, LPTIM2, I2C2 functions and UCPD1_CC1.
29 PA9 bidirectional 5V tolerant I/O pin with Fast-mode and Dead Battery support for USB Type-C, supporting MCO, USART1, TIM1, SPI2, TIM15, I2C1, I2C2 functions and UCPD1_DBCC1.
30 PC6 bidirectional 5V tolerant I/O pin, supporting UCPD1_FRSTX fast role swap, TIM3, TIM2, LPUART2 alternate functions.
31 PC7 bidirectional 5V tolerant I/O pin, supporting UCPD2_FRSTX fast role swap, TIM3, TIM2, LPUART2 alternate functions.
32 PA10 bidirectional 5V tolerant I/O pin with Fast-mode and Dead Battery support for USB Type-C, supporting SPI2, I2S2, USART1, TIM1, TIM17, I2C1, I2C2 functions and UCPD1_DBCC2.
33 PA11 bidirectional 5V tolerant I/O pin with Fast-mode capability, remappable to PA9, supporting SPI1, I2S1, USART1, TIM1, FDCAN1, I2C2, COMP1 functions and USB_DM.
34 PA12 bidirectional 5V tolerant I/O pin with Fast-mode capability, remappable to PA10, supporting SPI1, I2S1, USART1, TIM1, FDCAN1, I2C2, COMP2 functions and USB_DP.
35 PA13 bidirectional 5V tolerant I/O pin with embedded pull-up for serial wire debug (SWDIO), supporting IR_OUT, USB_NOE, LPUART2 alternate functions.
36 PA14-BOOT0 bidirectional 5V tolerant I/O pin with embedded pull-down for serial wire debug (SWCLK) and boot selection, supporting USART2, LPUART2 alternate functions.
37 PA15 bidirectional 5V tolerant I/O pin, supporting SPI1, I2S1, USART2, TIM2, MCO2, USART4, USART3, USB, I2C2, SPI3 alternate functions.
38 PD0 bidirectional 5V tolerant I/O pin with USB Type-C Power Delivery CC capability, supporting SPI2, I2S2, TIM16, FDCAN1 functions and UCPD2_CC1.
39 PD1 bidirectional 5V tolerant I/O pin with USB Type-C Dead Battery support for UCPD CC line, supporting SPI2, I2S2, TIM17, FDCAN1 functions and UCPD2_DBCC1.
40 PD2 bidirectional 5V tolerant I/O pin with USB Type-C Power Delivery CC capability, supporting USART3, TIM3, TIM1, USART5 functions and UCPD2_CC2.
41 PD3 bidirectional 5V tolerant I/O pin with USB Type-C Dead Battery support for UCPD CC line, supporting USART2, SPI2, I2S2, TIM1, USART5 functions and UCPD2_DBCC2.
42 PB3 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI1, I2S1, TIM1, TIM2, USART5, USART1, I2C3, I2C2, SPI3 functions and COMP2_INM6.
43 PB4 bidirectional 5V tolerant I/O pin with analog switch, supporting SPI1, I2S1, TIM3, USART5, USART1, TIM17, I2C3, I2C2, SPI3 functions and COMP2_INP0.
44 PB5 bidirectional 5V tolerant I/O pin, supporting SPI1, I2S1, TIM3, TIM16, FDCAN2, LPTIM1, I2C1, COMP2, USART5, SPI3 functions and WKUP6 wakeup capability.
45 PB6 bidirectional 5V tolerant I/O pin with Fast-mode+ I2C capability, supporting USART1, TIM1, TIM16, FDCAN2, SPI2, I2S2, LPTIM1, I2C1, TIM4, LPUART2 functions and COMP2_INP1.
46 PB7 bidirectional 5V tolerant I/O pin with Fast-mode+ I2C capability, supporting USART1, SPI2, I2S2, TIM17, USART4, LPTIM1, I2C1, TIM4, LPUART2 functions and COMP2_INM7, PVD_IN.
47 PB8 bidirectional 5V tolerant I/O pin with Fast-mode capability, supporting CEC, SPI2, I2S2, TIM16, FDCAN1, USART3, TIM15, I2C1, USART6, TIM4 alternate functions.
48 PB9 bidirectional 5V tolerant I/O pin with Fast-mode capability, supporting IR_OUT, UCPD2_FRSTX, TIM17, FDCAN1, USART3, SPI2, I2S2, I2C1, USART6, TIM4 alternate functions.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32G0B1CBT6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32g0b1cbt6-etched.step / stm32g0b1cbt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32g0b1cbt6.step / stm32g0b1cbt6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (159 pp, sha256 9fc2cfec9a1c8d5c, retrieved 2026-09-24, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF