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STM32G0B1CBT6
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
markdownSTM32G0B1CBT6
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32g0b1cbt6.step/stm32g0b1cbt6.glbare 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).