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STM32G051C8T6
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
markdownSTM32G051C8T6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
STM32G051C8T6 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 | 5 V-tolerant (FT) I/O supplied through the RTC power switch, which sinks only 3 mA, so output use is limited to 2 MHz at 30 pF and it must not source current such as an LED. |
| 2 | PC14-OSC32_IN | bidirectional | 5 V-tolerant (FT) I/O on the RTC power switch with the same 3 mA, 2 MHz / 30 pF output limits as PC13, and alternate function OSC32_IN for the 32.768 kHz LSE crystal input. |
| 3 | PC15-OSC32_OUT | bidirectional | 5 V-tolerant (FT) I/O on the RTC power switch with the same output limits as PC13, and OSC32_OUT as the LSE 32.768 kHz crystal output. |
| 4 | VBAT | power_in | Power supply for the RTC, TAMP, the 32.768 kHz oscillator and backup registers when VDD is not present, specified at 1.55 V to 3.6 V. |
| 5 | VREF+ | power_in | Analog peripheral reference voltage input, or the output of the internal voltage reference buffer when enabled; when VDDA < 2 V it must equal VDDA, and when VDDA ≥ 2 V it must be between 2 V and VDDA. |
| 6 | VDD/VDDA | power_in | Main supply for the internal regulator, I/Os and analog blocks, specified at 1.7 V to 3.6 V (VDDA minimum 1.62 V for ADC and COMP). |
| 7 | VSS/VSSA | power_in | Ground reference for digital and analog circuits. |
| 8 | PF0-OSC_IN | bidirectional | 5 V-tolerant (FT) I/O with alternate function TIM14_CH1 and OSC_IN as the HSE crystal input. |
| 9 | PF1-OSC_OUT | bidirectional | 5 V-tolerant (FT) I/O with OSC_OUT as the HSE crystal output and alternate functions OSC_EN and TIM15_CH1N. |
| 10 | PF2-NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up whose default function is NRST; when used in this mode, other I/Os connected to it must be configured with care. |
| 11 | PA0 | bidirectional | 5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN0, COMP1_INM8 and wakeup pin WKUP1. |
| 12 | PA1 | bidirectional | 5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN1 and COMP1_INP2. |
| 13 | PA2 | bidirectional | 5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN2, COMP2_INM8, wakeup pin WKUP4 and LSCO output. |
| 14 | PA3 | bidirectional | 5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN3 and COMP2_INP2. |
| 15 | PA4 | bidirectional | 5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN4, DAC1_OUT1 analog output and RTC_OUT2. |
| 16 | PA5 | bidirectional | 5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN5 and DAC1_OUT2 analog output. |
| 17 | PA6 | bidirectional | 5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN6 and alternate function COMP1_OUT. |
| 18 | PA7 | bidirectional | 5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN7 and alternate function COMP2_OUT. |
| 19 | PB0 | bidirectional | 5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN8 and alternate function COMP1_OUT. |
| 20 | PB1 | bidirectional | 5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN9 and COMP1_INM6. |
| 21 | PB2 | bidirectional | 5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN10 and COMP1_INP1. |
| 22 | PB10 | bidirectional | 5 V-tolerant (FT_fa) I/O, Fm+ capable and with analog switch function, also ADC_IN11 and alternate function COMP1_OUT. |
| 23 | PB11 | bidirectional | 5 V-tolerant (FT_fa) I/O, Fm+ capable and with analog switch function, also ADC_IN15 and alternate function COMP2_OUT. |
| 24 | PB12 | bidirectional | 5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN16 and alternate functions SPI2_NSS, LPUART1_RTS_DE and TIM1_BKIN. |
| 25 | PB13 | bidirectional | 5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions SPI2_SCK, LPUART1_CTS, TIM1_CH1N and I2C2_SCL. |
| 26 | PB14 | bidirectional | 5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions SPI2_MISO, TIM1_CH2N, TIM15_CH1 and I2C2_SDA. |
| 27 | PB15 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions SPI2_MOSI, TIM1_CH3N, TIM15_CH1N and TIM15_CH2, and additional function RTC_REFIN. |
| 28 | PA8 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions MCO, SPI2_NSS, TIM1_CH1, LPTIM2_OUT and EVENTOUT. |
| 29 | PA9 | bidirectional | 5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions MCO, USART1_TX, TIM1_CH2, SPI2_MISO and I2C1_SCL; it can be remapped in place of PA11 via SYSCFG_CFGR1. |
| 30 | PC6 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions TIM3_CH1 and TIM2_CH3. |
| 31 | PC7 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions TIM3_CH2 and TIM2_CH4. |
| 32 | PA10 | bidirectional | 5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BKIN and I2C1_SDA; it can be remapped in place of PA12 via SYSCFG_CFGR1. |
| 33 | PA11 [PA9] | bidirectional | 5 V-tolerant (FT_fa) I/O, Fm+ capable, with analog switch function, also ADC_IN15 and alternate functions USART1_CTS, TIM1_CH4, TIM1_BKIN2, I2C2_SCL and COMP1_OUT. |
| 34 | PA12 [PA10] | bidirectional | 5 V-tolerant (FT_fa) I/O, Fm+ capable, with analog switch function, also ADC_IN16 and alternate functions USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA and COMP2_OUT. |
| 35 | PA13 | bidirectional | 5 V-tolerant (FT_ea) I/O with switchable diode to VDD; it is configured as SWDIO after reset with the internal pull-up active, also ADC_IN17 and IR_OUT. |
| 36 | PA14-BOOT0 | bidirectional | 5 V-tolerant (FT_a) I/O with analog switch function; after reset it is SWCLK with the internal pull-down active, and it also carries the BOOT0 boot-mode pin and ADC_IN18. |
| 37 | PA15 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR and EVENTOUT. |
| 38 | PD0 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions EVENTOUT, SPI2_NSS and TIM16_CH1. |
| 39 | PD1 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions EVENTOUT, SPI2_SCK and TIM17_CH1. |
| 40 | PD2 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions TIM3_ETR and TIM1_CH1N. |
| 41 | PD3 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions USART2_CTS, SPI2_MISO and TIM1_CH2N. |
| 42 | PB3 | bidirectional | 5 V-tolerant (FT_a) I/O with analog switch function, with alternate functions SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2 and USART1_RTS_DE_CK, and COMP2_INM6 additional function. |
| 43 | PB4 | bidirectional | 5 V-tolerant (FT_a) I/O with analog switch function, with alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS and TIM17_BKIN, and COMP2_INP0 additional function. |
| 44 | PB5 | bidirectional | 5 V-tolerant (FT) I/O with alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, LPTIM1_IN1, I2C1_SMBA and COMP2_OUT, and wakeup pin WKUP6. |
| 45 | PB6 | bidirectional | 5 V-tolerant (FT_fa) I/O, Fm+ capable, with analog switch function, with alternate functions USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, LPTIM1_ETR and I2C1_SCL, and COMP2_INP1 additional function. |
| 46 | PB7 | bidirectional | 5 V-tolerant (FT_fa) I/O, Fm+ capable, with analog switch function, also ADC_IN11, COMP2_INM7 and PVD_IN, with alternate functions USART1_RX, SPI2_MOSI, TIM17_CH1N, LPTIM1_IN2 and I2C1_SDA. |
| 47 | PB8 | bidirectional | 5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions SPI2_SCK, TIM16_CH1, TIM15_BKIN and I2C1_SCL. |
| 48 | PB9 | bidirectional | 5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions IR_OUT, TIM17_CH1, SPI2_NSS and I2C1_SDA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
STM32G051C8T6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32g051c8t6-etched.step/stm32g051c8t6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32g051c8t6.step/stm32g051c8t6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (126 pp, sha256
773ba84c25c7d2f3, retrieved 2026-10-08, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(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).