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STM32G041K8T6

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

componentembedded processors & controllersstm32g041k8t6factory-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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STM32G041K8T6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-32(7x7)

STM32G041K8T6 from STMicroelectronics, in a LQFP-32(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 PB9 bidirectional FT_f 5 V-tolerant I/O (Fm+ capable) with alternate functions IR_OUT, TIM17_CH1, SPI2_NSS, I2C1_SDA and EVENTOUT.
2 PC14-OSC32_IN bidirectional FT I/O (after RTC-domain power-up it operates as GPIO), supplied through the power switch which sinks at most 3 mA, so output speed is limited to 2 MHz with a 30 pF maximum load and it must not source current such as driving an LED; alternate function TIM1_BK2, additional function OSC32_IN.
3 PC15-OSC32_OUT bidirectional FT I/O supplied through the same power switch with the same 3 mA sink limit, 2 MHz / 30 pF output speed limit and no current-source use; alternate functions OSC32_EN and OSC_EN, additional function OSC32_OUT.
4 VDD/VDDA power_in Power supply VDD = 1.7 V to 3.6 V for the internal regulator, I/O ring and system analog; VDDA is 1.62 V minimum for the ADC and 2.4 V minimum for VREFBUF.
5 VSS/VSSA power_in Ground reference (VSS) for the digital supply and analog ground (VSSA) for the analog peripherals; all voltages are referenced to VSS.
6 PF2-NRST bidirectional Bidirectional reset pin with an embedded weak pull-up resistor, also selectable as PF2 with alternate function MCO.
7 PA0 bidirectional FT_a 5 V-tolerant I/O with analog switch function; alternate functions SPI2_SCK, USART2_CTS, TIM2_CH1_ETR, LPTIM1_OUT; additional functions ADC_IN0, TAMP_IN2, WKUP1.
8 PA1 bidirectional FT_ea 5 V-tolerant I/O with analog switch and switchable diode to VDD; alternate functions SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, TIM2_CH2, I2C1_SMBA, EVENTOUT; additional function ADC_IN1.
9 PA2 bidirectional FT_a 5 V-tolerant I/O with analog switch; alternate functions SPI1_MOSI/I2S1_SD, USART2_TX, TIM2_CH3, LPUART1_TX; additional functions ADC_IN2, WKUP4, LSCO.
10 PA3 bidirectional FT_ea 5 V-tolerant I/O with analog switch and switchable diode to VDD; alternate functions SPI2_MISO, USART2_RX, TIM2_CH4, LPUART1_RX, EVENTOUT; additional function ADC_IN3.
11 PA4 bidirectional FT_a 5 V-tolerant I/O with analog switch; alternate functions SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, LPTIM2_OUT, EVENTOUT; additional functions ADC_IN4, TAMP_IN1, RTC_TS, RTC_OUT1, WKUP2.
12 PA5 bidirectional FT_ea 5 V-tolerant I/O with analog switch and switchable diode to VDD; alternate functions SPI1_SCK/I2S1_CK, TIM2_CH1_ETR, LPTIM2_ETR, EVENTOUT; additional function ADC_IN5.
13 PA6 bidirectional FT_ea 5 V-tolerant I/O with analog switch and switchable diode to VDD; alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, LPUART1_CTS; additional function ADC_IN6.
14 PA7 bidirectional FT_a 5 V-tolerant I/O with analog switch; alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1, TIM17_CH1; additional function ADC_IN7.
15 PB0 bidirectional FT_ea 5 V-tolerant I/O with analog switch and switchable diode to VDD; alternate functions SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N, LPTIM1_OUT; additional function ADC_IN8.
16 PB1 bidirectional FT_ea 5 V-tolerant I/O with analog switch and switchable diode to VDD; alternate functions TIM14_CH1, TIM3_CH4, TIM1_CH3N, LPTIM2_IN1, LPUART1_RTS_DE, EVENTOUT; additional function ADC_IN9.
17 PB2 bidirectional FT_ea 5 V-tolerant I/O with analog switch and switchable diode to VDD; alternate functions SPI2_MISO, LPTIM1_OUT, EVENTOUT; additional function ADC_IN10.
18 PA8 bidirectional FT 5 V-tolerant I/O; alternate functions MCO, SPI2_NSS, TIM1_CH1, LPTIM2_OUT, EVENTOUT.
19 PA9 bidirectional FT_f 5 V-tolerant I/O (Fm+ capable); alternate functions MCO, USART1_TX, TIM1_CH2, SPI2_MISO, I2C1_SCL, EVENTOUT.
20 PC6 bidirectional FT 5 V-tolerant I/O; alternate functions TIM3_CH1 and TIM2_CH3.
21 PA10 bidirectional FT_f 5 V-tolerant I/O (Fm+ capable); alternate functions SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BKIN, I2C1_SDA, EVENTOUT.
22 PA11 [PA9] bidirectional FT_fa 5 V-tolerant I/O (Fm+ capable) with analog switch; default function PA11, and PA9 can be remapped to this pin via SYSCFG_CFGR1; alternate functions SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BKIN2, I2C2_SCL; additional function ADC_IN15.
23 PA12 [PA10] bidirectional FT_fa 5 V-tolerant I/O (Fm+ capable) with analog switch; default function PA12, and PA10 can be remapped to this pin via SYSCFG_CFGR1; alternate functions SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA; additional function ADC_IN16.
24 PA13 bidirectional FT_ea 5 V-tolerant I/O with analog switch and switchable diode to VDD; at reset it is configured as SWDIO with the internal pull-up activated; alternate functions IR_OUT and EVENTOUT; additional function ADC_IN17.
25 PA14-BOOT0 bidirectional FT_a 5 V-tolerant I/O with analog switch; at reset it is configured as SWCLK with the internal pull-down activated, and it is also the BOOT0 boot pin selected through the boot option bit; alternate functions USART2_TX and EVENTOUT; additional functions ADC_IN18, BOOT0.
26 PA15 bidirectional FT 5 V-tolerant I/O; alternate functions SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR, EVENTOUT.
27 PB3 bidirectional FT 5 V-tolerant I/O; alternate functions SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2, USART1_RTS_DE_CK, EVENTOUT.
28 PB4 bidirectional FT 5 V-tolerant I/O; alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS, TIM17_BKIN, EVENTOUT.
29 PB5 bidirectional FT 5 V-tolerant I/O; alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, LPTIM1_IN1, I2C1_SMBA; additional function WKUP6.
30 PB6 bidirectional FT_f 5 V-tolerant I/O (Fm+ capable); alternate functions USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, LPTIM1_ETR, I2C1_SCL, EVENTOUT.
31 PB7 bidirectional FT_fa 5 V-tolerant I/O (Fm+ capable) with analog switch; alternate functions USART1_RX, SPI2_MOSI, TIM17_CH1N, LPTIM1_IN2, I2C1_SDA, EVENTOUT; additional functions ADC_IN11, PVD_IN.
32 PB8 bidirectional FT_f 5 V-tolerant I/O (Fm+ capable); alternate functions SPI2_SCK, TIM16_CH1, I2C1_SCL, EVENTOUT.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-32(7x7)
Category Embedded Processors & Controllers
Pins 32

CAD (KiCad official)

  • Symbol: STM32G041K8T6
  • Footprint: Package_QFP:LQFP-32_7x7mm_P0.8mm
  • 3D model: LQFP-32(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32g041k8t6-etched.step / stm32g041k8t6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32g041k8t6.step / stm32g041k8t6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (118 pp, sha256 586607fd294bd34f, retrieved 2026-10-11, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF