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STM32L051K6T6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(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
markdownSTM32L051K6T6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-32(7x7)
STM32L051K6T6 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 | VDD | power_in | Main power supply pin. |
| 2 | PC14-OSC32_IN | bidirectional | Port C pin 14, low-speed oscillator input (32 kHz crystal), with alternate OSC32_IN function. |
| 3 | PC15-OSC32_OUT | bidirectional | Port C pin 15, low-speed oscillator output (32 kHz crystal), with alternate OSC32_OUT function. |
| 4 | NRST | input | External reset input with internal pull-up resistor; bidirectional pin supporting reset assertion and monitoring. |
| 5 | VDDA | power_in | Analog power supply pin for ADC, comparators, and internal voltage reference. |
| 6 | PA0 | bidirectional | Port A pin 0, general-purpose I/O with alternate functions TIM2_CH1, USART2_CTS, TIM2_ETR, COMP1_OUT and analog input ADC_IN0. |
| 7 | PA1 | bidirectional | |
| 8 | PA2 | bidirectional | Port A pin 2, general-purpose I/O with alternate functions TIM21_CH1, TIM2_CH3, USART2_TX, COMP2_OUT and analog input ADC_IN2. |
| 9 | PA3 | bidirectional | Port A pin 3, general-purpose I/O with alternate functions TIM21_CH2, TIM2_CH4, USART2_RX, and analog input ADC_IN3. |
| 10 | PA4 | bidirectional | Port A pin 4, general-purpose I/O with alternate functions SPI1_NSS, USART2_CK, TIM22_ETR and analog input ADC_IN4. |
| 11 | PA5 | bidirectional | Port A pin 5, general-purpose I/O with alternate functions SPI1_SCK, TIM2_ETR, TIM2_CH1 and analog input ADC_IN5. |
| 12 | PA6 | bidirectional | Port A pin 6, general-purpose I/O with alternate functions SPI1_MISO, LPUART1_CTS, TIM22_CH1, COMP1_OUT and analog input ADC_IN6. |
| 13 | PA7 | bidirectional | Port A pin 7, general-purpose I/O with alternate functions SPI1_MOSI, TIM22_CH2, COMP2_OUT and analog input ADC_IN7. |
| 14 | PB0 | bidirectional | Port B pin 0, general-purpose I/O with analog input ADC_IN8 and VREF_OUT alternate function. |
| 15 | PB1 | bidirectional | Port B pin 1, general-purpose I/O with analog input ADC_IN9 and LPUART1_RTS_DE alternate function. |
| 16 | VSS | power_in | Ground pin (negative power supply reference). |
| 17 | VDD | power_in | Main power supply pin. |
| 18 | PA8 | bidirectional | Port A pin 8, general-purpose I/O with alternate functions MCO, EVENTOUT, USART1_CK. |
| 19 | PA9 | bidirectional | Port A pin 9, general-purpose I/O with alternate functions MCO, USART1_TX. |
| 20 | PA10 | bidirectional | Port A pin 10, general-purpose I/O with alternate function USART1_RX. |
| 21 | PA11 | bidirectional | Port A pin 11, general-purpose I/O with alternate functions SPI1_MISO, EVENTOUT, USART1_CTS, COMP1_OUT. |
| 22 | PA12 | bidirectional | Port A pin 12, general-purpose I/O with alternate functions SPI1_MOSI, EVENTOUT, USART1_RTS_DE, COMP2_OUT. |
| 23 | PA13 | bidirectional | Port A pin 13, general-purpose I/O with alternate function SWDIO (Serial Wire Debug I/O). |
| 24 | PA14 | bidirectional | Port A pin 14, general-purpose I/O with alternate functions SWCLK (Serial Wire Debug Clock), USART2_TX. |
| 25 | PA15 | bidirectional | Port A pin 15, general-purpose I/O with alternate functions SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1. |
| 26 | PB3 | bidirectional | Port B pin 3, general-purpose I/O with alternate functions SPI1_SCK, TIM2_CH2, EVENTOUT and COMP2_INN analog input. |
| 27 | PB4 | bidirectional | Port B pin 4, general-purpose I/O with alternate functions SPI1_MISO, EVENTOUT, TIM22_CH1 and COMP2_INP analog input. |
| 28 | PB5 | bidirectional | Port B pin 5, general-purpose I/O with alternate functions SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, TIM22_CH2 and COMP2_INP analog input. |
| 29 | PB6 | bidirectional | Port B pin 6, general-purpose I/O (5V-tolerant Fast Mode Plus capable) with alternate functions USART1_TX, I2C1_SCL, LPTIM1_ETR and COMP2_INP analog input. |
| 30 | PB7 | bidirectional | Port B pin 7, general-purpose I/O (5V-tolerant Fast Mode Plus capable) with alternate functions USART1_RX, I2C1_SDA, LPTIM1_IN2, COMP2_INP analog input and PVD_IN. |
| 31 | BOOT0 | input | Boot mode select pin; determines boot source (Flash memory, system memory, or RAM) at device startup. |
| 32 | VSS | power_in | Ground pin (negative power supply reference). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-32(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 32 |
CAD (KiCad official)
- Symbol:
STM32L051K6T6 - Footprint:
Package_QFP:LQFP-32_7x7mm_P0.8mm - 3D model: LQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32l051k6t6-etched.step/stm32l051k6t6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32l051k6t6.step/stm32l051k6t6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (131 pp, sha256
457bab7943900413, 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).