component
STM32L412K8T6
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
markdownSTM32L412K8T6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-32(7x7)
STM32L412K8T6 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 supply voltage, 1.71 V to 3.6 V. |
| 2 | PC14-OSC32_IN | bidirectional | GPIO PC14, 5V-tolerant, 32 kHz OSC32_IN alternate function for crystal oscillator. |
| 3 | PC15-OSC32_OUT | bidirectional | GPIO PC15, 5V-tolerant, 32 kHz OSC32_OUT alternate function for crystal oscillator. |
| 4 | NRST | input | Active-low reset input with embedded weak pull-up resistor. |
| 5 | VDDA/VREF+ | power_in | Analog supply voltage and positive reference for ADC/comparator, 1.62 V to 3.6 V. |
| 6 | PA0-CK_IN | bidirectional | GPIO PA0, 5V-tolerant, analog input, supports timer/USART alternate functions. |
| 7 | PA1 | bidirectional | GPIO PA1, 5V-tolerant, analog input, supports timer/I2C/SPI/USART alternate functions. |
| 8 | PA2 | bidirectional | GPIO PA2, 5V-tolerant, analog input, supports timer/USART/LPUART/QUADSPI functions. |
| 9 | PA3 | bidirectional | GPIO PA3, 3.6V-tolerant, analog input, supports timer/USART/LPUART/QUADSPI functions. |
| 10 | PA4 | bidirectional | GPIO PA4, 3.6V-tolerant, analog input, supports SPI/USART/timer alternate functions. |
| 11 | PA5 | bidirectional | GPIO PA5, 3.6V-tolerant, analog input, supports timer/SPI/LPUART alternate functions. |
| 12 | PA6 | bidirectional | GPIO PA6, 5V-tolerant, analog input, supports timer/SPI/USART/QUADSPI functions. |
| 13 | PA7 | bidirectional | GPIO PA7, 5V-tolerant FM+ I2C capable, analog input, supports timer/SPI/I2C/QUADSPI. |
| 14 | PB0 | bidirectional | GPIO PB0, 5V-tolerant, analog input, supports timer/SPI/USART/QUADSPI functions. |
| 15 | PB1 | bidirectional | GPIO PB1, 5V-tolerant, analog input, supports timer/USART/QUADSPI/LPUART functions. |
| 16 | VSS | power_in | Ground reference, 0 V, return path for all supply currents. |
| 17 | VDD | power_in | Main supply voltage, 1.71 V to 3.6 V. |
| 18 | PA8 | bidirectional | GPIO PA8, 5V-tolerant, supports MCO clock output or timer/USART functions. |
| 19 | PA9 | bidirectional | GPIO PA9, 5V-tolerant FM+ I2C capable, supports USART1 TX or I2C/timer functions. |
| 20 | PA10 | bidirectional | GPIO PA10, 5V-tolerant FM+ I2C capable, supports USART1 RX or I2C/USB functions. |
| 21 | PA11 | bidirectional | GPIO PA11, 5V-tolerant USB capable, supports USB DM or USART/timer functions. |
| 22 | PA12 | bidirectional | GPIO PA12, 5V-tolerant USB capable, supports USB DP or USART/SPI functions. |
| 23 | PA13 | bidirectional | GPIO PA13 (JTMS/SWDIO), 5V-tolerant, serial wire debug/JTAG interface pin. |
| 24 | PA14 | bidirectional | GPIO PA14 (JTCK/SWCLK), 5V-tolerant, serial wire debug/JTAG clock pin. |
| 25 | PA15 | bidirectional | GPIO PA15 (JTDI), 5V-tolerant, JTAG data input or timer/USART/SPI functions. |
| 26 | PB3 | bidirectional | GPIO PB3 (JTDO/TRACESWO), 5V-tolerant, analog capable, JTAG output or timer/SPI/USART. |
| 27 | PB4 | bidirectional | GPIO PB4 (NJTRST), 5V-tolerant FM+ I2C capable, JTAG reset or I2C/SPI/USART. |
| 28 | PB5 | bidirectional | GPIO PB5, 5V-tolerant, supports SPI1 MOSI, I2C1 timing, and trace/USART functions. |
| 29 | PB6 | bidirectional | GPIO PB6, 5V-tolerant FM+ I2C capable, supports I2C1 SCL or USART1 TX/trace. |
| 30 | PB7 | bidirectional | GPIO PB7, 5V-tolerant FM+ I2C capable, supports I2C1 SDA or USART1 RX, with PVD input. |
| 31 | PH3-BOOT0 | bidirectional | GPIO PH3 (BOOT0), 5V-tolerant, selects boot source from internal Flash or system bootloader. |
| 32 | VSS | power_in | Ground reference, 0 V, return path for all supply currents. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-32(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 32 |
CAD (KiCad official)
- Symbol:
STM32L412K8T6 - Footprint:
Package_QFP:LQFP-32_7x7mm_P0.8mm - 3D model: LQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32l412k8t6-etched.step/stm32l412k8t6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32l412k8t6.step/stm32l412k8t6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (193 pp, sha256
5104ae3be2936485, retrieved 2026-09-27, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).