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Contents

README

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STM32F412RET6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

STM32F412RET6 from STMicroelectronics, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VBAT power_in VBAT supply pin for RTC and backup registers.
2 PC13 bidirectional Port C pin 13, general-purpose I/O, 5V tolerant, with TAMP_1 and EVENTOUT alternate functions.
3 PC14-OSC32_IN bidirectional Port C pin 14, 32 kHz oscillator input, 5V tolerant when used as GPIO with OSC32_IN function.
4 PC15-OSC32_OUT bidirectional Port C pin 15, 32 kHz oscillator output, 5V tolerant when used as GPIO with OSC32_OUT function.
5 PH0-OSC_IN bidirectional Port H pin 0, high-speed oscillator input, 5V tolerant when used as GPIO with OSC_IN function.
6 PH1-OSC_OUT bidirectional Port H pin 1, high-speed oscillator output, 5V tolerant when used as GPIO with OSC_OUT function.
7 NRST bidirectional Reset pin with embedded weak pull-up, bidirectional reset with NRST alternate function.
8 PC0 bidirectional Port C pin 0, general-purpose I/O, 5V tolerant, ADC1_10 channel, WKUP2 wake-up function.
9 PC1 bidirectional Port C pin 1, general-purpose I/O, 5V tolerant, ADC1_11 channel, WKUP3 wake-up function.
10 PC2 bidirectional Port C pin 2, general-purpose I/O, 5V tolerant, ADC1_12 channel with SPI2_MISO/DFSDM1_CKOUT/FSMC_NWE alternate functions.
11 PC3 bidirectional Port C pin 3, general-purpose I/O, 5V tolerant, ADC1_13 channel with SPI2_MOSI/FSMC_A0 alternate functions.
12 VSSA/VREF- power_in VSSA ground and VREF- reference voltage pin.
13 VDDA/VREF+ power_in VDDA analog power supply and VREF+ reference voltage pin.
14 PA0 bidirectional Port A pin 0, general-purpose I/O, 5V tolerant, ADC1_0 channel, WKUP1 wake-up function, with TIM2/TIM5/TIM8/USART2 alternate functions.
15 PA1 bidirectional Port A pin 1, general-purpose I/O, 5V tolerant, ADC1_1 channel, with TIM2/TIM5/SPI4/USART2/QUADSPI alternate functions.
16 PA2 bidirectional Port A pin 2, general-purpose I/O, 5V tolerant, ADC1_2 channel, with TIM2/TIM5/TIM9/USART2/FSMC_D4 alternate functions.
17 PA3 bidirectional Port A pin 3, general-purpose I/O, 5V tolerant, ADC1_3 channel, with TIM2/TIM5/TIM9/USART2/FSMC_D5 alternate functions.
18 VSS power_in Ground pin.
19 VDD power_in Main power supply pin.
20 PA4 bidirectional Port A pin 4, general-purpose I/O, 5V tolerant, ADC1_4 channel, with SPI1/SPI3/USART2/DFSDM1/FSMC_D6 alternate functions.
21 PA5 bidirectional Port A pin 5, general-purpose I/O, 5V tolerant, ADC1_5 channel, with TIM2/TIM8/SPI1/DFSDM1/FSMC_D7 alternate functions.
22 PA6 bidirectional Port A pin 6, general-purpose I/O, 5V tolerant, ADC1_6 channel, with TIM1/TIM3/TIM8/SPI1/TIM13/QUADSPI_BK2/SDIO_CMD alternate functions.
23 PA7 bidirectional Port A pin 7, general-purpose I/O, 5V tolerant, ADC1_7 channel, with TIM1/TIM3/TIM8/SPI1/TIM14/QUADSPI_BK2 alternate functions.
24 PC4 bidirectional Port C pin 4, general-purpose I/O, 5V tolerant, ADC1_14 channel, with I2S1_MCK/QUADSPI_BK2/FSMC_NE4 alternate functions.
25 PC5 bidirectional Port C pin 5, general-purpose I/O, 5V tolerant, ADC1_15 channel, with I2CFMP1_SMBA/USART3/QUADSPI_BK2/FSMC_NOE alternate functions.
26 PB0 bidirectional Port B pin 0, general-purpose I/O, 5V tolerant, ADC1_8 channel, with TIM1/TIM3/TIM8/SPI5 alternate functions.
27 PB1 bidirectional Port B pin 1, general-purpose I/O, 5V tolerant, ADC1_9 channel, with TIM1/TIM3/TIM8/SPI5/DFSDM1/QUADSPI_CLK alternate functions.
28 PB2 bidirectional Port B pin 2, general-purpose I/O, 5V tolerant, BOOT1 function, with DFSDM1/QUADSPI_CLK alternate functions.
29 PB10 bidirectional Port B pin 10, general-purpose I/O, 5V tolerant, with TIM2_CH3/I2C2_SCL/SPI2/I2S3_MCK/USART3_TX/I2CFMP1_SCL/SDIO_D7 alternate functions.
30 VCAP_1 power_in External capacitor pin for internal voltage regulator.
31 VSS power_in Ground pin.
32 VDD power_in Main power supply pin.
33 PB12 bidirectional Port B pin 12, general-purpose I/O, 5V tolerant, with TIM1/I2C2/SPI2/SPI4/SPI3/USART3/CAN2/DFSDM1/FSMC_D13 alternate functions.
34 PB13 bidirectional Port B pin 13, general-purpose I/O, 5V tolerant, with TIM1/I2CFMP1/SPI2/SPI4/USART3/CAN2/DFSDM1 alternate functions.
35 PB14 bidirectional Port B pin 14, general-purpose I/O, 5V tolerant, with TIM1/TIM8/I2CFMP1/SPI2/USART3/DFSDM1/TIM12/FSMC_D0/SDIO_D6 alternate functions.
36 PB15 bidirectional Port B pin 15, general-purpose I/O, 5V tolerant, RTC_50Hz function, with TIM1/TIM8/I2CFMP1/SPI2/DFSDM1/TIM12/SDIO_CK alternate functions.
37 PC6 bidirectional Port C pin 6, general-purpose I/O, 5V tolerant, with TIM3/TIM8/I2CFMP1/I2S2_MCK/DFSDM1/USART6/FSMC_D1/SDIO_D6 alternate functions.
38 PC7 bidirectional Port C pin 7, general-purpose I/O, 5V tolerant, with TIM3/TIM8/I2CFMP1/SPI2/I2S3_MCK/USART6/DFSDM1/SDIO_D7 alternate functions.
39 PC8 bidirectional Port C pin 8, general-purpose I/O, 5V tolerant, with TIM3/TIM8/USART6_CK/QUADSPI_BK1_IO2/SDIO_D0 alternate functions.
40 PC9 bidirectional Port C pin 9, general-purpose I/O, 5V tolerant, MCO_2 output, with TIM3/TIM8/I2C3_SDA/I2S2_CKIN/QUADSPI_BK1_IO0/SDIO_D1 alternate functions.
41 PA8 bidirectional Port A pin 8, general-purpose I/O, 5V tolerant, MCO_1 output, with TIM1/I2C3/USART1/USB_FS_SOF/SDIO_D1 alternate functions.
42 PA9 bidirectional Port A pin 9, general-purpose I/O, 5V tolerant, with TIM1/I2C3/USART1_TX/USB_FS_VBUS/SDIO_D2 alternate functions.
43 PA10 bidirectional Port A pin 10, general-purpose I/O, 5V tolerant, with TIM1/SPI5/USART1_RX/USB_FS_ID alternate functions.
44 PA11 bidirectional Port A pin 11, general-purpose I/O, 5V tolerant, with TIM1/SPI4/USART1/USART6/CAN1_RX/USB_FS_DM alternate functions.
45 PA12 bidirectional Port A pin 12, general-purpose I/O, 5V tolerant, with TIM1/SPI5/USART1/USART6/CAN1_TX/USB_FS_DP alternate functions.
46 PA13 bidirectional Port A pin 13, general-purpose I/O, 5V tolerant, JTMS-SWDIO debug function.
47 VSS power_in Ground pin.
48 VDD power_in Main power supply pin.
49 PA14 bidirectional Port A pin 14, general-purpose I/O, 5V tolerant, JTCK-SWCLK debug function.
50 PA15 bidirectional Port A pin 15, general-purpose I/O, 5V tolerant, JTDI debug function, with TIM2/SPI1/SPI3/USART1_TX alternate functions.
51 PC10 bidirectional Port C pin 10, general-purpose I/O, 5V tolerant, with SPI3/USART3_TX/QUADSPI_BK1/SDIO_D2 alternate functions.
52 PC11 bidirectional Port C pin 11, general-purpose I/O, 5V tolerant, with SPI3/USART3/QUADSPI_BK2_NCS/FSMC_D2/SDIO_D3 alternate functions.
53 PC12 bidirectional Port C pin 12, general-purpose I/O, 5V tolerant, with SPI3/USART3_CK/FSMC_D3/SDIO_CK alternate functions.
54 PD2 bidirectional Port D pin 2, general-purpose I/O, 5V tolerant, with TIM3_ETR/FSMC_NWE/SDIO_CMD alternate functions.
55 PB3 bidirectional Port B pin 3, general-purpose I/O, 5V tolerant, JTDO-SWO debug function, with TIM2/I2CFMP1/SPI1/SPI3/USART1_RX/I2C2_SDA alternate functions.
56 PB4 bidirectional Port B pin 4, general-purpose I/O, 5V tolerant, JTRST debug function, with TIM3/SPI1/SPI3/I2C3_SDA/SDIO_D0 alternate functions.
57 PB5 bidirectional Port B pin 5, general-purpose I/O, 5V tolerant, with TIM3/I2C1/SPI1/SPI3/CAN2_RX/SDIO_D3 alternate functions.
58 PB6 bidirectional Port B pin 6, general-purpose I/O, 5V tolerant, with TIM4/I2C1_SCL/USART1_TX/CAN2_TX/QUADSPI_BK1_NCS/SDIO_D0 alternate functions.
59 PB7 bidirectional Port B pin 7, general-purpose I/O, 5V tolerant, with TIM4/I2C1_SDA/USART1_RX/FSMC_NL alternate functions.
60 BOOT0 input Dedicated boot pin for selecting boot source, 5V tolerant, VPP function.
61 PB8 bidirectional Port B pin 8, general-purpose I/O, 5V tolerant, with TIM4/TIM10/I2C1_SCL/SPI5/CAN1_RX/I2C3_SDA/SDIO_D4 alternate functions.
62 PB9 bidirectional Port B pin 9, general-purpose I/O, 5V tolerant, with TIM4/TIM11/I2C1_SDA/SPI2/CAN1_TX/I2C2_SDA/SDIO_D5 alternate functions.
63 VSS power_in Ground pin.
64 VDD power_in Main power supply pin.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-64(10x10)
Category Embedded Processors & Controllers
Pins 64

CAD (KiCad official)

  • Symbol: STM32F412RET6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: stm32f412ret6-etched.step / stm32f412ret6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f412ret6.step / stm32f412ret6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (194 pp, sha256 3c186519db817f80, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF