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Contents

README

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STM32L476RGT6

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

STM32L476RGT6 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 Battery supply pin for RTC and 32x32-bit backup registers, supply range 1.55 to 3.6 V.
2 PC13 bidirectional Port C pin 13, 5V-tolerant I/O with RTC tamper/timestamp and wakeup capabilities.
3 PC14-OSC32_IN bidirectional Port C pin 14, 32 kHz oscillator input or general-purpose I/O, 5V-tolerant.
4 PC15-OSC32_OUT bidirectional Port C pin 15, 32 kHz oscillator output or general-purpose I/O, 5V-tolerant.
5 PH0-OSC_IN bidirectional Port H pin 0, 4-48 MHz high-speed oscillator input or general-purpose I/O.
6 PH1-OSC_OUT bidirectional Port H pin 1, high-speed oscillator output or general-purpose I/O.
7 NRST input Active-low reset input pin with internal pull-up and external filter capacitor.
8 PC0 bidirectional Port C pin 0, 5V-tolerant I/O with LPUART, I2C3, LPTIM, and ADC input functions.
9 PC1 bidirectional Port C pin 1, 5V-tolerant I/O with LPUART, I2C3, LPTIM, LCD, and ADC input functions.
10 PC2 bidirectional Port C pin 2, 5V-tolerant I/O with LPTIM, SPI2, and ADC input functions.
11 PC3 bidirectional Port C pin 3, 5V-tolerant I/O with LPTIM, SPI2, LCD VLCD control, and ADC input functions.
12 VSSA/VREF- power_in Analog ground and negative reference voltage pin for ADC/DAC.
13 VDDA/VREF+ power_in Analog supply and positive reference voltage pin, supply range 1.62 to 3.6 V for ADC/DAC.
14 PA0 bidirectional Port A pin 0, 5V-tolerant I/O with TIM2/TIM5/TIM8, USART2, UART4, SAI, OPAMP input and ADC functions.
15 PA1 bidirectional Port A pin 1, 5V-tolerant I/O with TIM2/TIM5/TIM15, USART2, LCD, OPAMP input and ADC functions.
16 PA2 bidirectional Port A pin 2, 5V-tolerant I/O with TIM2/TIM5/TIM15, USART2, LCD, and ADC/WKUP functions.
17 PA3 bidirectional Port A pin 3, 3.6V-tolerant I/O with TIM2/TIM5/TIM15, USART2, LCD, OPAMP output and ADC functions.
18 VSS power_in Ground reference (0 V) for main power supply.
19 VDD power_in Main positive power supply pin, supply range 1.71 to 3.6 V.
20 PA4 bidirectional Port A pin 4, 3.6V-tolerant I/O with SPI1/SPI3, USART2, SAI, LPTIM2, DAC1 and ADC functions.
21 PA5 bidirectional Port A pin 5, 3.6V-tolerant I/O with TIM2/TIM8, SPI1, LPTIM2, DAC1 and ADC functions.
22 PA6 bidirectional Port A pin 6, 5V-tolerant I/O with TIM1/TIM3/TIM8/TIM16, SPI1, QUADSPI, LCD, and OPAMP input/ADC functions.
23 PA7 bidirectional Port A pin 7, 5V-tolerant I/O with TIM1/TIM3/TIM8/TIM17, SPI1, QUADSPI, LCD, and OPAMP input/ADC functions.
24 PC4 bidirectional Port C pin 4, 5V-tolerant I/O with USART3, LCD SEG22, and ADC/COMP INM functions.
25 PC5 bidirectional Port C pin 5, 5V-tolerant I/O with USART3, LCD SEG23, COMP input, and wakeup functions.
26 PB0 bidirectional Port B pin 0, 3.6V-tolerant I/O with TIM1/TIM3/TIM8, USART3, QUADSPI, LCD, COMP output and ADC functions.
27 PB1 bidirectional Port B pin 1, 5V-tolerant I/O with TIM1/TIM3/TIM8, DFSDM, USART3, QUADSPI, LCD, and ADC functions.
28 PB2 bidirectional Port B pin 2, 5V-tolerant I/O with RTC, LPTIM1, I2C3, DFSDM, and COMP input functions.
29 PB10 bidirectional Port B pin 10, 5V-tolerant I/O with TIM2, I2C2, SPI2, DFSDM, USART3, LPUART1, QUADSPI, LCD and COMP output.
30 PB11 bidirectional Port B pin 11, 5V-tolerant I/O with TIM2, I2C2, DFSDM, USART3, LPUART1, QUADSPI, LCD and COMP output.
31 VSS power_in Ground reference (0 V) for main power supply.
32 VDD power_in Main positive power supply pin, supply range 1.71 to 3.6 V.
33 PB12 bidirectional Port B pin 12, 5V-tolerant I/O with TIM1/TIM15, I2C2, SPI2, DFSDM, USART3, LPUART1, TSC, and LCD functions.
34 PB13 bidirectional Port B pin 13, 5V-tolerant I/O with TIM1/TIM15, I2C2, SPI2, DFSDM, USART3, LPUART1, and LCD functions.
35 PB14 bidirectional Port B pin 14, 5V-tolerant I/O with TIM1/TIM8/TIM15, I2C2, SPI2, DFSDM, USART3, TSC, and LCD functions.
36 PB15 bidirectional Port B pin 15, 5V-tolerant I/O with RTC, TIM1/TIM8, SPI2, DFSDM, TSC, and LCD functions.
37 PC6 bidirectional Port C pin 6, 5V-tolerant I/O with TIM3/TIM8, DFSDM, TSC, LCD, and SDMMC functions.
38 PC7 bidirectional Port C pin 7, 5V-tolerant I/O with TIM3/TIM8, DFSDM, TSC, LCD, and SDMMC functions.
39 PC8 bidirectional Port C pin 8, 5V-tolerant I/O with TIM3/TIM8, TSC, LCD, and SDMMC functions.
40 PC9 bidirectional Port C pin 9, 5V-tolerant I/O with TIM3/TIM8, OTG_FS, LCD, SDMMC, and SAI functions.
41 PA8 bidirectional Port A pin 8, 5V-tolerant I/O with MCO, TIM1, USART1, OTG_FS SOF, and LCD COM0.
42 PA9 bidirectional Port A pin 9, 5V-tolerant USB I/O with TIM1/TIM15, USART1, LCD COM1, and OTG_FS VBUS.
43 PA10 bidirectional Port A pin 10, 5V-tolerant USB I/O with TIM1/TIM17, USART1, OTG_FS ID, and LCD COM2.
44 PA11 bidirectional Port A pin 11, 5V-tolerant USB I/O with TIM1, USART1, CAN1 RX, and OTG_FS DM.
45 PA12 bidirectional Port A pin 12, 5V-tolerant USB I/O with TIM1, USART1, CAN1 TX, and OTG_FS DP.
46 PA13 bidirectional Port A pin 13 (JTMS-SWDIO), 5V-tolerant I/O with JTAG/SWD debug interface and infrared output.
47 VSS power_in Ground reference (0 V) for main power supply.
48 VDDUSB power_in USB supply pin, supply range 3.0 to 3.6 V when USB is used.
49 PA14 bidirectional Port A pin 14 (JTCK-SWCLK), 5V-tolerant I/O with JTAG/SWD debug clock interface.
50 PA15 bidirectional Port A pin 15 (JTDI), 5V-tolerant I/O with JTAG, TIM2, SPI, USART4, TSC, and LCD functions.
51 PC10 bidirectional Port C pin 10, 5V-tolerant I/O with SPI3, USART3, UART4, TSC, LCD, and SDMMC functions.
52 PC11 bidirectional Port C pin 11, 5V-tolerant I/O with SPI3, USART3, UART4, TSC, LCD, and SDMMC functions.
53 PC12 bidirectional Port C pin 12, 5V-tolerant I/O with SPI3, USART3, UART5, TSC, LCD, and SDMMC functions.
54 PD2 bidirectional Port D pin 2, 5V-tolerant I/O with TIM3, USART3, UART5, TSC, LCD COM7, and SDMMC CMD.
55 PB3 bidirectional Port B pin 3 (JTDO-TRACESWO), 5V-tolerant I/O with JTAG, TIM2, SPI1/SPI3, USART1, LCD, and SAI functions.
56 PB4 bidirectional Port B pin 4 (NJTRST), 5V-tolerant I/O with JTAG, TIM3, SPI1/SPI3, USART1, UART5, TSC, and LCD.
57 PB5 bidirectional Port B pin 5, 5V-tolerant I/O with LPTIM1, TIM3, I2C1, SPI1/SPI3, USART1, UART5, TSC, and LCD.
58 PB6 bidirectional Port B pin 6, 5V-tolerant I/O with LPTIM1, TIM4/TIM8/TIM16, I2C1, DFSDM, USART1, TSC, and SAI.
59 PB7 bidirectional Port B pin 7, 5V-tolerant I/O with LPTIM1, TIM4/TIM8/TIM17, I2C1, DFSDM, USART1, UART4, TSC, LCD, and FMC.
60 BOOT0 input Boot mode selection pin, determines code execution from flash or RAM on power-up.
61 PB8 bidirectional Port B pin 8, 5V-tolerant I/O with TIM4/TIM16, I2C1, DFSDM, CAN1 RX, LCD SEG16, and SDMMC.
62 PB9 bidirectional Port B pin 9, 5V-tolerant I/O with IR, TIM4/TIM17, I2C1, SPI2, DFSDM, CAN1 TX, LCD COM3, and SDMMC.
63 VSS power_in Ground reference (0 V) for main power supply.
64 VDD power_in Main positive power supply pin, supply range 1.71 to 3.6 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32L476RGT6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: stm32l476rgt6-etched.step / stm32l476rgt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l476rgt6.step / stm32l476rgt6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (262 pp, sha256 6de7ca90cf648b18, 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