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Contents

README

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STM32F405RGT6

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

STM32F405RGT6 from STMicroelectronics, in a LQFP-64(10x10). 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 VBAT power_in Supply pin (VBAT) for the RTC, backup registers and optional backup SRAM.
2 PC13 bidirectional FT I/O supplied through the power switch (3 mA sink limit), so as an output it is limited to 2 MHz with 30 pF max load and must not source current; functions after first backup power-up are RTC_OUT, RTC_TAMP1 and RTC_TS.
3 PC14/OSC32_IN bidirectional FT I/O supplied through the power switch (2 MHz, 30 pF max as output) that also serves as the 32 kHz oscillator input OSC32_IN.
4 PC15/OSC32_OUT bidirectional FT I/O supplied through the power switch (2 MHz, 30 pF max as output) that also serves as the 32 kHz oscillator output OSC32_OUT.
5 PH0/OSC_IN bidirectional FT I/O (5 V tolerant except in oscillator mode) that also serves as the main oscillator input OSC_IN.
6 PH1/OSC_OUT bidirectional FT I/O (5 V tolerant except in oscillator mode) that also serves as the main oscillator output OSC_OUT.
7 NRST bidirectional Bidirectional reset pin with embedded weak pull-up resistor.
8 PC0 bidirectional FT I/O with ADC123_IN10 analog function and OTG_HS_ULPI_STP alternate function.
9 PC1 bidirectional FT I/O with ADC123_IN11 analog function and ETH_MDC alternate function.
10 PC2 bidirectional FT I/O with ADC123_IN12 analog function; alternate functions include SPI2_MISO, OTG_HS_ULPI_DIR, ETH_MII_TXD2 and I2S2ext_SD.
11 PC3 bidirectional FT I/O with ADC123_IN13 analog function; alternate functions include SPI2_MOSI/I2S2_SD, OTG_HS_ULPI_NXT and ETH_MII_TX_CLK.
12 VSSA power_in Analog ground supply pin.
13 VDDA power_in Analog power supply pin.
14 PA0/WKUP bidirectional FT I/O with wakeup (WKUP) and ADC123_IN0 functions; alternate functions include USART2_CTS, UART4_TX, TIM2_CH1_ETR, TIM5_CH1 and TIM8_ETR.
15 PA1 bidirectional FT I/O with ADC123_IN1 analog function; alternate functions include USART2_RTS, UART4_RX, TIM5_CH2, TIM2_CH2 and ETH RMII/MII clock.
16 PA2 bidirectional FT I/O with ADC123_IN2 analog function; alternate functions include USART2_TX, TIM5_CH3, TIM9_CH1, TIM2_CH3 and ETH_MDIO.
17 PA3 bidirectional FT I/O with ADC123_IN3 analog function; alternate functions include USART2_RX, TIM5_CH4, TIM9_CH2, TIM2_CH4, OTG_HS_ULPI_D0 and ETH_MII_COL.
18 VSS power_in Ground supply pin.
19 VDD power_in Digital power supply pin.
20 PA4 bidirectional TTa I/O (3.3 V tolerant, directly connected to ADC) with ADC12_IN4 and DAC_OUT1; alternate functions include SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK and DCMI_HSYNC.
21 PA5 bidirectional TTa I/O with ADC12_IN5 and DAC_OUT2; alternate functions include SPI1_SCK, OTG_HS_ULPI_CK, TIM2_CH1_ETR and TIM8_CH1N.
22 PA6 bidirectional FT I/O with ADC12_IN6 analog function; alternate functions include SPI1_MISO, TIM8_BKIN, TIM13_CH1, DCMI_PIXCLK, TIM3_CH1 and TIM1_BKIN.
23 PA7 bidirectional FT I/O with ADC12_IN7 analog function; alternate functions include SPI1_MOSI, TIM8_CH1N, TIM14_CH1, TIM3_CH2, TIM1_CH1N and ETH RMII/MII signals.
24 PC4 bidirectional FT I/O with ADC12_IN14 analog function and ETH_RMII_RX_D0/ETH_MII_RX_D0 alternate functions.
25 PC5 bidirectional FT I/O with ADC12_IN15 analog function and ETH_RMII_RX_D1/ETH_MII_RX_D1 alternate functions.
26 PB0 bidirectional FT I/O with ADC12_IN8 analog function; alternate functions include TIM3_CH3, TIM8_CH2N, OTG_HS_ULPI_D1, ETH_MII_RXD2 and TIM1_CH2N.
27 PB1 bidirectional FT I/O with ADC12_IN9 analog function; alternate functions include TIM3_CH4, TIM8_CH3N, OTG_HS_ULPI_D2, ETH_MII_RXD3 and TIM1_CH3N.
28 PB2/BOOT1 bidirectional FT I/O that also serves as the BOOT1 boot mode selection pin.
29 PB10 bidirectional FT I/O; alternate functions include SPI2_SCK/I2S2_CK, I2C2_SCL, USART3_TX, OTG_HS_ULPI_D3, ETH_MII_RX_ER and TIM2_CH3.
30 PB11 bidirectional FT I/O; alternate functions include I2C2_SDA, USART3_RX, OTG_HS_ULPI_D4, ETH_RMII_TX_EN/ETH_MII_TX_EN and TIM2_CH4.
31 VCAP_1 passive Pin for the external capacitor of the internal 1.2 V regulator (VCAP_1).
32 VDD power_in Digital power supply pin.
33 PB12 bidirectional FT I/O; alternate functions include SPI2_NSS/I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX, ETH_RMII_TXD0 and OTG_HS_ID.
34 PB13 bidirectional FT I/O with OTG_HS_VBUS additional function; alternate functions include SPI2_SCK/I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX and ETH_RMII_TXD1.
35 PB14 bidirectional FT I/O; alternate functions include SPI2_MISO, TIM1_CH2N, TIM12_CH1, OTG_HS_DM, USART3_RTS, TIM8_CH2N and I2S2ext_SD.
36 PB15 bidirectional FT I/O with RTC_REFIN additional function; alternate functions include SPI2_MOSI/I2S2_SD, TIM1_CH3N, TIM8_CH3N, TIM12_CH2 and OTG_HS_DP.
37 PC6 bidirectional FT I/O; alternate functions include I2S2_MCK, TIM8_CH1, SDIO_D6, USART6_TX, DCMI_D0 and TIM3_CH1.
38 PC7 bidirectional FT I/O; alternate functions include I2S3_MCK, TIM8_CH2, SDIO_D7, USART6_RX, DCMI_D1 and TIM3_CH2.
39 PC8 bidirectional FT I/O; alternate functions include TIM8_CH3, SDIO_D0, TIM3_CH3, USART6_CK and DCMI_D2.
40 PC9 bidirectional FT I/O; alternate functions include I2S_CKIN, MCO2, TIM8_CH4, SDIO_D1, I2C3_SDA, DCMI_D3 and TIM3_CH4.
41 PA8 bidirectional FT I/O; alternate functions include MCO1, USART1_CK, TIM1_CH1, I2C3_SCL and OTG_FS_SOF.
42 PA9 bidirectional FT I/O with OTG_FS_VBUS additional function; alternate functions include USART1_TX, TIM1_CH2, I2C3_SMBA and DCMI_D0.
43 PA10 bidirectional FT I/O; alternate functions include USART1_RX, TIM1_CH3, OTG_FS_ID and DCMI_D1.
44 PA11 bidirectional FT I/O; alternate functions include USART1_CTS, CAN1_RX, TIM1_CH4 and OTG_FS_DM.
45 PA12 bidirectional FT I/O; alternate functions include USART1_RTS, CAN1_TX, TIM1_ETR and OTG_FS_DP.
46 PA13 bidirectional FT I/O whose function after reset is JTMS-SWDIO.
47 VCAP_2 passive Pin for the external capacitor of the internal 1.2 V regulator (VCAP_2).
48 VDD power_in Digital power supply pin.
49 PA14 bidirectional FT I/O whose function after reset is JTCK/SWCLK.
50 PA15 bidirectional FT I/O whose function after reset is JTDI; alternate functions include SPI3_NSS/I2S3_WS, TIM2_CH1_ETR and SPI1_NSS.
51 PC10 bidirectional FT I/O; alternate functions include SPI3_SCK/I2S3_CK, UART4_TX, SDIO_D2, DCMI_D8 and USART3_TX.
52 PC11 bidirectional FT I/O; alternate functions include UART4_RX, SPI3_MISO, SDIO_D3, DCMI_D4, USART3_RX and I2S3ext_SD.
53 PC12 bidirectional FT I/O; alternate functions include UART5_TX, SDIO_CK, DCMI_D9, SPI3_MOSI/I2S3_SD and USART3_CK.
54 PD2 bidirectional FT I/O; alternate functions include TIM3_ETR, UART5_RX, SDIO_CMD and DCMI_D11.
55 PB3 bidirectional FT I/O whose function after reset is JTDO/TRACESWO; alternate functions include SPI3_SCK/I2S3_CK, TIM2_CH2 and SPI1_SCK.
56 PB4 bidirectional FT I/O whose function after reset is NJTRST; alternate functions include SPI3_MISO, TIM3_CH1, SPI1_MISO and I2S3ext_SD.
57 PB5 bidirectional FT I/O; alternate functions include I2C1_SMBA, CAN2_RX, OTG_HS_ULPI_D7, ETH_PPS_OUT, TIM3_CH2, SPI1_MOSI, SPI3_MOSI and DCMI_D10.
58 PB6 bidirectional FT I/O; alternate functions include I2C1_SCL, TIM4_CH1, CAN2_TX, DCMI_D5 and USART1_TX.
59 PB7 bidirectional FT I/O; alternate functions include I2C1_SDA, FSMC_NL, DCMI_VSYNC, USART1_RX and TIM4_CH2.
60 BOOT0 input Dedicated boot mode selection input pin (also VPP for Flash programming).
61 PB8 bidirectional FT I/O; alternate functions include TIM4_CH3, SDIO_D4, TIM10_CH1, DCMI_D6, ETH_MII_TXD3, I2C1_SCL and CAN1_RX.
62 PB9 bidirectional FT I/O; alternate functions include SPI2_NSS/I2S2_WS, TIM4_CH4, TIM11_CH1, SDIO_D5, DCMI_D7, I2C1_SDA and CAN1_TX.
63 VSS power_in Ground supply pin.
64 VDD power_in Digital power supply pin.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32F405RGT6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: stm32f405rgt6-etched.step / stm32f405rgt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f405rgt6.step / stm32f405rgt6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (185 pp, sha256 f83f1f3dca0b4e10, retrieved 2026-10-07, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (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