component
STM32F402RCT6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, 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
markdownSTM32F402RCT6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)
STM32F402RCT6 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 backup supply (1.65 V to 3.6 V) for the RTC, 32 kHz external oscillator and backup registers when VDD is not present. |
| 2 | PC13 | bidirectional | 5V-tolerant GPIO port C pin 13 with alternate functions EVENTOUT, RTC_TAMP1, RTC_OUT, RTC_TS; powered through an internal switch limited to 3 mA sink current and 2 MHz output rate, unsuitable for driving LEDs. |
| 3 | PC14-OSC32_IN | bidirectional | 5V-tolerant GPIO port C pin 14 (except in oscillator mode) doubling as the 32.768 kHz low-speed external oscillator input OSC32_IN; alternate function EVENTOUT. |
| 4 | PC15-OSC32_OUT | bidirectional | 5V-tolerant GPIO port C pin 15 (except in oscillator mode) doubling as the 32.768 kHz low-speed external oscillator output OSC32_OUT; alternate function EVENTOUT. |
| 5 | PH0-OSC_IN | bidirectional | 5V-tolerant GPIO port H pin 0 (except in oscillator mode) doubling as the 4-26 MHz high-speed external oscillator input OSC_IN; alternate function EVENTOUT. |
| 6 | PH1-OSC_OUT | bidirectional | 5V-tolerant GPIO port H pin 1 (except in oscillator mode) doubling as the high-speed external oscillator output OSC_OUT; alternate function EVENTOUT. |
| 7 | NRST | bidirectional | Bidirectional reset pin with an internal weak pull-up resistor; driving it low resets the device; datasheet also lists EVENTOUT as an associated function. |
| 8 | PC0 | bidirectional | 5V-tolerant GPIO port C pin 0 with alternate function EVENTOUT and analog input ADC1_IN10. |
| 9 | PC1 | bidirectional | 5V-tolerant GPIO port C pin 1 with alternate function EVENTOUT and analog input ADC1_IN11. |
| 10 | PC2 | bidirectional | 5V-tolerant GPIO port C pin 2 with alternate functions SPI2_MISO/I2S2ext_SD, EVENTOUT, and analog input ADC1_IN12. |
| 11 | PC3 | bidirectional | 5V-tolerant GPIO port C pin 3 with alternate functions SPI2_MOSI/I2S2_SD, EVENTOUT, and analog input ADC1_IN13. |
| 12 | VSSA/VREF- | power_in | Analog ground and negative voltage reference input; must be decoupled and connected to VSS. |
| 13 | VDDA/VREF+ | power_in | Analog power supply and positive voltage reference input (1.7 V to 3.6 V) for the ADC, reset block, RC oscillators and PLL; must be decoupled and connected to VDD. |
| 14 | PA0 | bidirectional | 5V-tolerant GPIO port A pin 0 with alternate functions USART2_CTS, TIM2_CH1/TIM2_ETR, TIM5_CH1, EVENTOUT, analog input ADC1_IN0, and wakeup function WKUP. |
| 15 | PA1 | bidirectional | 5V-tolerant GPIO port A pin 1 with alternate functions USART2_RTS, TIM2_CH2, TIM5_CH2, EVENTOUT, and analog input ADC1_IN1. |
| 16 | PA2 | bidirectional | 5V-tolerant GPIO port A pin 2 with alternate functions USART2_TX, TIM2_CH3, TIM5_CH3, TIM9_CH1, EVENTOUT, and analog input ADC1_IN2. |
| 17 | PA3 | bidirectional | 5V-tolerant GPIO port A pin 3 with alternate functions USART2_RX, TIM2_CH4, TIM5_CH4, TIM9_CH2, EVENTOUT, and analog input ADC1_IN3. |
| 18 | VSS | power_in | Digital ground supply pin. |
| 19 | VDD | power_in | Digital power supply input, 1.8 V to 3.6 V, for I/O and the internal voltage regulator. |
| 20 | PA4 | bidirectional | 5V-tolerant GPIO port A pin 4 with alternate functions SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, EVENTOUT, and analog input ADC1_IN4. |
| 21 | PA5 | bidirectional | 5V-tolerant GPIO port A pin 5 with alternate functions SPI1_SCK, TIM2_CH1/TIM2_ETR, EVENTOUT, and analog input ADC1_IN5. |
| 22 | PA6 | bidirectional | 5V-tolerant GPIO port A pin 6 with alternate functions SPI1_MISO, TIM1_BKIN, TIM3_CH1, EVENTOUT, and analog input ADC1_IN6. |
| 23 | PA7 | bidirectional | 5V-tolerant GPIO port A pin 7 with alternate functions SPI1_MOSI, TIM1_CH1N, TIM3_CH2, EVENTOUT, and analog input ADC1_IN7. |
| 24 | PC4 | bidirectional | 5V-tolerant GPIO port C pin 4 with alternate function EVENTOUT and analog input ADC1_IN14. |
| 25 | PC5 | bidirectional | 5V-tolerant GPIO port C pin 5 with alternate function EVENTOUT and analog input ADC1_IN15. |
| 26 | PB0 | bidirectional | 5V-tolerant GPIO port B pin 0 with alternate functions TIM1_CH2N, TIM3_CH3, EVENTOUT, and analog input ADC1_IN8. |
| 27 | PB1 | bidirectional | 5V-tolerant GPIO port B pin 1 with alternate functions TIM1_CH3N, TIM3_CH4, EVENTOUT, and analog input ADC1_IN9. |
| 28 | PB2 | bidirectional | 5V-tolerant GPIO port B pin 2 with alternate function EVENTOUT; also serves as the BOOT1 boot-mode selection pin. |
| 29 | PB10 | bidirectional | 5V-tolerant GPIO port B pin 10 with alternate functions SPI2_SCK/I2S2_CK, I2C2_SCL, TIM2_CH3, EVENTOUT. |
| 30 | VCAP_1 | power_out | Internal voltage regulator output requiring an external ceramic decoupling capacitor (typ. 4.7 µF, ESR ≤ 1 Ω) to ground for the 1.2 V core domain. |
| 31 | VSS | power_in | Digital ground supply pin. |
| 32 | VDD | power_in | Digital power supply input, 1.8 V to 3.6 V. |
| 33 | PB12 | bidirectional | 5V-tolerant GPIO port B pin 12 with alternate functions SPI2_NSS/I2S2_WS, I2C2_SMBA, TIM1_BKIN, EVENTOUT. |
| 34 | PB13 | bidirectional | 5V-tolerant GPIO port B pin 13 with alternate functions SPI2_SCK/I2S2_CK, TIM1_CH1N, EVENTOUT. |
| 35 | PB14 | bidirectional | 5V-tolerant GPIO port B pin 14 with alternate functions SPI2_MISO/I2S2ext_SD, TIM1_CH2N, EVENTOUT. |
| 36 | PB15 | bidirectional | 5V-tolerant GPIO port B pin 15 with alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH3N, EVENTOUT, and RTC_REFIN reference input. |
| 37 | PC6 | bidirectional | 5V-tolerant GPIO port C pin 6 with alternate functions I2S2_MCK, USART6_TX, TIM3_CH1, SDIO_D6, EVENTOUT. |
| 38 | PC7 | bidirectional | 5V-tolerant GPIO port C pin 7 with alternate functions I2S3_MCK, USART6_RX, TIM3_CH2, SDIO_D7, EVENTOUT. |
| 39 | PC8 | bidirectional | 5V-tolerant GPIO port C pin 8 with alternate functions USART6_CK, TIM3_CH3, SDIO_D0, EVENTOUT. |
| 40 | PC9 | bidirectional | 5V-tolerant GPIO port C pin 9 with alternate functions I2S_CKIN, I2C3_SDA, TIM3_CH4, SDIO_D1, MCO_2, EVENTOUT. |
| 41 | PA8 | bidirectional | 5V-tolerant GPIO port A pin 8 with alternate functions I2C3_SCL, USART1_CK, TIM1_CH1, OTG_FS_SOF, MCO_1, EVENTOUT. |
| 42 | PA9 | bidirectional | 5V-tolerant GPIO port A pin 9 with alternate functions I2C3_SMBA, USART1_TX, TIM1_CH2, EVENTOUT, and OTG_FS_VBUS sensing. |
| 43 | PA10 | bidirectional | 5V-tolerant GPIO port A pin 10 with alternate functions USART1_RX, TIM1_CH3, OTG_FS_ID, EVENTOUT. |
| 44 | PA11 | bidirectional | 5V-tolerant GPIO port A pin 11 with alternate functions USART1_CTS, USART6_TX, TIM1_CH4, OTG_FS_DM, EVENTOUT. |
| 45 | PA12 | bidirectional | 5V-tolerant GPIO port A pin 12 with alternate functions USART1_RTS, USART6_RX, TIM1_ETR, OTG_FS_DP, EVENTOUT. |
| 46 | PA13 | bidirectional | 5V-tolerant GPIO port A pin 13, default JTMS-SWDIO debug function, plus EVENTOUT alternate function. |
| 47 | VSS | power_in | Digital ground supply pin. |
| 48 | VDD | power_in | Digital power supply input, 1.8 V to 3.6 V. |
| 49 | PA14 | bidirectional | 5V-tolerant GPIO port A pin 14, default JTCK-SWCLK debug function, plus EVENTOUT alternate function. |
| 50 | PA15 | bidirectional | 5V-tolerant GPIO port A pin 15, default JTDI debug function, with alternate functions SPI1_NSS, SPI3_NSS/I2S3_WS, TIM2_CH1/TIM2_ETR, EVENTOUT. |
| 51 | PC10 | bidirectional | 5V-tolerant GPIO port C pin 10 with alternate functions SPI3_SCK/I2S3_CK, SDIO_D2, EVENTOUT. |
| 52 | PC11 | bidirectional | 5V-tolerant GPIO port C pin 11 with alternate functions I2S3ext_SD, SPI3_MISO, SDIO_D3, EVENTOUT. |
| 53 | PC12 | bidirectional | 5V-tolerant GPIO port C pin 12 with alternate functions SPI3_MOSI/I2S3_SD, SDIO_CK, EVENTOUT. |
| 54 | PD2 | bidirectional | 5V-tolerant GPIO port D pin 2 with alternate functions TIM3_ETR, SDIO_CMD, EVENTOUT. |
| 55 | PB3 | bidirectional | 5V-tolerant GPIO port B pin 3, default JTDO-SWO debug function, with alternate functions SPI1_SCK, SPI3_SCK/I2S3_CK, I2C2_SDA, TIM2_CH2, EVENTOUT. |
| 56 | PB4 | bidirectional | 5V-tolerant GPIO port B pin 4, default NJTRST debug function, with alternate functions SPI1_MISO, SPI3_MISO/I2S3ext_SD, I2C3_SDA, TIM3_CH1, EVENTOUT. |
| 57 | PB5 | bidirectional | 5V-tolerant GPIO port B pin 5 with alternate functions SPI1_MOSI, SPI3_MOSI/I2S3_SD, I2C1_SMBA, TIM3_CH2, EVENTOUT. |
| 58 | PB6 | bidirectional | 5V-tolerant GPIO port B pin 6 with alternate functions I2C1_SCL, USART1_TX, TIM4_CH1, EVENTOUT. |
| 59 | PB7 | bidirectional | 5V-tolerant GPIO port B pin 7 with alternate functions I2C1_SDA, USART1_RX, TIM4_CH2, EVENTOUT. |
| 60 | BOOT0 | input | Dedicated boot-mode selection input sampled at reset to choose booting from user Flash, system memory, or embedded SRAM; also labeled VPP. |
| 61 | PB8 | bidirectional | 5V-tolerant GPIO port B pin 8 with alternate functions I2C1_SCL, TIM4_CH3, TIM10_CH1, SDIO_D4, EVENTOUT. |
| 62 | PB9 | bidirectional | 5V-tolerant GPIO port B pin 9 with alternate functions SPI2_NSS/I2S2_WS, I2C1_SDA, TIM4_CH4, TIM11_CH1, SDIO_D5, EVENTOUT. |
| 63 | VSS | power_in | Digital ground supply pin. |
| 64 | VDD | power_in | Digital power supply input, 1.8 V to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
STM32F402RCT6 - Footprint:
Package_QFP:LQFP-64_10x10mm_P0.5mm - 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
stm32f402rct6-etched.step/stm32f402rct6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f402rct6.step/stm32f402rct6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (51 pp, sha256
446178d3745d4a93, retrieved 2026-09-22, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).