# STM32F302RCT6

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

STM32F302RCT6 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 | Backup power supply for RTC and backup registers, voltage range 2.0-3.6 V. |
| 2 | PC13 | bidirectional | GPIO port C pin 13, 3.3 V I/O, selectable alternate functions include TIM1_CH1N with RTC TAMP1, WKUP2, RTC_TS and RTC_OUT capability. |
| 3 | PC14 | bidirectional | OSC32_IN oscillator input pin, 3.3 V I/O, supports 32 kHz crystal connection for RTC. |
| 4 | PC15 | bidirectional | OSC32_OUT oscillator output pin, 3.3 V I/O, supports 32 kHz crystal connection for RTC. |
| 5 | PF0 | bidirectional | GPIO port F pin 0, 5 V tolerant FTf I/O, selectable alternate functions include OSC_IN, I2C2_SDA, TIM1_CH3N. |
| 6 | PF1 | bidirectional | GPIO port F pin 1, 5 V tolerant FTf I/O, selectable alternate functions include OSC_OUT and I2C2_SCL. |
| 7 | NRST | bidirectional | Active-low device reset input with embedded weak pull-up resistor, bidirectional reset pin for internal/external reset signaling. |
| 8 | PC0 | bidirectional | GPIO port C pin 0, 3.3 V tolerant TTa I/O directly connected to ADC12_IN6, supports EVENTOUT alternate function. |
| 9 | PC1 | bidirectional | GPIO port C pin 1, 3.3 V tolerant TTa I/O directly connected to ADC12_IN7, supports EVENTOUT alternate function. |
| 10 | PC2 | bidirectional | GPIO port C pin 2, 3.3 V tolerant TTa I/O directly connected to ADC12_IN8, supports EVENTOUT and COMP7_OUT alternate functions. |
| 11 | PC3 | bidirectional | GPIO port C pin 3, 3.3 V tolerant TTa I/O directly connected to ADC12_IN9, supports TIM1_BKIN2 and EVENTOUT alternate functions. |
| 12 | VSSA/VREF- | power_in | Analog ground and negative reference voltage supply for ADC, DAC, comparators and OPAMP peripherals, voltage range 0-3.6 V. |
| 13 | VDDA/VREF+ | power_in | Analog power supply and positive reference voltage for ADC, DAC, and analog peripherals, voltage range 2.0-3.6 V. |
| 14 | PA0 | bidirectional | GPIO port A pin 0, 3.3 V tolerant TTa I/O connected to ADC1_IN1, supports USART2_CTS, TIM2_CH1_ETR, COMP1_OUT, RTC_TAMP2 and WKUP1 alternate functions. |
| 15 | PA1 | bidirectional | GPIO port A pin 1, 3.3 V tolerant TTa I/O connected to ADC1_IN2, supports USART2_RTS_DE, TIM2_CH2, TIM15_CH1N, RTC_REFIN and COMP1_INP alternate functions. |
| 16 | PA2 | bidirectional | GPIO port A pin 2, 3.3 V tolerant TTa I/O connected to ADC1_IN3 and OPAMP1_VOUT, supports USART2_TX, TIM2_CH3, TIM15_CH1 and COMP2_OUT alternate functions. |
| 17 | PA3 | bidirectional | GPIO port A pin 3, 3.3 V tolerant TTa I/O connected to ADC1_IN4, supports USART2_RX, TIM2_CH4, TIM15_CH2 and COMP2_INP alternate functions. |
| 18 | PF4 | bidirectional | GPIO port F pin 4, 3.3 V tolerant TTa I/O connected to ADC1_IN5, supports COMP1_OUT and EVENTOUT alternate functions. |
| 19 | VDD | power_in | Digital power supply for core and I/O cells, voltage range 2.0-3.6 V. |
| 20 | PA4 | bidirectional | GPIO port A pin 4, 3.3 V tolerant TTa I/O connected to ADC2_IN1 and DAC1_OUT1, supports SPI1_NSS, USART2_CK and multiple comparator INM alternate functions. |
| 21 | PA5 | bidirectional | GPIO port A pin 5, 3.3 V tolerant TTa I/O connected to ADC2_IN2, supports SPI1_SCK, TIM2_CH1_ETR and multiple comparator INM alternate functions. |
| 22 | PA6 | bidirectional | GPIO port A pin 6, 3.3 V tolerant TTa I/O connected to ADC2_IN3 and OPAMP2_VOUT, supports SPI1_MISO, TIM3_CH1 and TIM1_BKIN alternate functions. |
| 23 | PA7 | bidirectional | GPIO port A pin 7, 3.3 V tolerant TTa I/O connected to ADC2_IN4, supports SPI1_MOSI, TIM3_CH2, TIM17_CH1 and TIM1_CH1N alternate functions. |
| 24 | PC4 | bidirectional | GPIO port C pin 4, 3.3 V tolerant TTa I/O connected to ADC2_IN5, supports USART1_TX and EVENTOUT alternate functions. |
| 25 | PC5 | bidirectional | GPIO port C pin 5, 3.3 V tolerant TTa I/O connected to ADC2_IN11, supports USART1_RX, TSC_G3_IO1 and OPAMP2_VINM alternate functions. |
| 26 | PB0 | bidirectional | GPIO port B pin 0, 3.3 V tolerant TTa I/O, supports TIM3_CH3, TIM1_CH2N, TSC_G3_IO2 and COMP4_INP alternate functions. |
| 27 | PB1 | bidirectional | GPIO port B pin 1, 3.3 V tolerant TTa I/O, supports TIM3_CH4, TIM1_CH3N and COMP4_OUT alternate functions. |
| 28 | PB2 | bidirectional | GPIO port B pin 2, 3.3 V tolerant TTa I/O connected to ADC2_IN12, supports TSC_G3_IO4 and COMP4_INM alternate functions. |
| 29 | PB10 | bidirectional | GPIO port B pin 10, 3.3 V tolerant TTa I/O, supports USART3_TX, TIM2_CH3 and TSC_SYNC alternate functions. |
| 30 | PB11 | bidirectional | GPIO port B pin 11, 3.3 V tolerant TTa I/O, supports USART3_RX, TIM2_CH4, TSC_G6_IO1 and COMP6_INP alternate functions. |
| 31 | VSS | power_in | Digital ground reference for core and I/O cells. |
| 32 | VDD | power_in | Digital power supply for core and I/O cells, voltage range 2.0-3.6 V. |
| 33 | PB12 | bidirectional | GPIO port B pin 12, 3.3 V tolerant TTa I/O, supports SPI2_NSS, I2C2_SMBA, USART3_CK and TIM1_BKIN alternate functions. |
| 34 | PB13 | bidirectional | GPIO port B pin 13, 3.3 V tolerant TTa I/O, supports SPI2_SCK, USART3_CTS and TIM1_CH1N alternate functions. |
| 35 | PB14 | bidirectional | GPIO port B pin 14, 3.3 V tolerant TTa I/O, supports SPI2_MISO, USART3_RTS_DE, TIM1_CH2N and TIM15_CH1 alternate functions. |
| 36 | PB15 | bidirectional | GPIO port B pin 15, 3.3 V tolerant TTa I/O, supports SPI2_MOSI, TIM1_CH3N, TIM15_CH1N and TIM15_CH2 alternate functions. |
| 37 | PC6 | bidirectional | GPIO port C pin 6, 5 V tolerant FT I/O, supports I2S2_MCK, COMP6_OUT and TIM3_CH1 alternate functions. |
| 38 | PC7 | bidirectional | GPIO port C pin 7, 5 V tolerant FT I/O, supports I2S3_MCK and TIM3_CH2 alternate functions. |
| 39 | PC8 | bidirectional | GPIO port C pin 8, 5 V tolerant FT I/O, supports TIM3_CH3 and EVENTOUT alternate functions. |
| 40 | PC9 | bidirectional | GPIO port C pin 9, 5 V tolerant FT I/O, supports TIM3_CH4 and I2S_CKIN alternate functions. |
| 41 | PA8 | bidirectional | GPIO port A pin 8, 5 V tolerant FT I/O, supports I2C2_SMBA, TIM1_CH1, TIM4_ETR and MCO alternate functions. |
| 42 | PA9 | bidirectional | GPIO port A pin 9, 5 V tolerant FTf FM+ capable I/O, supports I2C2_SCL, USART1_TX, TIM1_CH2 and TIM15_BKIN alternate functions. |
| 43 | PA10 | bidirectional | GPIO port A pin 10, 5 V tolerant FTf FM+ capable I/O, supports I2C2_SDA, USART1_RX, TIM1_CH3 and COMP6_OUT alternate functions. |
| 44 | PA11 | bidirectional | GPIO port A pin 11, 5 V tolerant FT I/O, supports USART1_CTS, USB_DM, CAN_RX and TIM1 alternate functions. |
| 45 | PA12 | bidirectional | GPIO port A pin 12, 5 V tolerant FT I/O, supports USART1_RTS_DE, USB_DP, CAN_TX and TIM1 alternate functions. |
| 46 | PA13 | bidirectional | GPIO port A pin 13, 5 V tolerant FT I/O, supports USART3_CTS, TIM16_CH1N, TSC_G4_IO3, IR_OUT and SWDIO-JTMS alternate functions. |
| 47 | VSS | power_in | Digital ground reference for core and I/O cells. |
| 48 | VDD | power_in | Digital power supply for core and I/O cells, voltage range 2.0-3.6 V. |
| 49 | PA14 | bidirectional | GPIO port A pin 14, 5 V tolerant FTf FM+ capable I/O, supports I2C1_SDA, USART2_TX, TIM1_BKIN and SWCLK-JTCK alternate functions. |
| 50 | PA15 | bidirectional | GPIO port A pin 15, 5 V tolerant FTf FM+ capable I/O, supports I2C1_SCL, SPI1_NSS, USART2_RX and JTDI alternate functions. |
| 51 | PC10 | bidirectional | GPIO port C pin 10, 5 V tolerant FT I/O, supports SPI3_SCK, I2S3_CK, USART3_TX and UART4_TX alternate functions. |
| 52 | PC11 | bidirectional | GPIO port C pin 11, 5 V tolerant FT I/O, supports SPI3_MISO, I2S3ext_SD, USART3_RX and UART4_RX alternate functions. |
| 53 | PC12 | bidirectional | GPIO port C pin 12, 5 V tolerant FT I/O, supports SPI3_MOSI, I2S3_SD, USART3_CK and UART5_TX alternate functions. |
| 54 | PD2 | bidirectional | GPIO port D pin 2, 5 V tolerant FT I/O, supports UART5_RX and TIM3_ETR alternate functions. |
| 55 | PB3 | bidirectional | GPIO port B pin 3, 5 V tolerant FT I/O, supports SPI3_SCK, I2S3_CK, USART2_TX and JTDO-TRACESWO alternate functions. |
| 56 | PB4 | bidirectional | GPIO port B pin 4, 5 V tolerant FT I/O, supports SPI3_MISO, I2S3ext_SD, USART2_RX, TIM3_CH1 and NJTRST alternate functions. |
| 57 | PB5 | bidirectional | GPIO port B pin 5, 5 V tolerant FT I/O, supports SPI3_MOSI, I2S3_SD, I2C1_SMBA and TIM17_CH1 alternate functions. |
| 58 | PB6 | bidirectional | GPIO port B pin 6, 5 V tolerant FTf FM+ capable I/O, supports I2C1_SCL, USART1_TX, TIM16_CH1N and TIM4_CH1 alternate functions. |
| 59 | PB7 | bidirectional | GPIO port B pin 7, 5 V tolerant FTf FM+ capable I/O, supports I2C1_SDA, USART1_RX, TIM3_CH4 and TIM17_CH1N alternate functions. |
| 60 | BOOT0 | input | Dedicated boot memory selection pin, determines whether code executes from Flash or system bootloader at reset. |
| 61 | PB8 | bidirectional | GPIO port B pin 8, 5 V tolerant FTf FM+ capable I/O, supports I2C1_SCL, CAN_RX, TIM16_CH1 and TIM1_BKIN alternate functions. |
| 62 | PB9 | bidirectional | GPIO port B pin 9, 5 V tolerant FTf FM+ capable I/O, supports I2C1_SDA, CAN_TX, TIM17_CH1 and IR_OUT alternate functions. |
| 63 | VSS | power_in | Digital ground reference for core and I/O cells. |
| 64 | VDD | power_in | Digital power supply for core and I/O cells, voltage range 2.0-3.6 V. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `STM32F302RCT6`
- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`
- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files: `stm32f302rct6-etched.step` / `stm32f302rct6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f302rct6.step` / `stm32f302rct6.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182464033738752) (144 pp, sha256 `a6962e6b690c3017`, retrieved 2026-10-05, 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](docs/stm32f302rct6-datasheet.pdf)