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STM32F446RET7
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Datasheet-verified pinout, KiCad symbol/footprint/3D.
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README.mdadded+100@@ -0,0 +1,100 @@+# STM32F446RET7++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)++STM32F446RET7 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 | Backup power supply pin (1.65 V to 3.6 V) for RTC, external 32 kHz oscillator and backup registers when VDD is not present. |+| 2 | PC13 | bidirectional | Port C pin 13, 5V-tolerant I/O, floating input after reset; alternate function EVENTOUT; additional function TAMP_1/WKUP1. |+| 3 | PC14-OSC32_IN(PC14) | bidirectional | Port C pin 14, 5V-tolerant I/O; alternate function EVENTOUT; additional function OSC32_IN (LSE 32.768 kHz oscillator input). |+| 4 | PC15-OSC32_OUT(PC15) | bidirectional | Port C pin 15, 5V-tolerant I/O; alternate function EVENTOUT; additional function OSC32_OUT (LSE 32.768 kHz oscillator output). |+| 5 | PH0-OSC_IN(PH0) | bidirectional | Port H pin 0, 5V-tolerant I/O; alternate function EVENTOUT; additional function OSC_IN (4-26 MHz HSE crystal oscillator input). |+| 6 | PH1-OSC_OUT(PH1) | bidirectional | Port H pin 1, 5V-tolerant I/O; alternate function EVENTOUT; additional function OSC_OUT (HSE crystal oscillator output). |+| 7 | NRST | bidirectional | Bidirectional reset pin with internal weak pull-up resistor; driving it low resets the device. |+| 8 | PC0 | bidirectional | Port C pin 0, 5V-tolerant I/O; alternate functions SAI1_MCLK_B, OTG_HS_ULPI_STP, FMC_SDNWE, EVENTOUT; additional function ADC123_IN10. |+| 9 | PC1 | bidirectional | Port C pin 1, 5V-tolerant I/O; alternate functions SPI3_MOSI/I2S3_SD, SAI1_SD_A, SPI2_MOSI/I2S2_SD, EVENTOUT; additional function ADC123_IN11. |+| 10 | PC2 | bidirectional | Port C pin 2, 5V-tolerant I/O; alternate functions SPI2_MISO, OTG_HS_ULPI_DIR, FMC_SDNE0, EVENTOUT; additional function ADC123_IN12. |+| 11 | PC3 | bidirectional | Port C pin 3, 5V-tolerant I/O; alternate functions SPI2_MOSI/I2S2_SD, OTG_HS_ULPI_NXT, FMC_SDCKE0, EVENTOUT; additional function ADC123_IN13. |+| 12 | VSSA/VREF- | power_in | Analog ground; on the LQFP64 package this pad also serves as the ADC/DAC negative reference VREF-. |+| 13 | VDDA/VREF+ | power_in | Analog power supply (1.7 V to 3.6 V); on the LQFP64 package this pad also serves as the ADC/DAC positive reference VREF+. |+| 14 | PA0-WKUP(PA0) | bidirectional | Port A pin 0, 5V-tolerant I/O; alternate functions TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, EVENTOUT; additional functions ADC123_IN0 and WKUP0/TAMP_2 wakeup input. |+| 15 | PA1 | bidirectional | Port A pin 1, 5V-tolerant I/O; alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX, QUADSPI_BK1_IO3, SAI2_MCLK_B, EVENTOUT; additional function ADC123_IN1. |+| 16 | PA2 | bidirectional | Port A pin 2, 5V-tolerant I/O; alternate functions TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, SAI2_SCK_B, EVENTOUT; additional function ADC123_IN2. |+| 17 | PA3 | bidirectional | Port A pin 3, 5V-tolerant I/O; alternate functions TIM2_CH4, TIM5_CH4, TIM9_CH2, SAI1_FS_A, USART2_RX, OTG_HS_ULPI_D0, EVENTOUT; additional function ADC123_IN3. |+| 18 | VSS | power_in | Ground pin. |+| 19 | VDD | power_in | Digital power supply pin, 1.7 V to 3.6 V application supply. |+| 20 | PA4 | bidirectional | Port A pin 4, 3.3V-tolerant I/O directly connected to ADC (TTa); alternate functions SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, OTG_HS_SOF, DCMI_HSYNC, EVENTOUT; additional functions ADC12_IN4, DAC_OUT1. |+| 21 | PA5 | bidirectional | Port A pin 5, 3.3V-tolerant I/O directly connected to ADC (TTa); alternate functions TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK/I2S1_CK, OTG_HS_ULPI_CK, EVENTOUT; additional functions ADC12_IN5, DAC_OUT2. |+| 22 | PA6 | bidirectional | Port A pin 6, 5V-tolerant I/O; alternate functions TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, I2S2_MCK, TIM13_CH1, DCMI_PIXCLK, EVENTOUT; additional function ADC12_IN6. |+| 23 | PA7 | bidirectional | Port A pin 7, 5V-tolerant I/O; alternate functions TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI/I2S1_SD, TIM14_CH1, FMC_SDNWE, EVENTOUT; additional function ADC12_IN7. |+| 24 | PC4 | bidirectional | Port C pin 4, 5V-tolerant I/O; alternate functions I2S1_MCK, SPDIFRX_IN2, FMC_SDNE0, EVENTOUT; additional function ADC12_IN14. |+| 25 | PC5 | bidirectional | Port C pin 5, 5V-tolerant I/O; alternate functions USART3_RX, SPDIFRX_IN3, FMC_SDCKE0, EVENTOUT; additional function ADC12_IN15. |+| 26 | PB0 | bidirectional | Port B pin 0, 5V-tolerant I/O; alternate functions TIM1_CH2N, TIM3_CH3, TIM8_CH2N, SPI3_MOSI/I2S3_SD, UART4_CTS, OTG_HS_ULPI_D1, SDIO_D1, EVENTOUT; additional function ADC12_IN8. |+| 27 | PB1 | bidirectional | Port B pin 1, 5V-tolerant I/O; alternate functions TIM1_CH3N, TIM3_CH4, TIM8_CH3N, OTG_HS_ULPI_D2, SDIO_D2, EVENTOUT; additional function ADC12_IN9. |+| 28 | PB2-BOOT1(PB2) | bidirectional | Port B pin 2, 5V-tolerant I/O, also BOOT1 boot-mode selection pin; alternate functions TIM2_CH4, SAI1_SD_A, SPI3_MOSI/I2S3_SD, QUADSPI_CLK, OTG_HS_ULPI_D4, SDIO_CK, EVENTOUT. |+| 29 | PB10 | bidirectional | Port B pin 10, 5V-tolerant I/O; alternate functions TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, SAI1_SCK_A, USART3_TX, OTG_HS_ULPI_D3, EVENTOUT. |+| 30 | VCAP_1 | power_out | Internal voltage regulator output; requires an external decoupling capacitor to ground per Table 18 VCAP_1/VCAP_2 operating conditions. |+| 31 | VSS | power_in | Ground pin. |+| 32 | VDD | power_in | Digital power supply pin, 1.7 V to 3.6 V application supply. |+| 33 | PB12 | bidirectional | Port B pin 12, 5V-tolerant I/O; alternate functions TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, SAI1_SCK_B, USART3_CK, CAN2_RX, OTG_HS_ULPI_D5, OTG_HS_ID, EVENTOUT. |+| 34 | PB13 | bidirectional | Port B pin 13, 5V-tolerant I/O; alternate functions TIM1_CH1N, SPI2_SCK/I2S2_CK, USART3_CTS, CAN2_TX, OTG_HS_ULPI_D6, EVENTOUT; additional function OTG_HS_VBUS. |+| 35 | PB14 | bidirectional | Port B pin 14, 5V-tolerant I/O, powered from VDDUSB; alternate functions TIM1_CH2N, TIM8_CH2N, SPI2_MISO, USART3_RTS, TIM12_CH1, OTG_HS_DM, EVENTOUT. |+| 36 | PB15 | bidirectional | Port B pin 15, 5V-tolerant I/O, powered from VDDUSB; alternate functions RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI/I2S2_SD, TIM12_CH2, OTG_HS_DP, EVENTOUT. |+| 37 | PC6 | bidirectional | Port C pin 6, 5V-tolerant I/O with I2C FM+ option (FTf); alternate functions TIM3_CH1, TIM8_CH1, FMPI2C1_SCL, I2S2_MCK, USART6_TX, SDIO_D6, DCMI_D0, EVENTOUT. |+| 38 | PC7 | bidirectional | Port C pin 7, 5V-tolerant I/O with I2C FM+ option (FTf); alternate functions TIM3_CH2, TIM8_CH2, FMPI2C1_SDA, SPI2_SCK/I2S2_CK, I2S3_MCK, SPDIFRX_IN1, USART6_RX, SDIO_D7, DCMI_D1, EVENTOUT. |+| 39 | PC8 | bidirectional | Port C pin 8, 5V-tolerant I/O; alternate functions TRACED0, TIM3_CH3, TIM8_CH3, UART5_RTS, USART6_CK, SDIO_D0, DCMI_D2, EVENTOUT. |+| 40 | PC9 | bidirectional | Port C pin 9, 5V-tolerant I/O; alternate functions MCO2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S_CKIN, UART5_CTS, QUADSPI_BK1_IO0, SDIO_D1, DCMI_D3, EVENTOUT. |+| 41 | PA8 | bidirectional | Port A pin 8, 5V-tolerant I/O; alternate functions MCO1, TIM1_CH1, I2C3_SCL, USART1_CK, OTG_FS_SOF, EVENTOUT. |+| 42 | PA9 | bidirectional | Port A pin 9, 5V-tolerant I/O; alternate functions TIM1_CH2, I2C3_SMBA, SPI2_SCK/I2S2_CK, SAI1_SD_B, USART1_TX, DCMI_D0, EVENTOUT; additional function OTG_FS_VBUS. |+| 43 | PA10 | bidirectional | Port A pin 10, 5V-tolerant I/O; alternate functions TIM1_CH3, USART1_RX, OTG_FS_ID, DCMI_D1, EVENTOUT. |+| 44 | PA11 | bidirectional | Port A pin 11, 5V-tolerant I/O, powered from VDDUSB; alternate functions TIM1_CH4, USART1_CTS, CAN1_RX, OTG_FS_DM, EVENTOUT. |+| 45 | PA12 | bidirectional | Port A pin 12, 5V-tolerant I/O, powered from VDDUSB; alternate functions TIM1_ETR, USART1_RTS, SAI2_FS_B, CAN1_TX, OTG_FS_DP, EVENTOUT. |+| 46 | PA13(JTMS-SWDIO) | bidirectional | Port A pin 13, 5V-tolerant I/O, default JTMS-SWDIO debug function; alternate function EVENTOUT. |+| 47 | VSS | power_in | Ground pin. |+| 48 | VDD | power_in | Digital power supply pin, 1.7 V to 3.6 V application supply. |+| 49 | PA14(JTCK-SWCLK) | bidirectional | Port A pin 14, 5V-tolerant I/O, default JTCK-SWCLK debug function; alternate function EVENTOUT. |+| 50 | PA15(JTDI) | bidirectional | Port A pin 15, 5V-tolerant I/O, default JTDI debug function; alternate functions TIM2_CH1/TIM2_ETR, HDMI_CEC, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, UART4_RTS, EVENTOUT. |+| 51 | PC10 | bidirectional | Port C pin 10, 5V-tolerant I/O; alternate functions SPI3_SCK/I2S3_CK, USART3_TX, UART4_TX, QUADSPI_BK1_IO1, SDIO_D2, DCMI_D8, EVENTOUT. |+| 52 | PC11 | bidirectional | Port C pin 11, 5V-tolerant I/O; alternate functions SPI3_MISO, USART3_RX, UART4_RX, QUADSPI_BK2_NCS, SDIO_D3, DCMI_D4, EVENTOUT. |+| 53 | PC12 | bidirectional | Port C pin 12, 5V-tolerant I/O; alternate functions I2C2_SDA, SPI3_MOSI/I2S3_SD, USART3_CK, UART5_TX, SDIO_CK, DCMI_D9, EVENTOUT. |+| 54 | PD2 | bidirectional | Port D pin 2, 5V-tolerant I/O; alternate functions TIM3_ETR, UART5_RX, SDIO_CMD, DCMI_D11, EVENTOUT. |+| 55 | PB3(JTDO/TRACESWO) | bidirectional | Port B pin 3, 5V-tolerant I/O, default JTDO/TRACESWO debug function; alternate functions TIM2_CH2, I2C2_SDA, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, EVENTOUT. |+| 56 | PB4(NJTRST) | bidirectional | Port B pin 4, 5V-tolerant I/O, default NJTRST debug function; alternate functions TIM3_CH1, I2C3_SDA, SPI1_MISO, SPI3_MISO, SPI2_NSS/I2S2_WS, EVENTOUT. |+| 57 | PB5 | bidirectional | Port B pin 5, 5V-tolerant I/O; alternate functions TIM3_CH2, I2C1_SMBA, SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, CAN2_RX, OTG_HS_ULPI_D7, FMC_SDCKE1, DCMI_D10, EVENTOUT. |+| 58 | PB6 | bidirectional | Port B pin 6, 5V-tolerant I/O; alternate functions TIM4_CH1, HDMI_CEC, I2C1_SCL, USART1_TX, CAN2_TX, QUADSPI_BK1_NCS, FMC_SDNE1, DCMI_D5, EVENTOUT. |+| 59 | PB7 | bidirectional | Port B pin 7, 5V-tolerant I/O; alternate functions TIM4_CH2, I2C1_SDA, USART1_RX, SPDIFRX_IN0, FMC_NL, DCMI_VSYNC, EVENTOUT. |+| 60 | BOOT0 | input | Dedicated boot-mode selection input pin (also used as VPP during Flash programming); sampled at reset to select the boot memory. |+| 61 | PB8 | bidirectional | Port B pin 8, 5V-tolerant I/O; alternate functions TIM2_CH1/TIM2_ETR, TIM4_CH3, TIM10_CH1, I2C1_SCL, CAN1_RX, SDIO_D4, DCMI_D6, EVENTOUT. |+| 62 | PB9 | bidirectional | Port B pin 9, 5V-tolerant I/O; alternate functions TIM2_CH2, TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, SAI1_FS_B, CAN1_TX, SDIO_D5, DCMI_D7, EVENTOUT. |+| 63 | VSS | power_in | Ground pin. |+| 64 | VDD | power_in | Digital power supply pin, 1.7 V to 3.6 V application supply. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-64(10x10) |+| Category | Embedded Processors & Controllers |+| Pins | 64 |++## CAD (KiCad official)++- Symbol: `STM32F446RET7`+- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`+- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)+- 3D model files: `stm32f446ret7-etched.step` / `stm32f446ret7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f446ret7.step` / `stm32f446ret7.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/8588923554770898944) (198 pp, sha256 `3902cf9f939a0ef6`, 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](docs/stm32f446ret7-datasheet.pdf)
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Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32f446ret7",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32f446ret7.kicad_sym",+ "stm32f446ret7.kicad_mod",+ "stm32f446ret7.glb",+ "stm32f446ret7.step",+ "stm32f446ret7.lbr",+ "docs/hero.png",+ "docs/stm32f446ret7-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32F446RET7",+ "manufacturer": "STMicroelectronics",+ "package": "LQFP-64(10x10)",+ "pin_count": 64,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923554770898944",+ "parts": {+ "symbol": "stm32f446ret7.kicad_sym",+ "footprint": "stm32f446ret7.kicad_mod",+ "model_3d": "stm32f446ret7-etched.glb",+ "model_3d_plain": "stm32f446ret7.glb",+ "model_3d_step": "stm32f446ret7-etched.step",+ "model_3d_step_plain": "stm32f446ret7.step",+ "lbr": "stm32f446ret7.lbr"+ },+ "distributor_links": {+ "lcsc": "C1343794"+ },+ "pins": [+ {+ "number": "1",+ "name": "VBAT",+ "type": "power_in",+ "description": "Backup power supply pin (1.65 V to 3.6 V) for RTC, external 32 kHz oscillator and backup registers when VDD is not present."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "Port C pin 13, 5V-tolerant I/O, floating input after reset; alternate function EVENTOUT; additional function TAMP_1/WKUP1."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN(PC14)",+ "type": "bidirectional",+ "description": "Port C pin 14, 5V-tolerant I/O; alternate function EVENTOUT; additional function OSC32_IN (LSE 32.768 kHz oscillator input)."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT(PC15)",+ "type": "bidirectional",+ "description": "Port C pin 15, 5V-tolerant I/O; alternate function EVENTOUT; additional function OSC32_OUT (LSE 32.768 kHz oscillator output)."+ },+ {+ "number": "5",+ "name": "PH0-OSC_IN(PH0)",+ "type": "bidirectional",+ "description": "Port H pin 0, 5V-tolerant I/O; alternate function EVENTOUT; additional function OSC_IN (4-26 MHz HSE crystal oscillator input)."+ },+ {+ "number": "6",+ "name": "PH1-OSC_OUT(PH1)",+ "type": "bidirectional",+ "description": "Port H pin 1, 5V-tolerant I/O; alternate function EVENTOUT; additional function OSC_OUT (HSE crystal oscillator output)."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional reset pin with internal weak pull-up resistor; driving it low resets the device."+ },+ {+ "number": "8",+ "name": "PC0",+ "type": "bidirectional",+ "description": "Port C pin 0, 5V-tolerant I/O; alternate functions SAI1_MCLK_B, OTG_HS_ULPI_STP, FMC_SDNWE, EVENTOUT; additional function ADC123_IN10."+ },+ {+ "number": "9",+ "name": "PC1",+ "type": "bidirectional",+ "description": "Port C pin 1, 5V-tolerant I/O; alternate functions SPI3_MOSI/I2S3_SD, SAI1_SD_A, SPI2_MOSI/I2S2_SD, EVENTOUT; additional function ADC123_IN11."+ },+ {+ "number": "10",+ "name": "PC2",+ "type": "bidirectional",+ "description": "Port C pin 2, 5V-tolerant I/O; alternate functions SPI2_MISO, OTG_HS_ULPI_DIR, FMC_SDNE0, EVENTOUT; additional function ADC123_IN12."+ },+ {+ "number": "11",+ "name": "PC3",+ "type": "bidirectional",+ "description": "Port C pin 3, 5V-tolerant I/O; alternate functions SPI2_MOSI/I2S2_SD, OTG_HS_ULPI_NXT, FMC_SDCKE0, EVENTOUT; additional function ADC123_IN13."+ },+ {+ "number": "12",+ "name": "VSSA/VREF-",+ "type": "power_in",+ "description": "Analog ground; on the LQFP64 package this pad also serves as the ADC/DAC negative reference VREF-."+ },+ {+ "number": "13",+ "name": "VDDA/VREF+",+ "type": "power_in",+ "description": "Analog power supply (1.7 V to 3.6 V); on the LQFP64 package this pad also serves as the ADC/DAC positive reference VREF+."+ },+ {+ "number": "14",+ "name": "PA0-WKUP(PA0)",+ "type": "bidirectional",+ "description": "Port A pin 0, 5V-tolerant I/O; alternate functions TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, EVENTOUT; additional functions ADC123_IN0 and WKUP0/TAMP_2 wakeup input."+ },+ {+ "number": "15",+ "name": "PA1",+ "type": "bidirectional",+ "description": "Port A pin 1, 5V-tolerant I/O; alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX, QUADSPI_BK1_IO3, SAI2_MCLK_B, EVENTOUT; additional function ADC123_IN1."+ },+ {+ "number": "16",+ "name": "PA2",+ "type": "bidirectional",+ "description": "Port A pin 2, 5V-tolerant I/O; alternate functions TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, SAI2_SCK_B, EVENTOUT; additional function ADC123_IN2."+ },+ {+ "number": "17",+ "name": "PA3",+ "type": "bidirectional",+ "description": "Port A pin 3, 5V-tolerant I/O; alternate functions TIM2_CH4, TIM5_CH4, TIM9_CH2, SAI1_FS_A, USART2_RX, OTG_HS_ULPI_D0, EVENTOUT; additional function ADC123_IN3."+ },+ {+ "number": "18",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "19",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply pin, 1.7 V to 3.6 V application supply."+ },+ {+ "number": "20",+ "name": "PA4",+ "type": "bidirectional",+ "description": "Port A pin 4, 3.3V-tolerant I/O directly connected to ADC (TTa); alternate functions SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, OTG_HS_SOF, DCMI_HSYNC, EVENTOUT; additional functions ADC12_IN4, DAC_OUT1."+ },+ {+ "number": "21",+ "name": "PA5",+ "type": "bidirectional",+ "description": "Port A pin 5, 3.3V-tolerant I/O directly connected to ADC (TTa); alternate functions TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK/I2S1_CK, OTG_HS_ULPI_CK, EVENTOUT; additional functions ADC12_IN5, DAC_OUT2."+ },+ {+ "number": "22",+ "name": "PA6",+ "type": "bidirectional",+ "description": "Port A pin 6, 5V-tolerant I/O; alternate functions TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, I2S2_MCK, TIM13_CH1, DCMI_PIXCLK, EVENTOUT; additional function ADC12_IN6."+ },+ {+ "number": "23",+ "name": "PA7",+ "type": "bidirectional",+ "description": "Port A pin 7, 5V-tolerant I/O; alternate functions TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI/I2S1_SD, TIM14_CH1, FMC_SDNWE, EVENTOUT; additional function ADC12_IN7."+ },+ {+ "number": "24",+ "name": "PC4",+ "type": "bidirectional",+ "description": "Port C pin 4, 5V-tolerant I/O; alternate functions I2S1_MCK, SPDIFRX_IN2, FMC_SDNE0, EVENTOUT; additional function ADC12_IN14."+ },+ {+ "number": "25",+ "name": "PC5",+ "type": "bidirectional",+ "description": "Port C pin 5, 5V-tolerant I/O; alternate functions USART3_RX, SPDIFRX_IN3, FMC_SDCKE0, EVENTOUT; additional function ADC12_IN15."+ },+ {+ "number": "26",+ "name": "PB0",+ "type": "bidirectional",+ "description": "Port B pin 0, 5V-tolerant I/O; alternate functions TIM1_CH2N, TIM3_CH3, TIM8_CH2N, SPI3_MOSI/I2S3_SD, UART4_CTS, OTG_HS_ULPI_D1, SDIO_D1, EVENTOUT; additional function ADC12_IN8."+ },+ {+ "number": "27",+ "name": "PB1",+ "type": "bidirectional",+ "description": "Port B pin 1, 5V-tolerant I/O; alternate functions TIM1_CH3N, TIM3_CH4, TIM8_CH3N, OTG_HS_ULPI_D2, SDIO_D2, EVENTOUT; additional function ADC12_IN9."+ },+ {+ "number": "28",+ "name": "PB2-BOOT1(PB2)",+ "type": "bidirectional",+ "description": "Port B pin 2, 5V-tolerant I/O, also BOOT1 boot-mode selection pin; alternate functions TIM2_CH4, SAI1_SD_A, SPI3_MOSI/I2S3_SD, QUADSPI_CLK, OTG_HS_ULPI_D4, SDIO_CK, EVENTOUT."+ },+ {+ "number": "29",+ "name": "PB10",+ "type": "bidirectional",+ "description": "Port B pin 10, 5V-tolerant I/O; alternate functions TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, SAI1_SCK_A, USART3_TX, OTG_HS_ULPI_D3, EVENTOUT."+ },+ {+ "number": "30",+ "name": "VCAP_1",+ "type": "power_out",+ "description": "Internal voltage regulator output; requires an external decoupling capacitor to ground per Table 18 VCAP_1/VCAP_2 operating conditions."+ },+ {+ "number": "31",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "32",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply pin, 1.7 V to 3.6 V application supply."+ },+ {+ "number": "33",+ "name": "PB12",+ "type": "bidirectional",+ "description": "Port B pin 12, 5V-tolerant I/O; alternate functions TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, SAI1_SCK_B, USART3_CK, CAN2_RX, OTG_HS_ULPI_D5, OTG_HS_ID, EVENTOUT."+ },+ {+ "number": "34",+ "name": "PB13",+ "type": "bidirectional",+ "description": "Port B pin 13, 5V-tolerant I/O; alternate functions TIM1_CH1N, SPI2_SCK/I2S2_CK, USART3_CTS, CAN2_TX, OTG_HS_ULPI_D6, EVENTOUT; additional function OTG_HS_VBUS."+ },+ {+ "number": "35",+ "name": "PB14",+ "type": "bidirectional",+ "description": "Port B pin 14, 5V-tolerant I/O, powered from VDDUSB; alternate functions TIM1_CH2N, TIM8_CH2N, SPI2_MISO, USART3_RTS, TIM12_CH1, OTG_HS_DM, EVENTOUT."+ },+ {+ "number": "36",+ "name": "PB15",+ "type": "bidirectional",+ "description": "Port B pin 15, 5V-tolerant I/O, powered from VDDUSB; alternate functions RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI/I2S2_SD, TIM12_CH2, OTG_HS_DP, EVENTOUT."+ },+ {+ "number": "37",+ "name": "PC6",+ "type": "bidirectional",+ "description": "Port C pin 6, 5V-tolerant I/O with I2C FM+ option (FTf); alternate functions TIM3_CH1, TIM8_CH1, FMPI2C1_SCL, I2S2_MCK, USART6_TX, SDIO_D6, DCMI_D0, EVENTOUT."+ },+ {+ "number": "38",+ "name": "PC7",+ "type": "bidirectional",+ "description": "Port C pin 7, 5V-tolerant I/O with I2C FM+ option (FTf); alternate functions TIM3_CH2, TIM8_CH2, FMPI2C1_SDA, SPI2_SCK/I2S2_CK, I2S3_MCK, SPDIFRX_IN1, USART6_RX, SDIO_D7, DCMI_D1, EVENTOUT."+ },+ {+ "number": "39",+ "name": "PC8",+ "type": "bidirectional",+ "description": "Port C pin 8, 5V-tolerant I/O; alternate functions TRACED0, TIM3_CH3, TIM8_CH3, UART5_RTS, USART6_CK, SDIO_D0, DCMI_D2, EVENTOUT."+ },+ {+ "number": "40",+ "name": "PC9",+ "type": "bidirectional",+ "description": "Port C pin 9, 5V-tolerant I/O; alternate functions MCO2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S_CKIN, UART5_CTS, QUADSPI_BK1_IO0, SDIO_D1, DCMI_D3, EVENTOUT."+ },+ {+ "number": "41",+ "name": "PA8",+ "type": "bidirectional",+ "description": "Port A pin 8, 5V-tolerant I/O; alternate functions MCO1, TIM1_CH1, I2C3_SCL, USART1_CK, OTG_FS_SOF, EVENTOUT."+ },+ {+ "number": "42",+ "name": "PA9",+ "type": "bidirectional",+ "description": "Port A pin 9, 5V-tolerant I/O; alternate functions TIM1_CH2, I2C3_SMBA, SPI2_SCK/I2S2_CK, SAI1_SD_B, USART1_TX, DCMI_D0, EVENTOUT; additional function OTG_FS_VBUS."+ },+ {+ "number": "43",+ "name": "PA10",+ "type": "bidirectional",+ "description": "Port A pin 10, 5V-tolerant I/O; alternate functions TIM1_CH3, USART1_RX, OTG_FS_ID, DCMI_D1, EVENTOUT."+ },+ {+ "number": "44",+ "name": "PA11",+ "type": "bidirectional",+ "description": "Port A pin 11, 5V-tolerant I/O, powered from VDDUSB; alternate functions TIM1_CH4, USART1_CTS, CAN1_RX, OTG_FS_DM, EVENTOUT."+ },+ {+ "number": "45",+ "name": "PA12",+ "type": "bidirectional",+ "description": "Port A pin 12, 5V-tolerant I/O, powered from VDDUSB; alternate functions TIM1_ETR, USART1_RTS, SAI2_FS_B, CAN1_TX, OTG_FS_DP, EVENTOUT."+ },+ {+ "number": "46",+ "name": "PA13(JTMS-SWDIO)",+ "type": "bidirectional",+ "description": "Port A pin 13, 5V-tolerant I/O, default JTMS-SWDIO debug function; alternate function EVENTOUT."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "48",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply pin, 1.7 V to 3.6 V application supply."+ },+ {+ "number": "49",+ "name": "PA14(JTCK-SWCLK)",+ "type": "bidirectional",+ "description": "Port A pin 14, 5V-tolerant I/O, default JTCK-SWCLK debug function; alternate function EVENTOUT."+ },+ {+ "number": "50",+ "name": "PA15(JTDI)",+ "type": "bidirectional",+ "description": "Port A pin 15, 5V-tolerant I/O, default JTDI debug function; alternate functions TIM2_CH1/TIM2_ETR, HDMI_CEC, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, UART4_RTS, EVENTOUT."+ },+ {+ "number": "51",+ "name": "PC10",+ "type": "bidirectional",+ "description": "Port C pin 10, 5V-tolerant I/O; alternate functions SPI3_SCK/I2S3_CK, USART3_TX, UART4_TX, QUADSPI_BK1_IO1, SDIO_D2, DCMI_D8, EVENTOUT."+ },+ {+ "number": "52",+ "name": "PC11",+ "type": "bidirectional",+ "description": "Port C pin 11, 5V-tolerant I/O; alternate functions SPI3_MISO, USART3_RX, UART4_RX, QUADSPI_BK2_NCS, SDIO_D3, DCMI_D4, EVENTOUT."+ },+ {+ "number": "53",+ "name": "PC12",+ "type": "bidirectional",+ "description": "Port C pin 12, 5V-tolerant I/O; alternate functions I2C2_SDA, SPI3_MOSI/I2S3_SD, USART3_CK, UART5_TX, SDIO_CK, DCMI_D9, EVENTOUT."+ },+ {+ "number": "54",+ "name": "PD2",+ "type": "bidirectional",+ "description": "Port D pin 2, 5V-tolerant I/O; alternate functions TIM3_ETR, UART5_RX, SDIO_CMD, DCMI_D11, EVENTOUT."+ },+ {+ "number": "55",+ "name": "PB3(JTDO/TRACESWO)",+ "type": "bidirectional",+ "description": "Port B pin 3, 5V-tolerant I/O, default JTDO/TRACESWO debug function; alternate functions TIM2_CH2, I2C2_SDA, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, EVENTOUT."+ },+ {+ "number": "56",+ "name": "PB4(NJTRST)",+ "type": "bidirectional",+ "description": "Port B pin 4, 5V-tolerant I/O, default NJTRST debug function; alternate functions TIM3_CH1, I2C3_SDA, SPI1_MISO, SPI3_MISO, SPI2_NSS/I2S2_WS, EVENTOUT."+ },+ {+ "number": "57",+ "name": "PB5",+ "type": "bidirectional",+ "description": "Port B pin 5, 5V-tolerant I/O; alternate functions TIM3_CH2, I2C1_SMBA, SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, CAN2_RX, OTG_HS_ULPI_D7, FMC_SDCKE1, DCMI_D10, EVENTOUT."+ },+ {+ "number": "58",+ "name": "PB6",+ "type": "bidirectional",+ "description": "Port B pin 6, 5V-tolerant I/O; alternate functions TIM4_CH1, HDMI_CEC, I2C1_SCL, USART1_TX, CAN2_TX, QUADSPI_BK1_NCS, FMC_SDNE1, DCMI_D5, EVENTOUT."+ },+ {+ "number": "59",+ "name": "PB7",+ "type": "bidirectional",+ "description": "Port B pin 7, 5V-tolerant I/O; alternate functions TIM4_CH2, I2C1_SDA, USART1_RX, SPDIFRX_IN0, FMC_NL, DCMI_VSYNC, EVENTOUT."+ },+ {+ "number": "60",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated boot-mode selection input pin (also used as VPP during Flash programming); sampled at reset to select the boot memory."+ },+ {+ "number": "61",+ "name": "PB8",+ "type": "bidirectional",+ "description": "Port B pin 8, 5V-tolerant I/O; alternate functions TIM2_CH1/TIM2_ETR, TIM4_CH3, TIM10_CH1, I2C1_SCL, CAN1_RX, SDIO_D4, DCMI_D6, EVENTOUT."+ },+ {+ "number": "62",+ "name": "PB9",+ "type": "bidirectional",+ "description": "Port B pin 9, 5V-tolerant I/O; alternate functions TIM2_CH2, TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, SAI1_FS_B, CAN1_TX, SDIO_D5, DCMI_D7, EVENTOUT."+ },+ {+ "number": "63",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "64",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply pin, 1.7 V to 3.6 V application supply."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: PB14 and PB15 supplied by VDDUSB - these pins use an independent power supply rail for USB PHY opera; PA11 and PA12 supplied by VDDUSB - these pins use independent USB power rail; PCB layout requires de; VCAP_1 and VCAP_2 capacitor pins require specific 2.2 µF ceramic capacitor placement with short trac",+ "22/64 pins cited to the wrong page (name found elsewhere): ['37:PC6@p44', '38:PC7@p44', '39:PC8@p44', '40:PC9@p44']"+ ],+ "pages_sent": 62,+ "cost_usd": 0.9702,+ "at": "2026-09-23T23:55:20"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923554770898944",+ "pages": 198,+ "sha256": "3902cf9f939a0ef6",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 64,+ "described": 64,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}