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STM32G431RBT3
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+100@@ -0,0 +1,100 @@+# STM32G431RBT3++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)++STM32G431RBT3 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 supply pin for RTC, LSE 32 kHz oscillator and backup registers; operating voltage range 1.55 V to 3.6 V, powers the backup domain when VDD is absent. |+| 2 | PC13 | bidirectional | 5V-tolerant (FT) I/O with alternate functions TIM1_BKIN/TIM1_CH1N/TIM8_CH4N and additional RTC functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT1; supplied through the internal power switch, output speed limited to 2 MHz/30 pF and must not be used as a current source. |+| 3 | PC14-OSC32_IN | bidirectional | 5V-tolerant (FT) I/O that doubles as the 32.768 kHz LSE crystal input (OSC32_IN); supplied through the power switch, output speed limited to 2 MHz/30 pF. |+| 4 | PC15-OSC32_OUT | bidirectional | 5V-tolerant (FT) I/O that doubles as the 32.768 kHz LSE crystal output (OSC32_OUT); supplied through the power switch, output speed limited to 2 MHz/30 pF. |+| 5 | PF0-OSC_IN | bidirectional | FT_fa (5V-tolerant, Fm+ capable) I/O used as the 4-48 MHz HSE crystal input (OSC_IN); alternate functions I2C2_SDA, SPI2_NSS/I2S2_WS, TIM1_CH3N and additional function ADC1_IN10. |+| 6 | PF1-OSC_OUT | bidirectional | FT_a (5V-tolerant, analog-switch) I/O used as the HSE crystal output (OSC_OUT); alternate function SPI2_SCK/I2S2_CK and additional functions ADC2_IN10, COMP3_INM. |+| 7 | PG10-NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor; FT-tolerant only when configured as PG10 GPIO by option bytes; alternate function MCO available. |+| 8 | PC0 | bidirectional | FT_a analog-switch I/O with alternate functions LPTIM1_IN1, TIM1_CH1, LPUART1_RX and additional functions ADC12_IN6, COMP3_INM. |+| 9 | PC1 | bidirectional | TT_a (3.6V-tolerant, analog-switch) I/O with alternate functions LPTIM1_OUT, TIM1_CH2, LPUART1_TX, SAI1_SD_A and additional functions ADC12_IN7, COMP3_INP. |+| 10 | PC2 | bidirectional | FT_a I/O with alternate functions LPTIM1_IN2, TIM1_CH3, COMP3_OUT and additional function ADC12_IN8. |+| 11 | PC3 | bidirectional | FT_a I/O with alternate functions LPTIM1_ETR, TIM1_CH4, SAI1_D1, TIM1_BKIN2, SAI1_SD_A and additional function ADC12_IN9. |+| 12 | PA0 | bidirectional | TT_a I/O with alternate functions TIM2_CH1, USART2_CTS, COMP1_OUT, TIM8_BKIN, TIM8_ETR, TIM2_ETR and additional functions ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2, WKUP1. |+| 13 | PA1 | bidirectional | TT_a I/O with alternate functions RTC_REFIN, TIM2_CH2, USART2_RTS_DE, TIM15_CH1N and additional functions ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP. |+| 14 | PA2 | bidirectional | TT_a I/O with alternate functions TIM2_CH3, USART2_TX, COMP2_OUT, TIM15_CH1, LPUART1_TX, UCPD1_FRSTX and additional functions ADC1_IN3, COMP2_INM, OPAMP1_VOUT, WKUP4/LSCO. |+| 15 | VSS | power_in | Digital ground. |+| 16 | VDD | power_in | Digital supply voltage, standard operating range 1.71 V to 3.6 V. |+| 17 | PA3 | bidirectional | TT_a I/O with alternate functions TIM2_CH4, SAI1_CK1, USART2_RX, TIM15_CH2, LPUART1_RX, SAI1_MCLK_A and additional functions ADC1_IN4, COMP2_INP, OPAMP1_VINM/OPAMP1_VINP. |+| 18 | PA4 | bidirectional | TT_a I/O with alternate functions TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, SAI1_FS_B and additional functions ADC2_IN17, DAC1_OUT1, COMP1_INM. |+| 19 | PA5 | bidirectional | TT_a I/O with alternate functions TIM2_CH1, TIM2_ETR, SPI1_SCK, UCPD1_FRSTX and additional functions ADC2_IN13, DAC1_OUT2, COMP2_INM, OPAMP2_VINM. |+| 20 | PA6 | bidirectional | TT_a I/O with alternate functions TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM1_BKIN, COMP1_OUT, LPUART1_CTS and additional functions ADC2_IN3, OPAMP2_VOUT. |+| 21 | PA7 | bidirectional | TT_a I/O with alternate functions TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, TIM1_CH1N, COMP2_OUT, UCPD1_FRSTX and additional functions ADC2_IN4, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP. |+| 22 | PC4 | bidirectional | FT_fa Fm+ capable I/O with alternate functions TIM1_ETR, I2C2_SCL, USART1_TX and additional function ADC2_IN5. |+| 23 | PC5 | bidirectional | TT_a I/O with alternate functions TIM15_BKIN, SAI1_D3, TIM1_CH4N, USART1_RX and additional functions ADC2_IN11, OPAMP1_VINM, OPAMP2_VINM, WKUP5. |+| 24 | PB0 | bidirectional | TT_a I/O with alternate functions TIM3_CH3, TIM8_CH2N, TIM1_CH2N, UCPD1_FRSTX and additional functions ADC1_IN15, COMP4_INP, OPAMP2_VINP, OPAMP3_VINP. |+| 25 | PB1 | bidirectional | TT_a I/O with alternate functions TIM3_CH4, TIM8_CH3N, TIM1_CH3N, COMP4_OUT, LPUART1_RTS_DE and additional functions ADC1_IN12, COMP1_INP, OPAMP3_VOUT. |+| 26 | PB2 | bidirectional | TT_a I/O with alternate functions RTC_OUT2, LPTIM1_OUT, I2C3_SMBA and additional functions ADC2_IN12, COMP4_INM, OPAMP3_VINM. |+| 27 | VSSA | power_in | Analog ground. |+| 28 | VREF+ | power_in | ADC/DAC positive reference voltage input; can also be sourced internally by VREFBUF_OUT at 2.048 V, 2.5 V or 2.9 V. |+| 29 | VDDA | power_in | Analog supply voltage; required range depends on the analog peripheral used, from 1.62 V (ADC/COMP) up to 3.6 V, with 2.4 V minimum when VREFBUF is used. |+| 30 | PB10 | bidirectional | TT_a I/O with alternate functions TIM2_CH3, USART3_TX, LPUART1_RX, TIM1_BKIN, SAI1_SCK_A and additional function OPAMP3_VINM. |+| 31 | VSS | power_in | Digital ground. |+| 32 | VDD | power_in | Digital supply voltage, standard operating range 1.71 V to 3.6 V. |+| 33 | PB11 | bidirectional | FT_a I/O with alternate functions TIM2_CH4, USART3_RX, LPUART1_TX and additional function ADC12_IN14. |+| 34 | PB12 | bidirectional | FT_a I/O with alternate functions I2C2_SMBA, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK, LPUART1_RTS_DE and additional function ADC1_IN11. |+| 35 | PB13 | bidirectional | TT_a I/O with alternate functions SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS, LPUART1_CTS and additional function OPAMP3_VINP. |+| 36 | PB14 | bidirectional | TT_a I/O with alternate functions TIM15_CH1, SPI2_MISO, TIM1_CH2N, USART3_RTS_DE, COMP4_OUT and additional functions ADC1_IN5, OPAMP2_VINP. |+| 37 | PB15 | bidirectional | FT_a I/O with alternate functions RTC_REFIN, TIM15_CH2, TIM15_CH1N, COMP3_OUT, TIM1_CH3N, SPI2_MOSI/I2S2_SD and additional function ADC2_IN15. |+| 38 | PC6 | bidirectional | FT I/O with alternate functions TIM3_CH1, TIM8_CH1, I2S2_MCK. |+| 39 | PC7 | bidirectional | FT I/O with alternate functions TIM3_CH2, TIM8_CH2, I2S3_MCK. |+| 40 | PC8 | bidirectional | FT_f Fm+ capable I/O with alternate functions TIM3_CH3, TIM8_CH3, I2C3_SCL. |+| 41 | PC9 | bidirectional | FT_f Fm+ capable I/O with alternate functions TIM3_CH4, TIM8_CH4, I2SCKIN, TIM8_BKIN2, I2C3_SDA. |+| 42 | PA8 | bidirectional | FT_f Fm+ capable I/O with alternate functions MCO, I2C3_SCL, I2C2_SDA, I2S2_MCK, TIM1_CH1, USART1_CK, TIM4_ETR, SAI1_CK2, SAI1_SCK_A. |+| 43 | PA9 | bidirectional | FT_fd I/O with alternate functions I2C3_SMBA, I2C2_SCL, I2S3_MCK, TIM1_CH2, USART1_TX, TIM15_BKIN, TIM2_CH3, SAI1_FS_A and additional function UCPD1_DBCC1 (USB Type-C dead-battery control for PB6/CC1). |+| 44 | PA10 | bidirectional | FT_d/FT_a I/O with alternate functions TIM17_BKIN, USB_CRS_SYNC, I2C2_SMBA, SPI2_MISO, TIM1_CH3, USART1_RX, TIM2_CH4, TIM8_BKIN, SAI1_D1, SAI1_SD_A and additional function UCPD1_DBCC2 (USB Type-C dead-battery control for PB4/CC2). |+| 45 | PA11 | bidirectional | FT_u USB-capable I/O with alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, COMP1_OUT, FDCAN1_RX, TIM4_CH1, TIM1_CH4, TIM1_BKIN2 and dedicated USB_DM function. |+| 46 | PA12 | bidirectional | FT_u USB-capable I/O with alternate functions TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT, FDCAN1_TX, TIM4_CH2, TIM1_ETR and dedicated USB_DP function. |+| 47 | VSS | power_in | Digital ground. |+| 48 | VDD | power_in | Digital supply voltage, standard operating range 1.71 V to 3.6 V. |+| 49 | PA13 | bidirectional | FT_f I/O, default SWDIO-JTMS debug function with internal pull-up activated after reset; alternate functions TIM16_CH1N, I2C1_SCL, IR_OUT, USART3_CTS, TIM4_CH3, SAI1_SD_B. |+| 50 | PA14 | bidirectional | FT_f I/O, default SWCLK-JTCK debug function with internal pull-down activated after reset; alternate functions LPTIM1_OUT, I2C1_SDA, TIM8_CH2, TIM1_BKIN, USART2_TX, SAI1_FS_B. |+| 51 | PA15 | bidirectional | FT_f I/O, default JTDI debug function with internal pull-up activated after reset; alternate functions TIM2_CH1, TIM8_CH1, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX, UART4_RTS_DE, TIM1_BKIN, TIM2_ETR. |+| 52 | PC10 | bidirectional | FT I/O with alternate functions TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX. |+| 53 | PC11 | bidirectional | FT_f Fm+ capable I/O with alternate functions TIM8_CH2N, UART4_RX, SPI3_MISO, USART3_RX, I2C3_SDA. |+| 54 | PC12 | bidirectional | FT I/O with alternate functions TIM8_CH3N, SPI3_MOSI/I2S3_SD, USART3_CK, UCPD1_FRSTX. |+| 55 | PD2 | bidirectional | FT I/O with alternate functions TIM3_ETR, TIM8_BKIN. |+| 56 | PB3 | bidirectional | FT I/O, default JTDO-TRACESWO debug function with internal pull-up activated after reset; alternate functions TIM2_CH2, TIM4_ETR, USB_CRS_SYNC, TIM8_CH1N, SPI1_SCK, SPI3_SCK/I2S3_CK, USART2_TX, TIM3_ETR, SAI1_SCK_B. |+| 57 | PB4 | bidirectional | FT_c USB Type-C PD capable I/O, default JTRST debug function with internal pull-up activated after reset; alternate functions TIM16_CH1, TIM3_CH1, TIM8_CH2N, SPI1_MISO, SPI3_MISO, USART2_RX, TIM17_BKIN, SAI1_MCLK_B; implements UCPD1_CC2 with an internal 5.1 kΩ dead-battery pull-down controlled by PA10. |+| 58 | PB5 | bidirectional | FT_f Fm+ capable I/O with alternate functions TIM16_BKIN, TIM3_CH2, TIM8_CH3N, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, USART2_CK, I2C3_SDA, TIM17_CH1, LPTIM1_IN1, SAI1_SD_B. |+| 59 | PB6 | bidirectional | FT_c USB Type-C PD capable I/O with alternate functions TIM16_CH1N, TIM4_CH1, TIM8_CH1, TIM8_ETR, USART1_TX, COMP4_OUT, TIM8_BKIN2, LPTIM1_ETR, SAI1_FS_B; implements UCPD1_CC1 with an internal 5.1 kΩ dead-battery pull-down controlled by PA9. |+| 60 | PB7 | bidirectional | FT_f Fm+ capable I/O with alternate functions TIM17_CH1N, TIM4_CH2, I2C1_SDA, TIM8_BKIN, USART1_RX, COMP3_OUT, TIM3_CH4, LPTIM1_IN2, UART4_CTS and additional function PVD_IN. |+| 61 | PB8-BOOT0 | bidirectional | FT_f Fm+ capable I/O that is also the dedicated BOOT0 boot-mode selection pin; recommended to be set to a non-analog mode after startup if left unconnected to limit consumption; alternate functions TIM16_CH1, TIM4_CH3, SAI1_CK1, I2C1_SCL, USART3_RX, COMP1_OUT, FDCAN1_RX, TIM8_CH2, TIM1_BKIN, SAI1_MCLK_A. |+| 62 | PB9 | bidirectional | FT_f Fm+ capable I/O with alternate functions TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, COMP2_OUT, FDCAN1_TX, TIM8_CH3, TIM1_CH3N, SAI1_FS_A. |+| 63 | VSS | power_in | Digital ground. |+| 64 | VDD | power_in | Digital supply voltage, standard operating range 1.71 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: `STM32G431RBT3`+- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`+- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)+- 3D model files: `stm32g431rbt3-etched.step` / `stm32g431rbt3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32g431rbt3.step` / `stm32g431rbt3.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/8589808232018440192) (198 pp, sha256 `c2e903e3de4b05c0`, retrieved 2026-09-24, 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/stm32g431rbt3-datasheet.pdf)
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Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32g431rbt3",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32g431rbt3.kicad_sym",+ "stm32g431rbt3.kicad_mod",+ "stm32g431rbt3.glb",+ "stm32g431rbt3.step",+ "stm32g431rbt3.lbr",+ "docs/hero.png",+ "docs/stm32g431rbt3-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32G431RBT3",+ "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/8589808232018440192",+ "parts": {+ "symbol": "stm32g431rbt3.kicad_sym",+ "footprint": "stm32g431rbt3.kicad_mod",+ "model_3d": "stm32g431rbt3-etched.glb",+ "model_3d_plain": "stm32g431rbt3.glb",+ "model_3d_step": "stm32g431rbt3-etched.step",+ "model_3d_step_plain": "stm32g431rbt3.step",+ "lbr": "stm32g431rbt3.lbr"+ },+ "distributor_links": {+ "lcsc": "C2970001"+ },+ "pins": [+ {+ "number": "1",+ "name": "VBAT",+ "type": "power_in",+ "description": "Backup supply pin for RTC, LSE 32 kHz oscillator and backup registers; operating voltage range 1.55 V to 3.6 V, powers the backup domain when VDD is absent."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "5V-tolerant (FT) I/O with alternate functions TIM1_BKIN/TIM1_CH1N/TIM8_CH4N and additional RTC functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT1; supplied through the internal power switch, output speed limited to 2 MHz/30 pF and must not be used as a current source."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "5V-tolerant (FT) I/O that doubles as the 32.768 kHz LSE crystal input (OSC32_IN); supplied through the power switch, output speed limited to 2 MHz/30 pF."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "5V-tolerant (FT) I/O that doubles as the 32.768 kHz LSE crystal output (OSC32_OUT); supplied through the power switch, output speed limited to 2 MHz/30 pF."+ },+ {+ "number": "5",+ "name": "PF0-OSC_IN",+ "type": "bidirectional",+ "description": "FT_fa (5V-tolerant, Fm+ capable) I/O used as the 4-48 MHz HSE crystal input (OSC_IN); alternate functions I2C2_SDA, SPI2_NSS/I2S2_WS, TIM1_CH3N and additional function ADC1_IN10."+ },+ {+ "number": "6",+ "name": "PF1-OSC_OUT",+ "type": "bidirectional",+ "description": "FT_a (5V-tolerant, analog-switch) I/O used as the HSE crystal output (OSC_OUT); alternate function SPI2_SCK/I2S2_CK and additional functions ADC2_IN10, COMP3_INM."+ },+ {+ "number": "7",+ "name": "PG10-NRST",+ "type": "bidirectional",+ "description": "Bidirectional reset pin with embedded weak pull-up resistor; FT-tolerant only when configured as PG10 GPIO by option bytes; alternate function MCO available."+ },+ {+ "number": "8",+ "name": "PC0",+ "type": "bidirectional",+ "description": "FT_a analog-switch I/O with alternate functions LPTIM1_IN1, TIM1_CH1, LPUART1_RX and additional functions ADC12_IN6, COMP3_INM."+ },+ {+ "number": "9",+ "name": "PC1",+ "type": "bidirectional",+ "description": "TT_a (3.6V-tolerant, analog-switch) I/O with alternate functions LPTIM1_OUT, TIM1_CH2, LPUART1_TX, SAI1_SD_A and additional functions ADC12_IN7, COMP3_INP."+ },+ {+ "number": "10",+ "name": "PC2",+ "type": "bidirectional",+ "description": "FT_a I/O with alternate functions LPTIM1_IN2, TIM1_CH3, COMP3_OUT and additional function ADC12_IN8."+ },+ {+ "number": "11",+ "name": "PC3",+ "type": "bidirectional",+ "description": "FT_a I/O with alternate functions LPTIM1_ETR, TIM1_CH4, SAI1_D1, TIM1_BKIN2, SAI1_SD_A and additional function ADC12_IN9."+ },+ {+ "number": "12",+ "name": "PA0",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM2_CH1, USART2_CTS, COMP1_OUT, TIM8_BKIN, TIM8_ETR, TIM2_ETR and additional functions ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2, WKUP1."+ },+ {+ "number": "13",+ "name": "PA1",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions RTC_REFIN, TIM2_CH2, USART2_RTS_DE, TIM15_CH1N and additional functions ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP."+ },+ {+ "number": "14",+ "name": "PA2",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM2_CH3, USART2_TX, COMP2_OUT, TIM15_CH1, LPUART1_TX, UCPD1_FRSTX and additional functions ADC1_IN3, COMP2_INM, OPAMP1_VOUT, WKUP4/LSCO."+ },+ {+ "number": "15",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "16",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage, standard operating range 1.71 V to 3.6 V."+ },+ {+ "number": "17",+ "name": "PA3",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM2_CH4, SAI1_CK1, USART2_RX, TIM15_CH2, LPUART1_RX, SAI1_MCLK_A and additional functions ADC1_IN4, COMP2_INP, OPAMP1_VINM/OPAMP1_VINP."+ },+ {+ "number": "18",+ "name": "PA4",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, SAI1_FS_B and additional functions ADC2_IN17, DAC1_OUT1, COMP1_INM."+ },+ {+ "number": "19",+ "name": "PA5",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM2_CH1, TIM2_ETR, SPI1_SCK, UCPD1_FRSTX and additional functions ADC2_IN13, DAC1_OUT2, COMP2_INM, OPAMP2_VINM."+ },+ {+ "number": "20",+ "name": "PA6",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM1_BKIN, COMP1_OUT, LPUART1_CTS and additional functions ADC2_IN3, OPAMP2_VOUT."+ },+ {+ "number": "21",+ "name": "PA7",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, TIM1_CH1N, COMP2_OUT, UCPD1_FRSTX and additional functions ADC2_IN4, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP."+ },+ {+ "number": "22",+ "name": "PC4",+ "type": "bidirectional",+ "description": "FT_fa Fm+ capable I/O with alternate functions TIM1_ETR, I2C2_SCL, USART1_TX and additional function ADC2_IN5."+ },+ {+ "number": "23",+ "name": "PC5",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM15_BKIN, SAI1_D3, TIM1_CH4N, USART1_RX and additional functions ADC2_IN11, OPAMP1_VINM, OPAMP2_VINM, WKUP5."+ },+ {+ "number": "24",+ "name": "PB0",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM3_CH3, TIM8_CH2N, TIM1_CH2N, UCPD1_FRSTX and additional functions ADC1_IN15, COMP4_INP, OPAMP2_VINP, OPAMP3_VINP."+ },+ {+ "number": "25",+ "name": "PB1",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM3_CH4, TIM8_CH3N, TIM1_CH3N, COMP4_OUT, LPUART1_RTS_DE and additional functions ADC1_IN12, COMP1_INP, OPAMP3_VOUT."+ },+ {+ "number": "26",+ "name": "PB2",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions RTC_OUT2, LPTIM1_OUT, I2C3_SMBA and additional functions ADC2_IN12, COMP4_INM, OPAMP3_VINM."+ },+ {+ "number": "27",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "28",+ "name": "VREF+",+ "type": "power_in",+ "description": "ADC/DAC positive reference voltage input; can also be sourced internally by VREFBUF_OUT at 2.048 V, 2.5 V or 2.9 V."+ },+ {+ "number": "29",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog supply voltage; required range depends on the analog peripheral used, from 1.62 V (ADC/COMP) up to 3.6 V, with 2.4 V minimum when VREFBUF is used."+ },+ {+ "number": "30",+ "name": "PB10",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM2_CH3, USART3_TX, LPUART1_RX, TIM1_BKIN, SAI1_SCK_A and additional function OPAMP3_VINM."+ },+ {+ "number": "31",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "32",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage, standard operating range 1.71 V to 3.6 V."+ },+ {+ "number": "33",+ "name": "PB11",+ "type": "bidirectional",+ "description": "FT_a I/O with alternate functions TIM2_CH4, USART3_RX, LPUART1_TX and additional function ADC12_IN14."+ },+ {+ "number": "34",+ "name": "PB12",+ "type": "bidirectional",+ "description": "FT_a I/O with alternate functions I2C2_SMBA, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK, LPUART1_RTS_DE and additional function ADC1_IN11."+ },+ {+ "number": "35",+ "name": "PB13",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS, LPUART1_CTS and additional function OPAMP3_VINP."+ },+ {+ "number": "36",+ "name": "PB14",+ "type": "bidirectional",+ "description": "TT_a I/O with alternate functions TIM15_CH1, SPI2_MISO, TIM1_CH2N, USART3_RTS_DE, COMP4_OUT and additional functions ADC1_IN5, OPAMP2_VINP."+ },+ {+ "number": "37",+ "name": "PB15",+ "type": "bidirectional",+ "description": "FT_a I/O with alternate functions RTC_REFIN, TIM15_CH2, TIM15_CH1N, COMP3_OUT, TIM1_CH3N, SPI2_MOSI/I2S2_SD and additional function ADC2_IN15."+ },+ {+ "number": "38",+ "name": "PC6",+ "type": "bidirectional",+ "description": "FT I/O with alternate functions TIM3_CH1, TIM8_CH1, I2S2_MCK."+ },+ {+ "number": "39",+ "name": "PC7",+ "type": "bidirectional",+ "description": "FT I/O with alternate functions TIM3_CH2, TIM8_CH2, I2S3_MCK."+ },+ {+ "number": "40",+ "name": "PC8",+ "type": "bidirectional",+ "description": "FT_f Fm+ capable I/O with alternate functions TIM3_CH3, TIM8_CH3, I2C3_SCL."+ },+ {+ "number": "41",+ "name": "PC9",+ "type": "bidirectional",+ "description": "FT_f Fm+ capable I/O with alternate functions TIM3_CH4, TIM8_CH4, I2SCKIN, TIM8_BKIN2, I2C3_SDA."+ },+ {+ "number": "42",+ "name": "PA8",+ "type": "bidirectional",+ "description": "FT_f Fm+ capable I/O with alternate functions MCO, I2C3_SCL, I2C2_SDA, I2S2_MCK, TIM1_CH1, USART1_CK, TIM4_ETR, SAI1_CK2, SAI1_SCK_A."+ },+ {+ "number": "43",+ "name": "PA9",+ "type": "bidirectional",+ "description": "FT_fd I/O with alternate functions I2C3_SMBA, I2C2_SCL, I2S3_MCK, TIM1_CH2, USART1_TX, TIM15_BKIN, TIM2_CH3, SAI1_FS_A and additional function UCPD1_DBCC1 (USB Type-C dead-battery control for PB6/CC1)."+ },+ {+ "number": "44",+ "name": "PA10",+ "type": "bidirectional",+ "description": "FT_d/FT_a I/O with alternate functions TIM17_BKIN, USB_CRS_SYNC, I2C2_SMBA, SPI2_MISO, TIM1_CH3, USART1_RX, TIM2_CH4, TIM8_BKIN, SAI1_D1, SAI1_SD_A and additional function UCPD1_DBCC2 (USB Type-C dead-battery control for PB4/CC2)."+ },+ {+ "number": "45",+ "name": "PA11",+ "type": "bidirectional",+ "description": "FT_u USB-capable I/O with alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, COMP1_OUT, FDCAN1_RX, TIM4_CH1, TIM1_CH4, TIM1_BKIN2 and dedicated USB_DM function."+ },+ {+ "number": "46",+ "name": "PA12",+ "type": "bidirectional",+ "description": "FT_u USB-capable I/O with alternate functions TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT, FDCAN1_TX, TIM4_CH2, TIM1_ETR and dedicated USB_DP function."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "48",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage, standard operating range 1.71 V to 3.6 V."+ },+ {+ "number": "49",+ "name": "PA13",+ "type": "bidirectional",+ "description": "FT_f I/O, default SWDIO-JTMS debug function with internal pull-up activated after reset; alternate functions TIM16_CH1N, I2C1_SCL, IR_OUT, USART3_CTS, TIM4_CH3, SAI1_SD_B."+ },+ {+ "number": "50",+ "name": "PA14",+ "type": "bidirectional",+ "description": "FT_f I/O, default SWCLK-JTCK debug function with internal pull-down activated after reset; alternate functions LPTIM1_OUT, I2C1_SDA, TIM8_CH2, TIM1_BKIN, USART2_TX, SAI1_FS_B."+ },+ {+ "number": "51",+ "name": "PA15",+ "type": "bidirectional",+ "description": "FT_f I/O, default JTDI debug function with internal pull-up activated after reset; alternate functions TIM2_CH1, TIM8_CH1, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX, UART4_RTS_DE, TIM1_BKIN, TIM2_ETR."+ },+ {+ "number": "52",+ "name": "PC10",+ "type": "bidirectional",+ "description": "FT I/O with alternate functions TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX."+ },+ {+ "number": "53",+ "name": "PC11",+ "type": "bidirectional",+ "description": "FT_f Fm+ capable I/O with alternate functions TIM8_CH2N, UART4_RX, SPI3_MISO, USART3_RX, I2C3_SDA."+ },+ {+ "number": "54",+ "name": "PC12",+ "type": "bidirectional",+ "description": "FT I/O with alternate functions TIM8_CH3N, SPI3_MOSI/I2S3_SD, USART3_CK, UCPD1_FRSTX."+ },+ {+ "number": "55",+ "name": "PD2",+ "type": "bidirectional",+ "description": "FT I/O with alternate functions TIM3_ETR, TIM8_BKIN."+ },+ {+ "number": "56",+ "name": "PB3",+ "type": "bidirectional",+ "description": "FT I/O, default JTDO-TRACESWO debug function with internal pull-up activated after reset; alternate functions TIM2_CH2, TIM4_ETR, USB_CRS_SYNC, TIM8_CH1N, SPI1_SCK, SPI3_SCK/I2S3_CK, USART2_TX, TIM3_ETR, SAI1_SCK_B."+ },+ {+ "number": "57",+ "name": "PB4",+ "type": "bidirectional",+ "description": "FT_c USB Type-C PD capable I/O, default JTRST debug function with internal pull-up activated after reset; alternate functions TIM16_CH1, TIM3_CH1, TIM8_CH2N, SPI1_MISO, SPI3_MISO, USART2_RX, TIM17_BKIN, SAI1_MCLK_B; implements UCPD1_CC2 with an internal 5.1 kΩ dead-battery pull-down controlled by PA10."+ },+ {+ "number": "58",+ "name": "PB5",+ "type": "bidirectional",+ "description": "FT_f Fm+ capable I/O with alternate functions TIM16_BKIN, TIM3_CH2, TIM8_CH3N, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, USART2_CK, I2C3_SDA, TIM17_CH1, LPTIM1_IN1, SAI1_SD_B."+ },+ {+ "number": "59",+ "name": "PB6",+ "type": "bidirectional",+ "description": "FT_c USB Type-C PD capable I/O with alternate functions TIM16_CH1N, TIM4_CH1, TIM8_CH1, TIM8_ETR, USART1_TX, COMP4_OUT, TIM8_BKIN2, LPTIM1_ETR, SAI1_FS_B; implements UCPD1_CC1 with an internal 5.1 kΩ dead-battery pull-down controlled by PA9."+ },+ {+ "number": "60",+ "name": "PB7",+ "type": "bidirectional",+ "description": "FT_f Fm+ capable I/O with alternate functions TIM17_CH1N, TIM4_CH2, I2C1_SDA, TIM8_BKIN, USART1_RX, COMP3_OUT, TIM3_CH4, LPTIM1_IN2, UART4_CTS and additional function PVD_IN."+ },+ {+ "number": "61",+ "name": "PB8-BOOT0",+ "type": "bidirectional",+ "description": "FT_f Fm+ capable I/O that is also the dedicated BOOT0 boot-mode selection pin; recommended to be set to a non-analog mode after startup if left unconnected to limit consumption; alternate functions TIM16_CH1, TIM4_CH3, SAI1_CK1, I2C1_SCL, USART3_RX, COMP1_OUT, FDCAN1_RX, TIM8_CH2, TIM1_BKIN, SAI1_MCLK_A."+ },+ {+ "number": "62",+ "name": "PB9",+ "type": "bidirectional",+ "description": "FT_f Fm+ capable I/O with alternate functions TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, COMP2_OUT, FDCAN1_TX, TIM8_CH3, TIM1_CH3N, SAI1_FS_A."+ },+ {+ "number": "63",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "64",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage, standard operating range 1.71 V to 3.6 V."+ }+ ],+ "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": [+ "6/64 pins cited to the wrong page (name found elsewhere): ['47:PB11@p57', '51:PB9@p60', '52:PB8-BOOT0@p60', '53:PB7@p60']"+ ],+ "pages_sent": 77,+ "cost_usd": 1.2725,+ "at": "2026-09-24T07:32:38"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589808232018440192",+ "pages": 198,+ "sha256": "c2e903e3de4b05c0",+ "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]"+ }+}