component
STM32L431VCT6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+136@@ -0,0 +1,136 @@+# STM32L431VCT6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)++STM32L431VCT6 from STMicroelectronics, in a LQFP-100(14x14). 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 | PE2 | bidirectional | GPIO port E pin 2, 5V tolerant input/output, supports trace clock and SAI alternate functions. |+| 2 | PE3 | bidirectional | GPIO port E pin 3, 5V tolerant input/output, supports trace data and SAI alternate functions. |+| 3 | PE4 | bidirectional | GPIO port E pin 4, 5V tolerant input/output, supports trace data and SAI alternate functions. |+| 4 | PE5 | bidirectional | GPIO port E pin 5, 5V tolerant input/output, supports trace data and SAI alternate functions, RTC_TAMP3 and WKUP3. |+| 5 | PE6 | bidirectional | GPIO port E pin 6, 5V tolerant input/output, supports trace data and SAI alternate functions. |+| 6 | VBAT | power_in | Backup battery supply input for RTC and 32x32-bit backup registers, 1.55-3.6V, operates independently during low-power modes. |+| 7 | PC13 | bidirectional | GPIO port C pin 13, 5V tolerant input/output with limited current (3 mA max through power switch), RTC wakeup and tamper functions. |+| 8 | PC14-OSC32_IN | bidirectional | GPIO port C pin 14 / 32 kHz oscillator input, 5V tolerant, configurable for RTC external clock source. |+| 9 | PC15-OSC32_OUT | bidirectional | GPIO port C pin 15 / 32 kHz oscillator output, 5V tolerant, provides buffered clock to external circuits. |+| 10 | VSS | power_in | Ground pin, must be connected to external ground with main power supply and bypass capacitor. |+| 11 | VDD | power_in | Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin. |+| 12 | PH0-OSC_IN | bidirectional | GPIO port H pin 0 / main oscillator input, 5V tolerant, accepts 4-48 MHz crystal or external clock. |+| 13 | PH1-OSC_OUT | bidirectional | GPIO port H pin 1 / main oscillator output, 5V tolerant, drives resonator for crystal oscillator circuit. |+| 14 | NRST | input | System reset pin with embedded weak pull-up resistor, triggers MCU reset when driven low, active low. |+| 15 | PC0 | bidirectional | GPIO port C pin 0, 5V tolerant with analog switch, supports LPTIM1, I2C3, LPUART1, and ADC1_IN1 functions. |+| 16 | PC1 | bidirectional | GPIO port C pin 1, 5V tolerant with analog switch, supports LPTIM1, I2C3, LPUART1, and ADC1_IN2 functions. |+| 17 | PC2 | bidirectional | GPIO port C pin 2, 5V tolerant with analog switch, supports LPTIM1, SPI2, and ADC1_IN3 functions. |+| 18 | PC3 | bidirectional | GPIO port C pin 3, 5V tolerant with analog switch, supports LPTIM1, SPI2, SAI1, and ADC1_IN4 functions. |+| 19 | VSSA | power_in | Analog ground pin for ADC/DAC/OPAMP/COMP, must be connected to main ground with 100 nF bypass capacitor. |+| 20 | VREF- | power_in | Negative reference voltage pin for ADC, typically connected to VSSA or 0V, affects ADC conversion accuracy. |+| 21 | VREF+ | power_in | Positive reference voltage pin for ADC, 2V to VDDA, requires 1 µF plus 100 nF bypass capacitors, supports VREFBUF output. |+| 22 | VDDA | power_in | Analog power supply input 1.62-3.6V, powers ADC, DAC, OPAMP, COMP, and VREFBUF, requires independent filtering. |+| 23 | PA0 | bidirectional | GPIO port A pin 0, 5V tolerant with analog switch, supports TIM2, USART2, COMP, SAI1, ADC1_IN5, RTC_TAMP2, and WKUP1. |+| 24 | PA1 | bidirectional | GPIO port A pin 1, 5V tolerant with analog switch, supports TIM2, I2C1, SPI1, USART2, TIM15, and ADC1_IN6. |+| 25 | PA2 | bidirectional | GPIO port A pin 2, 5V tolerant with analog switch, supports TIM2, USART2, LPUART1, QUADSPI, COMP2, TIM15, ADC1_IN7, WKUP4. |+| 26 | PA3 | bidirectional | GPIO port A pin 3, 3.6V tolerant with analog switch, supports TIM2, USART2, LPUART1, QUADSPI, SAI1, TIM15, ADC1_IN8. |+| 27 | VSS | power_in | Ground pin, must be connected to external ground with main power supply and bypass capacitor. |+| 28 | VDD | power_in | Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin. |+| 29 | PA4 | bidirectional | GPIO port A pin 4, 3.6V tolerant with analog switch, supports SPI1, SPI3, USART2, SAI1, LPTIM2, DAC1_OUT1, ADC1_IN9. |+| 30 | PA5 | bidirectional | GPIO port A pin 5, 3.6V tolerant with analog switch, supports TIM2, SPI1, LPTIM2, DAC1_OUT2, ADC1_IN10. |+| 31 | PA6 | bidirectional | GPIO port A pin 6, 5V tolerant with analog switch, supports TIM1, SPI1, COMP1, USART3, LPUART1, QUADSPI, TIM16, ADC1_IN11. |+| 32 | PA7 | bidirectional | GPIO port A pin 7, 5V tolerant with analog switch and Fm+ capable, supports TIM1, I2C3, SPI1, QUADSPI, COMP2, ADC1_IN12. |+| 33 | PC4 | bidirectional | GPIO port C pin 4, 5V tolerant with analog switch, supports USART3 and ADC1_IN13 functions. |+| 34 | PC5 | bidirectional | GPIO port C pin 5, 5V tolerant with analog switch, supports USART3, ADC1_IN14, COMP1_INP, and WKUP5. |+| 35 | PB0 | bidirectional | GPIO port B pin 0, 5V tolerant with analog switch, supports TIM1, SPI1, USART3, QUADSPI, COMP1, SAI1, ADC1_IN15. |+| 36 | PB1 | bidirectional | GPIO port B pin 1, 5V tolerant with analog switch, supports TIM1, USART3, LPUART1, QUADSPI, LPTIM2, ADC1_IN16. |+| 37 | PB2 | bidirectional | GPIO port B pin 2, 5V tolerant with analog switch, supports RTC_OUT, LPTIM1, I2C3 SMBA, and COMP1_INP. |+| 38 | PE7 | bidirectional | GPIO port E pin 7, 5V tolerant input/output, supports TIM1 and SAI1 alternate functions. |+| 39 | PE8 | bidirectional | GPIO port E pin 8, 5V tolerant input/output, supports TIM1 and SAI1 alternate functions. |+| 40 | PE9 | bidirectional | GPIO port E pin 9, 5V tolerant input/output, supports TIM1 and SAI1 alternate functions. |+| 41 | PE10 | bidirectional | GPIO port E pin 10, 5V tolerant input/output, supports TIM1, TSC_G5_IO1, QUADSPI, and SAI1 alternate functions. |+| 42 | PE11 | bidirectional | GPIO port E pin 11, 5V tolerant input/output, supports TIM1, TSC_G5_IO2, and QUADSPI alternate functions. |+| 43 | PE12 | bidirectional | GPIO port E pin 12, 5V tolerant input/output, supports TIM1, SPI1, TSC_G5_IO3, and QUADSPI alternate functions. |+| 44 | PE13 | bidirectional | GPIO port E pin 13, 5V tolerant input/output, supports TIM1, SPI1, TSC_G5_IO4, and QUADSPI alternate functions. |+| 45 | PE14 | bidirectional | GPIO port E pin 14, 5V tolerant input/output, supports TIM1, SPI1, COMP2, and QUADSPI alternate functions. |+| 46 | PE15 | bidirectional | GPIO port E pin 15, 5V tolerant input/output, supports TIM1, SPI1, COMP1, and QUADSPI alternate functions. |+| 47 | PB10 | bidirectional | GPIO port B pin 10, 5V tolerant Fm+ capable input/output, supports TIM2, I2C2, SPI2, USART3, LPUART1, QUADSPI, COMP1, SAI1. |+| 48 | PB11 | bidirectional | GPIO port B pin 11, 5V tolerant Fm+ capable input/output, supports TIM2, I2C2, USART3, LPUART1, QUADSPI, COMP2. |+| 49 | VSS | power_in | Ground pin, must be connected to external ground with main power supply and bypass capacitor. |+| 50 | VDD | power_in | Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin. |+| 51 | PB12 | bidirectional | GPIO port B pin 12, 5V tolerant input/output, supports TIM1, I2C2, SPI2, USART3, LPUART1, TSC_G1_IO1, SWPMI1, SAI1, TIM15. |+| 52 | PB13 | bidirectional | GPIO port B pin 13, 5V tolerant Fm+ capable input/output, supports TIM1, I2C2, SPI2, USART3, LPUART1, TSC_G1_IO2, SWPMI1, SAI1. |+| 53 | PB14 | bidirectional | GPIO port B pin 14, 5V tolerant Fm+ capable input/output, supports TIM1, I2C2, SPI2, USART3, TSC_G1_IO3, SWPMI1, SAI1, TIM15. |+| 54 | PB15 | bidirectional | GPIO port B pin 15, 5V tolerant input/output, supports RTC_REFIN, TIM1, SPI2, TSC_G1_IO4, SWPMI1, SAI1, TIM15. |+| 55 | PD8 | bidirectional | GPIO port D pin 8, 5V tolerant input/output, supports USART3 alternate function. |+| 56 | PD9 | bidirectional | GPIO port D pin 9, 5V tolerant input/output, supports USART3 alternate function. |+| 57 | PD10 | bidirectional | GPIO port D pin 10, 5V tolerant input/output, supports USART3, TSC_G6_IO1 alternate functions. |+| 58 | PD11 | bidirectional | GPIO port D pin 11, 5V tolerant input/output, supports USART3, TSC_G6_IO2, LPTIM2 alternate functions. |+| 59 | PD12 | bidirectional | GPIO port D pin 12, 5V tolerant input/output, supports USART3, TSC_G6_IO3, LPTIM2 alternate functions. |+| 60 | PD13 | bidirectional | GPIO port D pin 13, 5V tolerant input/output, supports TSC_G6_IO4, LPTIM2 alternate functions. |+| 61 | PD14 | bidirectional | GPIO port D pin 14, 5V tolerant input/output, EVENTOUT alternate function only. |+| 62 | PD15 | bidirectional | GPIO port D pin 15, 5V tolerant input/output, EVENTOUT alternate function only. |+| 63 | PC6 | bidirectional | GPIO port C pin 6, 5V tolerant input/output, supports TSC_G4_IO1, SDMMC1_D6 alternate functions. |+| 64 | PC7 | bidirectional | GPIO port C pin 7, 5V tolerant input/output, supports TSC_G4_IO2, SDMMC1_D7 alternate functions. |+| 65 | PC8 | bidirectional | GPIO port C pin 8, 5V tolerant input/output, supports TSC_G4_IO3, SDMMC1_D0 alternate functions. |+| 66 | PC9 | bidirectional | GPIO port C pin 9, 5V tolerant input/output, supports TSC_G4_IO4, SDMMC1_D1 alternate functions. |+| 67 | PA8 | bidirectional | GPIO port A pin 8, 5V tolerant input/output, supports MCO, TIM1, USART1, SWPMI1, SAI1, LPTIM2 alternate functions. |+| 68 | PA9 | bidirectional | GPIO port A pin 9, 5V tolerant Fm+ capable input/output, supports TIM1, I2C1, USART1, SAI1, TIM15 alternate functions. |+| 69 | PA10 | bidirectional | GPIO port A pin 10, 5V tolerant Fm+ capable input/output, supports TIM1, I2C1, USART1, SAI1 alternate functions. |+| 70 | PA11 | bidirectional | GPIO port A pin 11, 5V tolerant input/output, supports TIM1, SPI1, COMP1, USART1, CAN1_RX alternate functions. |+| 71 | PA12 | bidirectional | GPIO port A pin 12, 5V tolerant input/output, supports TIM1, SPI1, USART1, CAN1_TX alternate functions. |+| 72 | PA13 | bidirectional | GPIO port A pin 13 / JTAG TMS / Serial Wire Debug I/O, 5V tolerant, internal pull-up after reset, debug port shared with alternate functions. |+| 73 | VDD | power_in | Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin. |+| 74 | VSS | power_in | Ground pin, must be connected to external ground with main power supply and bypass capacitor. |+| 75 | VDD | power_in | Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin. |+| 76 | PA14 | bidirectional | GPIO port A pin 14 / JTAG TCK / Serial Wire Debug Clock, 5V tolerant, internal pull-down after reset, debug port shared with alternate functions. |+| 77 | PA15 | bidirectional | GPIO port A pin 15 / JTAG TDI, 5V tolerant, internal pull-up after reset, supports TIM2, USART2, SPI1, SPI3, USART3, TSC_G3_IO1, SWPMI1. |+| 78 | PC10 | bidirectional | GPIO port C pin 10, 5V tolerant input/output, supports SPI3, USART3, TSC_G3_IO2, SDMMC1_D2 alternate functions. |+| 79 | PC11 | bidirectional | GPIO port C pin 11, 5V tolerant input/output, supports SPI3, USART3, TSC_G3_IO3, SDMMC1_D3 alternate functions. |+| 80 | PC12 | bidirectional | GPIO port C pin 12, 5V tolerant input/output, supports SPI3, USART3, TSC_G3_IO4, SDMMC1_CK alternate functions. |+| 81 | PD0 | bidirectional | GPIO port D pin 0, 5V tolerant input/output, supports SPI2_NSS, CAN1_RX alternate functions. |+| 82 | PD1 | bidirectional | GPIO port D pin 1, 5V tolerant input/output, supports SPI2_SCK, CAN1_TX alternate functions. |+| 83 | PD2 | bidirectional | GPIO port D pin 2, 5V tolerant input/output, supports USART3, TSC_SYNC, SDMMC1_CMD alternate functions. |+| 84 | PD3 | bidirectional | GPIO port D pin 3, 5V tolerant input/output, supports SPI2, USART2, QUADSPI alternate functions. |+| 85 | PD4 | bidirectional | GPIO port D pin 4, 5V tolerant input/output, supports SPI2, USART2, QUADSPI alternate functions. |+| 86 | PD5 | bidirectional | GPIO port D pin 5, 5V tolerant input/output, supports USART2, QUADSPI alternate functions. |+| 87 | PD6 | bidirectional | GPIO port D pin 6, 5V tolerant input/output, supports USART2, QUADSPI, SAI1 alternate functions. |+| 88 | PD7 | bidirectional | GPIO port D pin 7, 5V tolerant input/output, supports USART2, QUADSPI alternate functions. |+| 89 | PB3 | bidirectional | GPIO port B pin 3 / JTAG TDO / Trace Serial Wire Output, 5V tolerant with analog switch, internal pull-up after reset, debug port shared with alternate functions. |+| 90 | PB4 | bidirectional | GPIO port B pin 4 / JTAG NTRST, 5V tolerant with analog switch and Fm+ capable, internal pull-up after reset, supports I2C3, SPI1, SPI3, USART1, TSC_G2_IO1, SAI1. |+| 91 | PB5 | bidirectional | GPIO port B pin 5, 5V tolerant input/output, supports LPTIM1, I2C1, SPI1, SPI3, USART1, TSC_G2_IO2, COMP2, SAI1, TIM16. |+| 92 | PB6 | bidirectional | GPIO port B pin 6, 5V tolerant with analog switch and Fm+ capable input/output, supports LPTIM1, I2C1, USART1, TSC_G2_IO3, SAI1, TIM16. |+| 93 | PB7 | bidirectional | GPIO port B pin 7, 5V tolerant with analog switch and Fm+ capable input/output, supports LPTIM1, I2C1, USART1, TSC_G2_IO4, COMP2_INM, PVD_IN. |+| 94 | PH3/BOOT0 | bidirectional | GPIO port H pin 3 / Boot configuration pin, 5V tolerant input/output, selects boot from flash (low) or system memory (high) during reset. |+| 95 | PB8 | bidirectional | GPIO port B pin 8, 5V tolerant Fm+ capable input/output, supports I2C1, CAN1_RX, SDMMC1_D4, SAI1, TIM16 alternate functions. |+| 96 | PB9 | bidirectional | GPIO port B pin 9, 5V tolerant Fm+ capable input/output, supports IR_OUT, I2C1, SPI2, CAN1_TX, SDMMC1_D5, SAI1 alternate functions. |+| 97 | PE0 | bidirectional | GPIO port E pin 0, 5V tolerant input/output, supports TIM16 alternate function. |+| 98 | PE1 | bidirectional | GPIO port E pin 1, 5V tolerant input/output, EVENTOUT alternate function only. |+| 99 | VSS | power_in | Ground pin, must be connected to external ground with main power supply and bypass capacitor. |+| 100 | VDD | power_in | Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-100(14x14) |+| Category | Embedded Processors & Controllers |+| Pins | 100 |++## CAD (KiCad official)++- Symbol: `STM32L431VCT6`+- Footprint: `Package_QFP:LQFP-100_14x14mm_P0.5mm`+- 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)+- 3D model files: `stm32l431vct6-etched.step` / `stm32l431vct6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l431vct6.step` / `stm32l431vct6.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/8588886246482956288) (208 pp, sha256 `71963de3cb899f8f`, 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](docs/stm32l431vct6-datasheet.pdf)
page.jsonadded+751@@ -0,0 +1,751 @@+{+ "slug": "stm32l431vct6",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32l431vct6",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l431vct6.kicad_sym",+ "stm32l431vct6.kicad_mod",+ "stm32l431vct6.glb",+ "stm32l431vct6.step",+ "stm32l431vct6.lbr",+ "docs/hero.png",+ "docs/stm32l431vct6-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "stm32l431vct6-hero.glb",+ "stm32l431vct6-hero.overlay.json"+ ],+ "component": {+ "mpn": "STM32L431VCT6",+ "manufacturer": "STMicroelectronics",+ "package": "LQFP-100(14x14)",+ "pin_count": 100,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886246482956288",+ "parts": {+ "symbol": "stm32l431vct6.kicad_sym",+ "footprint": "stm32l431vct6.kicad_mod",+ "model_3d": "stm32l431vct6-hero.glb",+ "model_3d_plain": "stm32l431vct6.glb",+ "model_3d_step": "stm32l431vct6-etched.step",+ "model_3d_step_plain": "stm32l431vct6.step",+ "lbr": "stm32l431vct6.lbr"+ },+ "distributor_links": {+ "lcsc": "C455384",+ "digikey": "497-17850-ND",+ "mouser": "511-STM32L431VCT6"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T08:22:30Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-17850-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32L431VCT6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "PE2",+ "type": "bidirectional",+ "description": "GPIO port E pin 2, 5V tolerant input/output, supports trace clock and SAI alternate functions."+ },+ {+ "number": "2",+ "name": "PE3",+ "type": "bidirectional",+ "description": "GPIO port E pin 3, 5V tolerant input/output, supports trace data and SAI alternate functions."+ },+ {+ "number": "3",+ "name": "PE4",+ "type": "bidirectional",+ "description": "GPIO port E pin 4, 5V tolerant input/output, supports trace data and SAI alternate functions."+ },+ {+ "number": "4",+ "name": "PE5",+ "type": "bidirectional",+ "description": "GPIO port E pin 5, 5V tolerant input/output, supports trace data and SAI alternate functions, RTC_TAMP3 and WKUP3."+ },+ {+ "number": "5",+ "name": "PE6",+ "type": "bidirectional",+ "description": "GPIO port E pin 6, 5V tolerant input/output, supports trace data and SAI alternate functions."+ },+ {+ "number": "6",+ "name": "VBAT",+ "type": "power_in",+ "description": "Backup battery supply input for RTC and 32x32-bit backup registers, 1.55-3.6V, operates independently during low-power modes."+ },+ {+ "number": "7",+ "name": "PC13",+ "type": "bidirectional",+ "description": "GPIO port C pin 13, 5V tolerant input/output with limited current (3 mA max through power switch), RTC wakeup and tamper functions."+ },+ {+ "number": "8",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "GPIO port C pin 14 / 32 kHz oscillator input, 5V tolerant, configurable for RTC external clock source."+ },+ {+ "number": "9",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "GPIO port C pin 15 / 32 kHz oscillator output, 5V tolerant, provides buffered clock to external circuits."+ },+ {+ "number": "10",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin, must be connected to external ground with main power supply and bypass capacitor."+ },+ {+ "number": "11",+ "name": "VDD",+ "type": "power_in",+ "description": "Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin."+ },+ {+ "number": "12",+ "name": "PH0-OSC_IN",+ "type": "bidirectional",+ "description": "GPIO port H pin 0 / main oscillator input, 5V tolerant, accepts 4-48 MHz crystal or external clock."+ },+ {+ "number": "13",+ "name": "PH1-OSC_OUT",+ "type": "bidirectional",+ "description": "GPIO port H pin 1 / main oscillator output, 5V tolerant, drives resonator for crystal oscillator circuit."+ },+ {+ "number": "14",+ "name": "NRST",+ "type": "input",+ "description": "System reset pin with embedded weak pull-up resistor, triggers MCU reset when driven low, active low."+ },+ {+ "number": "15",+ "name": "PC0",+ "type": "bidirectional",+ "description": "GPIO port C pin 0, 5V tolerant with analog switch, supports LPTIM1, I2C3, LPUART1, and ADC1_IN1 functions."+ },+ {+ "number": "16",+ "name": "PC1",+ "type": "bidirectional",+ "description": "GPIO port C pin 1, 5V tolerant with analog switch, supports LPTIM1, I2C3, LPUART1, and ADC1_IN2 functions."+ },+ {+ "number": "17",+ "name": "PC2",+ "type": "bidirectional",+ "description": "GPIO port C pin 2, 5V tolerant with analog switch, supports LPTIM1, SPI2, and ADC1_IN3 functions."+ },+ {+ "number": "18",+ "name": "PC3",+ "type": "bidirectional",+ "description": "GPIO port C pin 3, 5V tolerant with analog switch, supports LPTIM1, SPI2, SAI1, and ADC1_IN4 functions."+ },+ {+ "number": "19",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground pin for ADC/DAC/OPAMP/COMP, must be connected to main ground with 100 nF bypass capacitor."+ },+ {+ "number": "20",+ "name": "VREF-",+ "type": "power_in",+ "description": "Negative reference voltage pin for ADC, typically connected to VSSA or 0V, affects ADC conversion accuracy."+ },+ {+ "number": "21",+ "name": "VREF+",+ "type": "power_in",+ "description": "Positive reference voltage pin for ADC, 2V to VDDA, requires 1 µF plus 100 nF bypass capacitors, supports VREFBUF output."+ },+ {+ "number": "22",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply input 1.62-3.6V, powers ADC, DAC, OPAMP, COMP, and VREFBUF, requires independent filtering."+ },+ {+ "number": "23",+ "name": "PA0",+ "type": "bidirectional",+ "description": "GPIO port A pin 0, 5V tolerant with analog switch, supports TIM2, USART2, COMP, SAI1, ADC1_IN5, RTC_TAMP2, and WKUP1."+ },+ {+ "number": "24",+ "name": "PA1",+ "type": "bidirectional",+ "description": "GPIO port A pin 1, 5V tolerant with analog switch, supports TIM2, I2C1, SPI1, USART2, TIM15, and ADC1_IN6."+ },+ {+ "number": "25",+ "name": "PA2",+ "type": "bidirectional",+ "description": "GPIO port A pin 2, 5V tolerant with analog switch, supports TIM2, USART2, LPUART1, QUADSPI, COMP2, TIM15, ADC1_IN7, WKUP4."+ },+ {+ "number": "26",+ "name": "PA3",+ "type": "bidirectional",+ "description": "GPIO port A pin 3, 3.6V tolerant with analog switch, supports TIM2, USART2, LPUART1, QUADSPI, SAI1, TIM15, ADC1_IN8."+ },+ {+ "number": "27",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin, must be connected to external ground with main power supply and bypass capacitor."+ },+ {+ "number": "28",+ "name": "VDD",+ "type": "power_in",+ "description": "Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin."+ },+ {+ "number": "29",+ "name": "PA4",+ "type": "bidirectional",+ "description": "GPIO port A pin 4, 3.6V tolerant with analog switch, supports SPI1, SPI3, USART2, SAI1, LPTIM2, DAC1_OUT1, ADC1_IN9."+ },+ {+ "number": "30",+ "name": "PA5",+ "type": "bidirectional",+ "description": "GPIO port A pin 5, 3.6V tolerant with analog switch, supports TIM2, SPI1, LPTIM2, DAC1_OUT2, ADC1_IN10."+ },+ {+ "number": "31",+ "name": "PA6",+ "type": "bidirectional",+ "description": "GPIO port A pin 6, 5V tolerant with analog switch, supports TIM1, SPI1, COMP1, USART3, LPUART1, QUADSPI, TIM16, ADC1_IN11."+ },+ {+ "number": "32",+ "name": "PA7",+ "type": "bidirectional",+ "description": "GPIO port A pin 7, 5V tolerant with analog switch and Fm+ capable, supports TIM1, I2C3, SPI1, QUADSPI, COMP2, ADC1_IN12."+ },+ {+ "number": "33",+ "name": "PC4",+ "type": "bidirectional",+ "description": "GPIO port C pin 4, 5V tolerant with analog switch, supports USART3 and ADC1_IN13 functions."+ },+ {+ "number": "34",+ "name": "PC5",+ "type": "bidirectional",+ "description": "GPIO port C pin 5, 5V tolerant with analog switch, supports USART3, ADC1_IN14, COMP1_INP, and WKUP5."+ },+ {+ "number": "35",+ "name": "PB0",+ "type": "bidirectional",+ "description": "GPIO port B pin 0, 5V tolerant with analog switch, supports TIM1, SPI1, USART3, QUADSPI, COMP1, SAI1, ADC1_IN15."+ },+ {+ "number": "36",+ "name": "PB1",+ "type": "bidirectional",+ "description": "GPIO port B pin 1, 5V tolerant with analog switch, supports TIM1, USART3, LPUART1, QUADSPI, LPTIM2, ADC1_IN16."+ },+ {+ "number": "37",+ "name": "PB2",+ "type": "bidirectional",+ "description": "GPIO port B pin 2, 5V tolerant with analog switch, supports RTC_OUT, LPTIM1, I2C3 SMBA, and COMP1_INP."+ },+ {+ "number": "38",+ "name": "PE7",+ "type": "bidirectional",+ "description": "GPIO port E pin 7, 5V tolerant input/output, supports TIM1 and SAI1 alternate functions."+ },+ {+ "number": "39",+ "name": "PE8",+ "type": "bidirectional",+ "description": "GPIO port E pin 8, 5V tolerant input/output, supports TIM1 and SAI1 alternate functions."+ },+ {+ "number": "40",+ "name": "PE9",+ "type": "bidirectional",+ "description": "GPIO port E pin 9, 5V tolerant input/output, supports TIM1 and SAI1 alternate functions."+ },+ {+ "number": "41",+ "name": "PE10",+ "type": "bidirectional",+ "description": "GPIO port E pin 10, 5V tolerant input/output, supports TIM1, TSC_G5_IO1, QUADSPI, and SAI1 alternate functions."+ },+ {+ "number": "42",+ "name": "PE11",+ "type": "bidirectional",+ "description": "GPIO port E pin 11, 5V tolerant input/output, supports TIM1, TSC_G5_IO2, and QUADSPI alternate functions."+ },+ {+ "number": "43",+ "name": "PE12",+ "type": "bidirectional",+ "description": "GPIO port E pin 12, 5V tolerant input/output, supports TIM1, SPI1, TSC_G5_IO3, and QUADSPI alternate functions."+ },+ {+ "number": "44",+ "name": "PE13",+ "type": "bidirectional",+ "description": "GPIO port E pin 13, 5V tolerant input/output, supports TIM1, SPI1, TSC_G5_IO4, and QUADSPI alternate functions."+ },+ {+ "number": "45",+ "name": "PE14",+ "type": "bidirectional",+ "description": "GPIO port E pin 14, 5V tolerant input/output, supports TIM1, SPI1, COMP2, and QUADSPI alternate functions."+ },+ {+ "number": "46",+ "name": "PE15",+ "type": "bidirectional",+ "description": "GPIO port E pin 15, 5V tolerant input/output, supports TIM1, SPI1, COMP1, and QUADSPI alternate functions."+ },+ {+ "number": "47",+ "name": "PB10",+ "type": "bidirectional",+ "description": "GPIO port B pin 10, 5V tolerant Fm+ capable input/output, supports TIM2, I2C2, SPI2, USART3, LPUART1, QUADSPI, COMP1, SAI1."+ },+ {+ "number": "48",+ "name": "PB11",+ "type": "bidirectional",+ "description": "GPIO port B pin 11, 5V tolerant Fm+ capable input/output, supports TIM2, I2C2, USART3, LPUART1, QUADSPI, COMP2."+ },+ {+ "number": "49",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin, must be connected to external ground with main power supply and bypass capacitor."+ },+ {+ "number": "50",+ "name": "VDD",+ "type": "power_in",+ "description": "Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin."+ },+ {+ "number": "51",+ "name": "PB12",+ "type": "bidirectional",+ "description": "GPIO port B pin 12, 5V tolerant input/output, supports TIM1, I2C2, SPI2, USART3, LPUART1, TSC_G1_IO1, SWPMI1, SAI1, TIM15."+ },+ {+ "number": "52",+ "name": "PB13",+ "type": "bidirectional",+ "description": "GPIO port B pin 13, 5V tolerant Fm+ capable input/output, supports TIM1, I2C2, SPI2, USART3, LPUART1, TSC_G1_IO2, SWPMI1, SAI1."+ },+ {+ "number": "53",+ "name": "PB14",+ "type": "bidirectional",+ "description": "GPIO port B pin 14, 5V tolerant Fm+ capable input/output, supports TIM1, I2C2, SPI2, USART3, TSC_G1_IO3, SWPMI1, SAI1, TIM15."+ },+ {+ "number": "54",+ "name": "PB15",+ "type": "bidirectional",+ "description": "GPIO port B pin 15, 5V tolerant input/output, supports RTC_REFIN, TIM1, SPI2, TSC_G1_IO4, SWPMI1, SAI1, TIM15."+ },+ {+ "number": "55",+ "name": "PD8",+ "type": "bidirectional",+ "description": "GPIO port D pin 8, 5V tolerant input/output, supports USART3 alternate function."+ },+ {+ "number": "56",+ "name": "PD9",+ "type": "bidirectional",+ "description": "GPIO port D pin 9, 5V tolerant input/output, supports USART3 alternate function."+ },+ {+ "number": "57",+ "name": "PD10",+ "type": "bidirectional",+ "description": "GPIO port D pin 10, 5V tolerant input/output, supports USART3, TSC_G6_IO1 alternate functions."+ },+ {+ "number": "58",+ "name": "PD11",+ "type": "bidirectional",+ "description": "GPIO port D pin 11, 5V tolerant input/output, supports USART3, TSC_G6_IO2, LPTIM2 alternate functions."+ },+ {+ "number": "59",+ "name": "PD12",+ "type": "bidirectional",+ "description": "GPIO port D pin 12, 5V tolerant input/output, supports USART3, TSC_G6_IO3, LPTIM2 alternate functions."+ },+ {+ "number": "60",+ "name": "PD13",+ "type": "bidirectional",+ "description": "GPIO port D pin 13, 5V tolerant input/output, supports TSC_G6_IO4, LPTIM2 alternate functions."+ },+ {+ "number": "61",+ "name": "PD14",+ "type": "bidirectional",+ "description": "GPIO port D pin 14, 5V tolerant input/output, EVENTOUT alternate function only."+ },+ {+ "number": "62",+ "name": "PD15",+ "type": "bidirectional",+ "description": "GPIO port D pin 15, 5V tolerant input/output, EVENTOUT alternate function only."+ },+ {+ "number": "63",+ "name": "PC6",+ "type": "bidirectional",+ "description": "GPIO port C pin 6, 5V tolerant input/output, supports TSC_G4_IO1, SDMMC1_D6 alternate functions."+ },+ {+ "number": "64",+ "name": "PC7",+ "type": "bidirectional",+ "description": "GPIO port C pin 7, 5V tolerant input/output, supports TSC_G4_IO2, SDMMC1_D7 alternate functions."+ },+ {+ "number": "65",+ "name": "PC8",+ "type": "bidirectional",+ "description": "GPIO port C pin 8, 5V tolerant input/output, supports TSC_G4_IO3, SDMMC1_D0 alternate functions."+ },+ {+ "number": "66",+ "name": "PC9",+ "type": "bidirectional",+ "description": "GPIO port C pin 9, 5V tolerant input/output, supports TSC_G4_IO4, SDMMC1_D1 alternate functions."+ },+ {+ "number": "67",+ "name": "PA8",+ "type": "bidirectional",+ "description": "GPIO port A pin 8, 5V tolerant input/output, supports MCO, TIM1, USART1, SWPMI1, SAI1, LPTIM2 alternate functions."+ },+ {+ "number": "68",+ "name": "PA9",+ "type": "bidirectional",+ "description": "GPIO port A pin 9, 5V tolerant Fm+ capable input/output, supports TIM1, I2C1, USART1, SAI1, TIM15 alternate functions."+ },+ {+ "number": "69",+ "name": "PA10",+ "type": "bidirectional",+ "description": "GPIO port A pin 10, 5V tolerant Fm+ capable input/output, supports TIM1, I2C1, USART1, SAI1 alternate functions."+ },+ {+ "number": "70",+ "name": "PA11",+ "type": "bidirectional",+ "description": "GPIO port A pin 11, 5V tolerant input/output, supports TIM1, SPI1, COMP1, USART1, CAN1_RX alternate functions."+ },+ {+ "number": "71",+ "name": "PA12",+ "type": "bidirectional",+ "description": "GPIO port A pin 12, 5V tolerant input/output, supports TIM1, SPI1, USART1, CAN1_TX alternate functions."+ },+ {+ "number": "72",+ "name": "PA13",+ "type": "bidirectional",+ "description": "GPIO port A pin 13 / JTAG TMS / Serial Wire Debug I/O, 5V tolerant, internal pull-up after reset, debug port shared with alternate functions."+ },+ {+ "number": "73",+ "name": "VDD",+ "type": "power_in",+ "description": "Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin."+ },+ {+ "number": "74",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin, must be connected to external ground with main power supply and bypass capacitor."+ },+ {+ "number": "75",+ "name": "VDD",+ "type": "power_in",+ "description": "Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin."+ },+ {+ "number": "76",+ "name": "PA14",+ "type": "bidirectional",+ "description": "GPIO port A pin 14 / JTAG TCK / Serial Wire Debug Clock, 5V tolerant, internal pull-down after reset, debug port shared with alternate functions."+ },+ {+ "number": "77",+ "name": "PA15",+ "type": "bidirectional",+ "description": "GPIO port A pin 15 / JTAG TDI, 5V tolerant, internal pull-up after reset, supports TIM2, USART2, SPI1, SPI3, USART3, TSC_G3_IO1, SWPMI1."+ },+ {+ "number": "78",+ "name": "PC10",+ "type": "bidirectional",+ "description": "GPIO port C pin 10, 5V tolerant input/output, supports SPI3, USART3, TSC_G3_IO2, SDMMC1_D2 alternate functions."+ },+ {+ "number": "79",+ "name": "PC11",+ "type": "bidirectional",+ "description": "GPIO port C pin 11, 5V tolerant input/output, supports SPI3, USART3, TSC_G3_IO3, SDMMC1_D3 alternate functions."+ },+ {+ "number": "80",+ "name": "PC12",+ "type": "bidirectional",+ "description": "GPIO port C pin 12, 5V tolerant input/output, supports SPI3, USART3, TSC_G3_IO4, SDMMC1_CK alternate functions."+ },+ {+ "number": "81",+ "name": "PD0",+ "type": "bidirectional",+ "description": "GPIO port D pin 0, 5V tolerant input/output, supports SPI2_NSS, CAN1_RX alternate functions."+ },+ {+ "number": "82",+ "name": "PD1",+ "type": "bidirectional",+ "description": "GPIO port D pin 1, 5V tolerant input/output, supports SPI2_SCK, CAN1_TX alternate functions."+ },+ {+ "number": "83",+ "name": "PD2",+ "type": "bidirectional",+ "description": "GPIO port D pin 2, 5V tolerant input/output, supports USART3, TSC_SYNC, SDMMC1_CMD alternate functions."+ },+ {+ "number": "84",+ "name": "PD3",+ "type": "bidirectional",+ "description": "GPIO port D pin 3, 5V tolerant input/output, supports SPI2, USART2, QUADSPI alternate functions."+ },+ {+ "number": "85",+ "name": "PD4",+ "type": "bidirectional",+ "description": "GPIO port D pin 4, 5V tolerant input/output, supports SPI2, USART2, QUADSPI alternate functions."+ },+ {+ "number": "86",+ "name": "PD5",+ "type": "bidirectional",+ "description": "GPIO port D pin 5, 5V tolerant input/output, supports USART2, QUADSPI alternate functions."+ },+ {+ "number": "87",+ "name": "PD6",+ "type": "bidirectional",+ "description": "GPIO port D pin 6, 5V tolerant input/output, supports USART2, QUADSPI, SAI1 alternate functions."+ },+ {+ "number": "88",+ "name": "PD7",+ "type": "bidirectional",+ "description": "GPIO port D pin 7, 5V tolerant input/output, supports USART2, QUADSPI alternate functions."+ },+ {+ "number": "89",+ "name": "PB3",+ "type": "bidirectional",+ "description": "GPIO port B pin 3 / JTAG TDO / Trace Serial Wire Output, 5V tolerant with analog switch, internal pull-up after reset, debug port shared with alternate functions."+ },+ {+ "number": "90",+ "name": "PB4",+ "type": "bidirectional",+ "description": "GPIO port B pin 4 / JTAG NTRST, 5V tolerant with analog switch and Fm+ capable, internal pull-up after reset, supports I2C3, SPI1, SPI3, USART1, TSC_G2_IO1, SAI1."+ },+ {+ "number": "91",+ "name": "PB5",+ "type": "bidirectional",+ "description": "GPIO port B pin 5, 5V tolerant input/output, supports LPTIM1, I2C1, SPI1, SPI3, USART1, TSC_G2_IO2, COMP2, SAI1, TIM16."+ },+ {+ "number": "92",+ "name": "PB6",+ "type": "bidirectional",+ "description": "GPIO port B pin 6, 5V tolerant with analog switch and Fm+ capable input/output, supports LPTIM1, I2C1, USART1, TSC_G2_IO3, SAI1, TIM16."+ },+ {+ "number": "93",+ "name": "PB7",+ "type": "bidirectional",+ "description": "GPIO port B pin 7, 5V tolerant with analog switch and Fm+ capable input/output, supports LPTIM1, I2C1, USART1, TSC_G2_IO4, COMP2_INM, PVD_IN."+ },+ {+ "number": "94",+ "name": "PH3/BOOT0",+ "type": "bidirectional",+ "description": "GPIO port H pin 3 / Boot configuration pin, 5V tolerant input/output, selects boot from flash (low) or system memory (high) during reset."+ },+ {+ "number": "95",+ "name": "PB8",+ "type": "bidirectional",+ "description": "GPIO port B pin 8, 5V tolerant Fm+ capable input/output, supports I2C1, CAN1_RX, SDMMC1_D4, SAI1, TIM16 alternate functions."+ },+ {+ "number": "96",+ "name": "PB9",+ "type": "bidirectional",+ "description": "GPIO port B pin 9, 5V tolerant Fm+ capable input/output, supports IR_OUT, I2C1, SPI2, CAN1_TX, SDMMC1_D5, SAI1 alternate functions."+ },+ {+ "number": "97",+ "name": "PE0",+ "type": "bidirectional",+ "description": "GPIO port E pin 0, 5V tolerant input/output, supports TIM16 alternate function."+ },+ {+ "number": "98",+ "name": "PE1",+ "type": "bidirectional",+ "description": "GPIO port E pin 1, 5V tolerant input/output, EVENTOUT alternate function only."+ },+ {+ "number": "99",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin, must be connected to external ground with main power supply and bypass capacitor."+ },+ {+ "number": "100",+ "name": "VDD",+ "type": "power_in",+ "description": "Main 3.3V power supply input, 1.71-3.6V, requires 100 nF bypass capacitor placed close to pin."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Multiple VDD, VSS, VDDA, VSSA pins present in 100-pin package require proper decoupling strategy as ; Debug pins PA13, PA14, PA15, PB3, PB4 have special configurations with internal pull-up/pull-down re; Oscillator pins PH0, PH1, PC14, PC15 require specific circuit design per application note recommenda"+ ],+ "pages_sent": 80,+ "cost_usd": 0.5843,+ "at": "2026-10-07T08:21:57"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886246482956288",+ "pages": 208,+ "sha256": "71963de3cb899f8f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 100,+ "described": 100,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm32l431vct6.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 16,+ 16,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm32l431vct6-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 16,+ 16,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "6f717ab848a551583a6c19e0f9a16be7f0b47de3ba3ccf06a64c2867fe40a231",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}