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STM32G431K6U6
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STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-32(5x5). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+69@@ -0,0 +1,69 @@+# STM32G431K6U6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · UFQFPN-32(5x5)++STM32G431K6U6 from STMicroelectronics, in a UFQFPN-32(5x5). 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 | VDD | power_in | Main power supply voltage input, 1.71 V to 3.6 V. |+| 2 | PF0-OSC_IN | bidirectional | General-purpose I/O with analog switch and Fm+ capable, 5 V tolerant, externally usable as oscillator input. |+| 3 | PF1-OSC_OUT | bidirectional | General-purpose I/O with analog switch, 5 V tolerant, externally usable as oscillator output. |+| 4 | PG10-NRST | bidirectional | Reset pin with internal weak pull-up, 5 V tolerant, bidirectional with embedded pull-up resistor. |+| 5 | PA0 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH1 and ADC12_IN1. |+| 6 | PA1 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH2 and ADC12_IN2. |+| 7 | PA2 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including USART2_TX and ADC1_IN3. |+| 8 | PA3 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH4 and ADC1_IN4. |+| 9 | PA4 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including SPI1_NSS and ADC2_IN17. |+| 10 | PA5 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including SPI1_SCK and ADC2_IN13. |+| 11 | PA6 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM16_CH1 and ADC2_IN3. |+| 12 | PA7 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM17_CH1 and ADC2_IN4. |+| 13 | PB0 | bidirectional | General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM3_CH3 and ADC1_IN15. |+| 14 | VSSA | power_in | Analog ground reference for ADC, DAC, OPAMP, and COMP circuits. |+| 15 | VDDA | power_in | Analog power supply for ADC, DAC, OPAMP, COMP, and VREFBUF, 1.62 V to 3.6 V when ADC/COMP/DAC/OPAMP used. |+| 16 | VSS | power_in | Ground reference, connection point to external power supply. |+| 17 | VDD | power_in | Main power supply voltage input, 1.71 V to 3.6 V. |+| 18 | PA8 | bidirectional | General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including MCO, I2C3_SCL, and TIM1_CH1. |+| 19 | PA9 | bidirectional | General-purpose I/O with Fm+ capability and USB Type-C dead battery function, 5 V tolerant, supports alternate functions including USART1_TX. |+| 20 | PA10 | bidirectional | General-purpose I/O with USB Type-C dead battery function, 5 V tolerant, supports alternate functions including USART1_RX and USB_CRS_SYNC. |+| 21 | PA11 | bidirectional | General-purpose I/O with USB capability, 5 V tolerant, supports alternate functions including USB_DM and FDCAN1_RX. |+| 22 | PA12 | bidirectional | General-purpose I/O with USB capability, 5 V tolerant, supports alternate functions including USB_DP and FDCAN1_TX. |+| 23 | PA13 | bidirectional | General-purpose I/O with Fm+ capability, 5 V tolerant, configured as SWDIO-JTMS after reset with internal pull-up. |+| 24 | PA14 | bidirectional | General-purpose I/O with Fm+ capability, 5 V tolerant, configured as SWCLK-JTCK after reset with internal pull-down. |+| 25 | PA15 | bidirectional | General-purpose I/O with Fm+ capability, 5 V tolerant, configured as JTDI after reset with internal pull-up. |+| 26 | PB3 | bidirectional | General-purpose I/O, 5 V tolerant, configured as JTDO-TRACESWO after reset, supports alternate functions including SPI1_SCK and USART2_TX. |+| 27 | PB4 | bidirectional | General-purpose I/O with USB Type-C PD capability, 5 V tolerant, configured as JTRST after reset, implements UCPD1_CC2 with internal pull-down. |+| 28 | PB5 | bidirectional | General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including SPI1_MOSI and TIM16_BKIN. |+| 29 | PB6 | bidirectional | General-purpose I/O with USB Type-C PD capability, 5 V tolerant, implements UCPD1_CC1 with internal pull-down. |+| 30 | PB7 | bidirectional | General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including I2C1_SDA and USART1_RX. |+| 31 | PB8-BOOT0 | bidirectional | Dedicated boot mode selection pin and general-purpose I/O with Fm+ capability, 5 V tolerant, recommends setting to non-analog mode after startup to limit consumption. |+| 32 | VSS | power_in | Ground reference, connection point to external power supply. |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | UFQFPN-32(5x5) |+| Category | Embedded Processors & Controllers |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `STM32G431K6U6`+- Footprint: `Package_DFN_QFN:UFQFPN-32-1EP_5x5mm_P0.5mm_EP3.5x3.5mm`+- 3D model: UFQFPN-32(5x5) (KiCad packages3D, STEP)+- 3D model files: `stm32g431k6u6-etched.step` / `stm32g431k6u6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32g431k6u6.step` / `stm32g431k6u6.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/8588940324853469184) (197 pp, sha256 `caaa126a00ab9e06`, retrieved 2026-10-01, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/stm32g431k6u6-datasheet.pdf)
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"model_3d_plain": "stm32g431k6u6.glb",+ "model_3d_step": "stm32g431k6u6-etched.step",+ "model_3d_step_plain": "stm32g431k6u6.step",+ "lbr": "stm32g431k6u6.lbr"+ },+ "distributor_links": {+ "lcsc": "C1236625",+ "digikey": "497-STM32G431K6U6-ND",+ "mouser": "511-STM32G431K6U6"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T18:06:57Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-STM32G431K6U6-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32G431K6U6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Main power supply voltage input, 1.71 V to 3.6 V."+ },+ {+ "number": "2",+ "name": "PF0-OSC_IN",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch and Fm+ capable, 5 V tolerant, externally usable as oscillator input."+ },+ {+ "number": "3",+ "name": "PF1-OSC_OUT",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 5 V tolerant, externally usable as oscillator output."+ },+ {+ "number": "4",+ "name": "PG10-NRST",+ "type": "bidirectional",+ "description": "Reset pin with internal weak pull-up, 5 V tolerant, bidirectional with embedded pull-up resistor."+ },+ {+ "number": "5",+ "name": "PA0",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH1 and ADC12_IN1."+ },+ {+ "number": "6",+ "name": "PA1",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH2 and ADC12_IN2."+ },+ {+ "number": "7",+ "name": "PA2",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including USART2_TX and ADC1_IN3."+ },+ {+ "number": "8",+ "name": "PA3",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH4 and ADC1_IN4."+ },+ {+ "number": "9",+ "name": "PA4",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including SPI1_NSS and ADC2_IN17."+ },+ {+ "number": "10",+ "name": "PA5",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including SPI1_SCK and ADC2_IN13."+ },+ {+ "number": "11",+ "name": "PA6",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM16_CH1 and ADC2_IN3."+ },+ {+ "number": "12",+ "name": "PA7",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM17_CH1 and ADC2_IN4."+ },+ {+ "number": "13",+ "name": "PB0",+ "type": "bidirectional",+ "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM3_CH3 and ADC1_IN15."+ },+ {+ "number": "14",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground reference for ADC, DAC, OPAMP, and COMP circuits."+ },+ {+ "number": "15",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply for ADC, DAC, OPAMP, COMP, and VREFBUF, 1.62 V to 3.6 V when ADC/COMP/DAC/OPAMP used."+ },+ {+ "number": "16",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground reference, connection point to external power supply."+ },+ {+ "number": "17",+ "name": "VDD",+ "type": "power_in",+ "description": "Main power supply voltage input, 1.71 V to 3.6 V."+ },+ {+ "number": "18",+ "name": "PA8",+ "type": "bidirectional",+ "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including MCO, I2C3_SCL, and TIM1_CH1."+ },+ {+ "number": "19",+ "name": "PA9",+ "type": "bidirectional",+ "description": "General-purpose I/O with Fm+ capability and USB Type-C dead battery function, 5 V tolerant, supports alternate functions including USART1_TX."+ },+ {+ "number": "20",+ "name": "PA10",+ "type": "bidirectional",+ "description": "General-purpose I/O with USB Type-C dead battery function, 5 V tolerant, supports alternate functions including USART1_RX and USB_CRS_SYNC."+ },+ {+ "number": "21",+ "name": "PA11",+ "type": "bidirectional",+ "description": "General-purpose I/O with USB capability, 5 V tolerant, supports alternate functions including USB_DM and FDCAN1_RX."+ },+ {+ "number": "22",+ "name": "PA12",+ "type": "bidirectional",+ "description": "General-purpose I/O with USB capability, 5 V tolerant, supports alternate functions including USB_DP and FDCAN1_TX."+ },+ {+ "number": "23",+ "name": "PA13",+ "type": "bidirectional",+ "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, configured as SWDIO-JTMS after reset with internal pull-up."+ },+ {+ "number": "24",+ "name": "PA14",+ "type": "bidirectional",+ "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, configured as SWCLK-JTCK after reset with internal pull-down."+ },+ {+ "number": "25",+ "name": "PA15",+ "type": "bidirectional",+ "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, configured as JTDI after reset with internal pull-up."+ },+ {+ "number": "26",+ "name": "PB3",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5 V tolerant, configured as JTDO-TRACESWO after reset, supports alternate functions including SPI1_SCK and USART2_TX."+ },+ {+ "number": "27",+ "name": "PB4",+ "type": "bidirectional",+ "description": "General-purpose I/O with USB Type-C PD capability, 5 V tolerant, configured as JTRST after reset, implements UCPD1_CC2 with internal pull-down."+ },+ {+ "number": "28",+ "name": "PB5",+ "type": "bidirectional",+ "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including SPI1_MOSI and TIM16_BKIN."+ },+ {+ "number": "29",+ "name": "PB6",+ "type": "bidirectional",+ "description": "General-purpose I/O with USB Type-C PD capability, 5 V tolerant, implements UCPD1_CC1 with internal pull-down."+ },+ {+ "number": "30",+ "name": "PB7",+ "type": "bidirectional",+ "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including I2C1_SDA and USART1_RX."+ },+ {+ "number": "31",+ "name": "PB8-BOOT0",+ "type": "bidirectional",+ "description": "Dedicated boot mode selection pin and general-purpose I/O with Fm+ capability, 5 V tolerant, recommends setting to non-analog mode after startup to limit consumption."+ },+ {+ "number": "32",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground reference, connection point to external power supply."+ },+ {+ "number": "33",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 76,+ "cost_usd": 1.4523,+ "at": "2026-10-01T18:06:38"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940324853469184",+ "pages": 197,+ "sha256": "caaa126a00ab9e06",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "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]"+ }+}