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STM32L422KBT6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+68@@ -0,0 +1,68 @@+# STM32L422KBT6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-32(7x7)++STM32L422KBT6 from STMicroelectronics, in a LQFP-32(7x7). 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 pin, 1.71 V to 3.6 V. |+| 2 | PC14 | bidirectional | 32 kHz oscillator input (OSC32_IN) or general-purpose I/O, 5V tolerant. |+| 3 | PC15 | bidirectional | 32 kHz oscillator output (OSC32_OUT) or general-purpose I/O, 5V tolerant. |+| 4 | NRST | bidirectional | External reset input with embedded weak pull-up resistor, bidirectional reset pin. |+| 5 | VDDA | power_in | Analog power supply and positive reference voltage (VREF+), 1.62 V to 3.6 V when ADC/COMP used. |+| 6 | PA0 | bidirectional | General-purpose I/O with clock input capability (CK_IN), 5V tolerant with analog switch function, ADC channel input. |+| 7 | PA1 | bidirectional | General-purpose I/O, 5V tolerant with analog switch function, supports TIM2/I2C1/SPI1/USART2/TIM15 alternate functions, ADC channel input. |+| 8 | PA2 | bidirectional | General-purpose I/O, 5V tolerant with analog switch function, supports TIM2/USART2/LPUART1/QUADSPI alternate functions, ADC channel input. |+| 9 | PA3 | bidirectional | General-purpose I/O, 3.6V supply tolerant with analog switch function, supports TIM2/USART2/LPUART1/QUADSPI alternate functions, OPAMP1 output. |+| 10 | PA4 | bidirectional | General-purpose I/O, 3.6V supply tolerant with analog switch function, supports SPI1/USART2/LPTIM2 alternate functions, ADC channel input. |+| 11 | PA5 | bidirectional | General-purpose I/O, 3.6V supply tolerant with analog switch function, supports TIM2/SPI1/LPTIM2 alternate functions, ADC channel input. |+| 12 | PA6 | bidirectional | General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/SPI1/COMP1/USART3/LPUART1/QUADSPI/TIM16 alternate functions, ADC channel input. |+| 13 | PA7 | bidirectional | General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports TIM1/I2C3/SPI1/QUADSPI alternate functions, ADC channel input. |+| 14 | PB0 | bidirectional | General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/SPI1/USART3/QUADSPI/TIM16 alternate functions, ADC channel input. |+| 15 | PB1 | bidirectional | General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/USART3/LPUART1/QUADSPI/LPTIM2 alternate functions, ADC channel input. |+| 16 | VSS | power_in | Ground (reference potential for digital circuits). |+| 17 | VDD | power_in | Main power supply pin, 1.71 V to 3.6 V. |+| 18 | PA8 | bidirectional | General-purpose I/O, 5V tolerant, supports MCO/TIM1/USART1/LPTIM2 alternate functions. |+| 19 | PA9 | bidirectional | General-purpose I/O, 5V tolerant with FM+ I2C capability, supports TIM1/I2C1/USART1/TIM15 alternate functions. |+| 20 | PA10 | bidirectional | General-purpose I/O, 5V tolerant with FM+ I2C capability, supports TIM1/I2C1/USART1/USB alternate functions. |+| 21 | PA11 | bidirectional | General-purpose I/O, 5V tolerant with USB device function, supports TIM1/SPI1/COMP1/USART1/USB-DM alternate functions. |+| 22 | PA12 | bidirectional | General-purpose I/O, 5V tolerant with USB device function, supports TIM1/SPI1/USART1/USB-DP alternate functions. |+| 23 | PA13 | bidirectional | JTAG/SWD debug interface (SWDIO) or general-purpose I/O, 5V tolerant, supports IR_OUT/USB_NOE alternate functions. |+| 24 | PA14 | bidirectional | JTAG/SWD debug interface (SWCLK) or general-purpose I/O, 5V tolerant, supports LPTIM1_OUT/I2C1_SMBA alternate functions. |+| 25 | PA15 | bidirectional | JTAG debug input (JTDI) or general-purpose I/O, 5V tolerant, supports TIM2/USART2/SPI1/USART3/TSC alternate functions. |+| 26 | PB3 | bidirectional | JTAG debug output (TRACESWO) or general-purpose I/O, 5V tolerant with analog switch function, supports TIM2/SPI1/USART1/TSC alternate functions. |+| 27 | PB4 | bidirectional | JTAG reset (NJTRST) or general-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports I2C3/SPI1/USART1/TSC alternate functions. |+| 28 | PB5 | bidirectional | General-purpose I/O, 5V tolerant, supports LPTIM1/I2C1/SPI1/USART1/TSC/TIM16 alternate functions. |+| 29 | PB6 | bidirectional | General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports LPTIM1/I2C1/USART1/TSC/TIM16 alternate functions. |+| 30 | PB7 | bidirectional | General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports LPTIM1/I2C1/USART1/TSC alternate functions, programmable voltage detector input. |+| 31 | PH3 | bidirectional | Boot configuration input (BOOT0) or general-purpose I/O, 5V tolerant. |+| 32 | VSS | power_in | Ground (reference potential for digital circuits). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-32(7x7) |+| Category | Embedded Processors & Controllers |+| Pins | 32 |++## CAD (KiCad official)++- Symbol: `STM32L422KBT6`+- Footprint: `Package_QFP:LQFP-32_7x7mm_P0.8mm`+- 3D model: LQFP-32(7x7) (KiCad packages3D, STEP)+- 3D model files: `stm32l422kbt6-etched.step` / `stm32l422kbt6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l422kbt6.step` / `stm32l422kbt6.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/8588886206004809728) (184 pp, sha256 `6bef461ef929a17c`, 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/stm32l422kbt6-datasheet.pdf)
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Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32l422kbt6",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l422kbt6.kicad_sym",+ "stm32l422kbt6.kicad_mod",+ "stm32l422kbt6.glb",+ "stm32l422kbt6.step",+ "stm32l422kbt6.lbr",+ "docs/hero.png",+ "docs/stm32l422kbt6-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "stm32l422kbt6-hero.glb",+ "stm32l422kbt6-hero.overlay.json"+ ],+ "component": {+ "mpn": "STM32L422KBT6",+ "manufacturer": "STMicroelectronics",+ "package": "LQFP-32(7x7)",+ "pin_count": 32,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886206004809728",+ "parts": {+ "symbol": "stm32l422kbt6.kicad_sym",+ "footprint": "stm32l422kbt6.kicad_mod",+ "model_3d": "stm32l422kbt6-hero.glb",+ "model_3d_plain": "stm32l422kbt6.glb",+ "model_3d_step": "stm32l422kbt6-etched.step",+ "model_3d_step_plain": "stm32l422kbt6.step",+ "lbr": "stm32l422kbt6.lbr"+ },+ "distributor_links": {+ "lcsc": "C529444",+ "digikey": "497-18235-ND",+ "mouser": "511-STM32L422KBT6"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T01:40:37Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-18235-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32L422KBT6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Main power supply pin, 1.71 V to 3.6 V."+ },+ {+ "number": "2",+ "name": "PC14",+ "type": "bidirectional",+ "description": "32 kHz oscillator input (OSC32_IN) or general-purpose I/O, 5V tolerant."+ },+ {+ "number": "3",+ "name": "PC15",+ "type": "bidirectional",+ "description": "32 kHz oscillator output (OSC32_OUT) or general-purpose I/O, 5V tolerant."+ },+ {+ "number": "4",+ "name": "NRST",+ "type": "bidirectional",+ "description": "External reset input with embedded weak pull-up resistor, bidirectional reset pin."+ },+ {+ "number": "5",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply and positive reference voltage (VREF+), 1.62 V to 3.6 V when ADC/COMP used."+ },+ {+ "number": "6",+ "name": "PA0",+ "type": "bidirectional",+ "description": "General-purpose I/O with clock input capability (CK_IN), 5V tolerant with analog switch function, ADC channel input."+ },+ {+ "number": "7",+ "name": "PA1",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM2/I2C1/SPI1/USART2/TIM15 alternate functions, ADC channel input."+ },+ {+ "number": "8",+ "name": "PA2",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM2/USART2/LPUART1/QUADSPI alternate functions, ADC channel input."+ },+ {+ "number": "9",+ "name": "PA3",+ "type": "bidirectional",+ "description": "General-purpose I/O, 3.6V supply tolerant with analog switch function, supports TIM2/USART2/LPUART1/QUADSPI alternate functions, OPAMP1 output."+ },+ {+ "number": "10",+ "name": "PA4",+ "type": "bidirectional",+ "description": "General-purpose I/O, 3.6V supply tolerant with analog switch function, supports SPI1/USART2/LPTIM2 alternate functions, ADC channel input."+ },+ {+ "number": "11",+ "name": "PA5",+ "type": "bidirectional",+ "description": "General-purpose I/O, 3.6V supply tolerant with analog switch function, supports TIM2/SPI1/LPTIM2 alternate functions, ADC channel input."+ },+ {+ "number": "12",+ "name": "PA6",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/SPI1/COMP1/USART3/LPUART1/QUADSPI/TIM16 alternate functions, ADC channel input."+ },+ {+ "number": "13",+ "name": "PA7",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports TIM1/I2C3/SPI1/QUADSPI alternate functions, ADC channel input."+ },+ {+ "number": "14",+ "name": "PB0",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/SPI1/USART3/QUADSPI/TIM16 alternate functions, ADC channel input."+ },+ {+ "number": "15",+ "name": "PB1",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/USART3/LPUART1/QUADSPI/LPTIM2 alternate functions, ADC channel input."+ },+ {+ "number": "16",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground (reference potential for digital circuits)."+ },+ {+ "number": "17",+ "name": "VDD",+ "type": "power_in",+ "description": "Main power supply pin, 1.71 V to 3.6 V."+ },+ {+ "number": "18",+ "name": "PA8",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant, supports MCO/TIM1/USART1/LPTIM2 alternate functions."+ },+ {+ "number": "19",+ "name": "PA9",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with FM+ I2C capability, supports TIM1/I2C1/USART1/TIM15 alternate functions."+ },+ {+ "number": "20",+ "name": "PA10",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with FM+ I2C capability, supports TIM1/I2C1/USART1/USB alternate functions."+ },+ {+ "number": "21",+ "name": "PA11",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with USB device function, supports TIM1/SPI1/COMP1/USART1/USB-DM alternate functions."+ },+ {+ "number": "22",+ "name": "PA12",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with USB device function, supports TIM1/SPI1/USART1/USB-DP alternate functions."+ },+ {+ "number": "23",+ "name": "PA13",+ "type": "bidirectional",+ "description": "JTAG/SWD debug interface (SWDIO) or general-purpose I/O, 5V tolerant, supports IR_OUT/USB_NOE alternate functions."+ },+ {+ "number": "24",+ "name": "PA14",+ "type": "bidirectional",+ "description": "JTAG/SWD debug interface (SWCLK) or general-purpose I/O, 5V tolerant, supports LPTIM1_OUT/I2C1_SMBA alternate functions."+ },+ {+ "number": "25",+ "name": "PA15",+ "type": "bidirectional",+ "description": "JTAG debug input (JTDI) or general-purpose I/O, 5V tolerant, supports TIM2/USART2/SPI1/USART3/TSC alternate functions."+ },+ {+ "number": "26",+ "name": "PB3",+ "type": "bidirectional",+ "description": "JTAG debug output (TRACESWO) or general-purpose I/O, 5V tolerant with analog switch function, supports TIM2/SPI1/USART1/TSC alternate functions."+ },+ {+ "number": "27",+ "name": "PB4",+ "type": "bidirectional",+ "description": "JTAG reset (NJTRST) or general-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports I2C3/SPI1/USART1/TSC alternate functions."+ },+ {+ "number": "28",+ "name": "PB5",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant, supports LPTIM1/I2C1/SPI1/USART1/TSC/TIM16 alternate functions."+ },+ {+ "number": "29",+ "name": "PB6",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports LPTIM1/I2C1/USART1/TSC/TIM16 alternate functions."+ },+ {+ "number": "30",+ "name": "PB7",+ "type": "bidirectional",+ "description": "General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports LPTIM1/I2C1/USART1/TSC alternate functions, programmable voltage detector input."+ },+ {+ "number": "31",+ "name": "PH3",+ "type": "bidirectional",+ "description": "Boot configuration input (BOOT0) or general-purpose I/O, 5V tolerant."+ },+ {+ "number": "32",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground (reference potential for digital circuits)."+ }+ ],+ "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: Pin 5 (VDDA) serves dual purpose as both analog power supply and positive reference voltage input; t; PA3, PA4, PA5 are specified as 3.6V supply tolerant (TT_a) rather than 5V tolerant like other GPIO p",+ "15/32 pins cited to the wrong page (name found elsewhere): ['18:PA8@p55', '19:PA9@p55', '20:PA10@p55', '21:PA11@p55']"+ ],+ "pages_sent": 71,+ "cost_usd": 0.4776,+ "at": "2026-10-07T01:40:16"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886206004809728",+ "pages": 184,+ "sha256": "6bef461ef929a17c",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 32,+ "described": 32,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm32l422kbt6.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm32l422kbt6-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "4438c63513d9c65b849e538c509dcf268ff061852e377d8bc4f17289b280a47e",+ "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]"+ }+}