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STM32L031K6T6TR
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 @@+# STM32L031K6T6TR++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-32(7x7)++STM32L031K6T6TR 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 | Supply voltage input, operating range 1.65 V to 3.6 V. |+| 2 | PC14-OSC32_IN | bidirectional | Standard 3.3 V I/O; functions as 32 kHz oscillator input for the RTC. |+| 3 | PC15-OSC32_OUT | bidirectional | Standard 3.3 V I/O; functions as 32 kHz oscillator output for the RTC. |+| 4 | NRST | bidirectional | Bidirectional reset input pin with embedded weak pull-up resistor, active low. |+| 5 | VDDA | power_in | Analog power supply input, operating range 1.65 V to 3.6 V; requires decoupling capacitor. |+| 6 | PA0-CK_IN | bidirectional | General-purpose I/O, standard 3.3 V, selectable as external clock input; supports Timer, USART, comparator alternates and ADC, RTC tamper/wakeup functions. |+| 7 | PA1 | bidirectional | 5V-tolerant general-purpose I/O with ADC input; supports timer, USART, I2C, comparator alternate functions. |+| 8 | PA2 | bidirectional | Standard 3.3 V general-purpose I/O with ADC input; supports timer, USART, LPUART, comparator alternate functions. |+| 9 | PA3 | bidirectional | 5V-tolerant general-purpose I/O with ADC input; supports timer and USART/LPUART alternate functions. |+| 10 | PA4 | bidirectional | Standard 3.3 V general-purpose I/O with ADC input; supports SPI chip select, LPTIM, USART clock, timer alternate functions. |+| 11 | PA5 | bidirectional | Standard 3.3 V general-purpose I/O with ADC input; supports SPI clock and timer alternate functions. |+| 12 | PA6 | bidirectional | 5V-tolerant general-purpose I/O with ADC input; supports SPI MISO, LPTIM, LPUART CTS, timer, and comparator alternate functions. |+| 13 | PA7 | bidirectional | 5V-tolerant general-purpose I/O with ADC input; supports SPI MOSI, LPTIM, USART CTS, timer, and comparator alternate functions. |+| 14 | PB0 | bidirectional | 5V-tolerant general-purpose I/O with ADC input; supports SPI MISO, USART RTS, timer alternates; outputs voltage reference. |+| 15 | PB1 | bidirectional | 5V-tolerant general-purpose I/O with ADC input; supports USART clock, SPI MOSI, LPUART RTS, timer alternates; outputs voltage reference. |+| 16 | VSS | power_in | Ground supply pin. |+| 17 | VDD | power_in | Supply voltage input, operating range 1.65 V to 3.6 V. |+| 18 | PA8 | bidirectional | 5V-tolerant general-purpose I/O; supports master clock output, LPTIM input, event output, USART clock, and timer alternate functions. |+| 19 | PA9 | bidirectional | 5V-tolerant general-purpose I/O with FM+ I2C capability (up to 1 Mbit/s); supports MCO, I2C1 clock, USART TX, and timer alternate functions. |+| 20 | PA10 | bidirectional | 5V-tolerant general-purpose I/O with FM+ I2C capability (up to 1 Mbit/s); supports I2C1 data, USART RX, and timer alternate functions. |+| 21 | PA11 | bidirectional | 5V-tolerant general-purpose I/O; supports SPI MISO, USART CTS, timer, event output, and comparator alternate functions. |+| 22 | PA12 | bidirectional | 5V-tolerant general-purpose I/O; supports SPI MOSI, USART RTS, event output, and comparator alternate functions. |+| 23 | PA13 | bidirectional | 5V-tolerant general-purpose I/O dedicated to SWDIO debug interface; also supports LPTIM and LPUART alternate functions. |+| 24 | PA14 | bidirectional | 5V-tolerant general-purpose I/O dedicated to SWCLK debug interface; also supports LPTIM, I2C1 SMBus alert, USART TX, and LPUART alternate functions. |+| 25 | PA15 | bidirectional | 5V-tolerant general-purpose I/O; supports SPI chip select, timer, USART RX, and event output alternate functions. |+| 26 | PB3 | bidirectional | 5V-tolerant general-purpose I/O; supports SPI clock, timer, event output alternates and comparator inverting input function. |+| 27 | PB4 | bidirectional | 5V-tolerant general-purpose I/O; supports SPI MISO, timer, event output alternates and comparator non-inverting input function. |+| 28 | PB5 | bidirectional | 5V-tolerant general-purpose I/O; supports SPI MOSI, LPTIM input, I2C1 SMBus alert, timer alternates and comparator input function. |+| 29 | PB6 | bidirectional | 5V-tolerant general-purpose I/O with FM+ I2C capability (up to 1 Mbit/s); supports USART TX, I2C1 clock, LPTIM, timer alternates and comparator input. |+| 30 | PB7 | bidirectional | 5V-tolerant general-purpose I/O with FM+ I2C capability (up to 1 Mbit/s); supports USART RX, I2C1 data, LPTIM alternates; provides voltage reference and comparator inputs. |+| 31 | BOOT0 | input | Dedicated boot mode selection input; must be held low during reset to execute code from Flash memory. |+| 32 | VSS | power_in | Ground supply pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-32(7x7) |+| Category | Embedded Processors & Controllers |+| Pins | 32 |++## CAD (KiCad official)++- Symbol: `STM32L031K6T6TR`+- Footprint: `Package_QFP:LQFP-32_7x7mm_P0.8mm`+- 3D model: LQFP-32(7x7) (KiCad packages3D, STEP)+- 3D model files: `stm32l031k6t6tr-etched.step` / `stm32l031k6t6tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l031k6t6tr.step` / `stm32l031k6t6tr.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/8588942007767347200) (126 pp, sha256 `9726c48418e03f62`, retrieved 2026-10-01, 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/stm32l031k6t6tr-datasheet.pdf)
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Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32l031k6t6tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l031k6t6tr.kicad_sym",+ "stm32l031k6t6tr.kicad_mod",+ "stm32l031k6t6tr.glb",+ "stm32l031k6t6tr.step",+ "stm32l031k6t6tr.lbr",+ "docs/hero.png",+ "docs/stm32l031k6t6tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32L031K6T6TR",+ "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/8588942007767347200",+ "parts": {+ "symbol": "stm32l031k6t6tr.kicad_sym",+ "footprint": "stm32l031k6t6tr.kicad_mod",+ "model_3d": "stm32l031k6t6tr-etched.glb",+ "model_3d_plain": "stm32l031k6t6tr.glb",+ "model_3d_step": "stm32l031k6t6tr-etched.step",+ "model_3d_step_plain": "stm32l031k6t6tr.step",+ "lbr": "stm32l031k6t6tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2054289",+ "digikey": "497-18806-2-ND",+ "mouser": "511-STM32L031K6T6TR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T01:34:34Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-18806-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32L031K6T6TR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Supply voltage input, operating range 1.65 V to 3.6 V."+ },+ {+ "number": "2",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "Standard 3.3 V I/O; functions as 32 kHz oscillator input for the RTC."+ },+ {+ "number": "3",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "Standard 3.3 V I/O; functions as 32 kHz oscillator output for the RTC."+ },+ {+ "number": "4",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional reset input pin with embedded weak pull-up resistor, active low."+ },+ {+ "number": "5",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply input, operating range 1.65 V to 3.6 V; requires decoupling capacitor."+ },+ {+ "number": "6",+ "name": "PA0-CK_IN",+ "type": "bidirectional",+ "description": "General-purpose I/O, standard 3.3 V, selectable as external clock input; supports Timer, USART, comparator alternates and ADC, RTC tamper/wakeup functions."+ },+ {+ "number": "7",+ "name": "PA1",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with ADC input; supports timer, USART, I2C, comparator alternate functions."+ },+ {+ "number": "8",+ "name": "PA2",+ "type": "bidirectional",+ "description": "Standard 3.3 V general-purpose I/O with ADC input; supports timer, USART, LPUART, comparator alternate functions."+ },+ {+ "number": "9",+ "name": "PA3",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with ADC input; supports timer and USART/LPUART alternate functions."+ },+ {+ "number": "10",+ "name": "PA4",+ "type": "bidirectional",+ "description": "Standard 3.3 V general-purpose I/O with ADC input; supports SPI chip select, LPTIM, USART clock, timer alternate functions."+ },+ {+ "number": "11",+ "name": "PA5",+ "type": "bidirectional",+ "description": "Standard 3.3 V general-purpose I/O with ADC input; supports SPI clock and timer alternate functions."+ },+ {+ "number": "12",+ "name": "PA6",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with ADC input; supports SPI MISO, LPTIM, LPUART CTS, timer, and comparator alternate functions."+ },+ {+ "number": "13",+ "name": "PA7",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with ADC input; supports SPI MOSI, LPTIM, USART CTS, timer, and comparator alternate functions."+ },+ {+ "number": "14",+ "name": "PB0",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with ADC input; supports SPI MISO, USART RTS, timer alternates; outputs voltage reference."+ },+ {+ "number": "15",+ "name": "PB1",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with ADC input; supports USART clock, SPI MOSI, LPUART RTS, timer alternates; outputs voltage reference."+ },+ {+ "number": "16",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground supply pin."+ },+ {+ "number": "17",+ "name": "VDD",+ "type": "power_in",+ "description": "Supply voltage input, operating range 1.65 V to 3.6 V."+ },+ {+ "number": "18",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O; supports master clock output, LPTIM input, event output, USART clock, and timer alternate functions."+ },+ {+ "number": "19",+ "name": "PA9",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with FM+ I2C capability (up to 1 Mbit/s); supports MCO, I2C1 clock, USART TX, and timer alternate functions."+ },+ {+ "number": "20",+ "name": "PA10",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with FM+ I2C capability (up to 1 Mbit/s); supports I2C1 data, USART RX, and timer alternate functions."+ },+ {+ "number": "21",+ "name": "PA11",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O; supports SPI MISO, USART CTS, timer, event output, and comparator alternate functions."+ },+ {+ "number": "22",+ "name": "PA12",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O; supports SPI MOSI, USART RTS, event output, and comparator alternate functions."+ },+ {+ "number": "23",+ "name": "PA13",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O dedicated to SWDIO debug interface; also supports LPTIM and LPUART alternate functions."+ },+ {+ "number": "24",+ "name": "PA14",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O dedicated to SWCLK debug interface; also supports LPTIM, I2C1 SMBus alert, USART TX, and LPUART alternate functions."+ },+ {+ "number": "25",+ "name": "PA15",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O; supports SPI chip select, timer, USART RX, and event output alternate functions."+ },+ {+ "number": "26",+ "name": "PB3",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O; supports SPI clock, timer, event output alternates and comparator inverting input function."+ },+ {+ "number": "27",+ "name": "PB4",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O; supports SPI MISO, timer, event output alternates and comparator non-inverting input function."+ },+ {+ "number": "28",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O; supports SPI MOSI, LPTIM input, I2C1 SMBus alert, timer alternates and comparator input function."+ },+ {+ "number": "29",+ "name": "PB6",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with FM+ I2C capability (up to 1 Mbit/s); supports USART TX, I2C1 clock, LPTIM, timer alternates and comparator input."+ },+ {+ "number": "30",+ "name": "PB7",+ "type": "bidirectional",+ "description": "5V-tolerant general-purpose I/O with FM+ I2C capability (up to 1 Mbit/s); supports USART RX, I2C1 data, LPTIM alternates; provides voltage reference and comparator inputs."+ },+ {+ "number": "31",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated boot mode selection input; must be held low during reset to execute code from Flash memory."+ },+ {+ "number": "32",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground supply 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: NRST pin structure: Table 15 shows I/O structure as '-' but Table 14 defines RST as a pin I/O struct; PA0 naming variance: Listed as 'PA0-CK_IN' in LQFP32 package but as 'PA0' in LQFP48/UFQFPN48 package; PC13-ANTI_TAMP entry in Table 15 shows unclear package assignment ('-- - ---22'); verify this pin is"+ ],+ "pages_sent": 59,+ "cost_usd": 0.453,+ "at": "2026-10-01T01:34:11"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588942007767347200",+ "pages": 126,+ "sha256": "9726c48418e03f62",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}