component
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.
main
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{
"schema_version": 1,
"type": "component",
"slug": "stm32l031k6t6tr",
"title": "STM32L031K6T6TR",
"brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"embedded processors & controllers",
"stm32l031k6t6tr",
"factory-2.0.0",
"extractor-text"
],
"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"
}
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "LQFP-32(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "32"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stm32l031k6t6tr"
],
"discovery_pitch": "STM32L031K6T6TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"files": [
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"README.md",
"stm32l031k6t6tr.kicad_sym",
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"stm32l031k6t6tr.lbr",
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"visibility": {
"public": true
}
}