component
STM32L051K8T7
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": "stm32l051k8t7",
"title": "STM32L051K8T7",
"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": [
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"embedded processors & controllers",
"stm32l051k8t7",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STM32L051K8T7",
"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/8588922103155974144",
"parts": {
"symbol": "stm32l051k8t7.kicad_sym",
"footprint": "stm32l051k8t7.kicad_mod",
"model_3d": "stm32l051k8t7-hero.glb",
"model_3d_plain": "stm32l051k8t7.glb",
"model_3d_step": "stm32l051k8t7-etched.step",
"model_3d_step_plain": "stm32l051k8t7.step",
"lbr": "stm32l051k8t7.lbr"
},
"distributor_links": {
"lcsc": "C1341080",
"digikey": "497-STM32L051K8T7-ND",
"mouser": "511-STM32L051K8T7"
},
"distributor_check": {
"checked_at": "2026-10-08T04:51:47Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-STM32L051K8T7-ND",
"status": "found"
},
"mouser": {
"pn": "511-STM32L051K8T7",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Digital supply pin; the features list gives a 1.65 V to 3.6 V power supply, with all voltages referenced to VSS."
},
{
"number": "2",
"name": "PC14-OSC32_IN",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with additional function OSC32_IN for the 32 kHz oscillator; all I/Os are floating inputs during and after reset unless a note states otherwise."
},
{
"number": "3",
"name": "PC15-OSC32_OUT (PC15)",
"type": "bidirectional",
"description": "Standard 3.3 V I/O (TC) with additional function OSC32_OUT for the 32 kHz oscillator."
},
{
"number": "4",
"name": "NRST",
"type": "bidirectional",
"description": "Bidirectional reset pin with embedded weak pull-up resistor (RST I/O structure)."
},
{
"number": "5",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply pin for the analog peripherals, with all voltages referenced to VSS."
},
{
"number": "6",
"name": "PA0",
"type": "bidirectional",
"description": "Standard 3.3 V I/O (TC) with alternate functions TIM2_CH1, USART2_CTS, TIM2_ETR and COMP1_OUT, and additional functions COMP1_INM6, ADC_IN0 and RTC_TAMP2/WKUP1."
},
{
"number": "7",
"name": "PA1",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions EVENTOUT, TIM2_CH2, USART2_RTS/USART2_DE and TIM21_ETR, and additional functions COMP1_INP and ADC_IN1."
},
{
"number": "8",
"name": "PA2",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions TIM21_CH1, TIM2_CH3, USART2_TX and COMP2_OUT, and additional functions COMP2_INM6 and ADC_IN2."
},
{
"number": "9",
"name": "PA3",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions TIM21_CH2, TIM2_CH4 and USART2_RX, and additional functions COMP2_INP and ADC_IN3."
},
{
"number": "10",
"name": "PA4",
"type": "bidirectional",
"description": "Standard 3.3 V I/O (TC) with alternate functions SPI1_NSS, USART2_CK and TIM22_ETR, and additional functions COMP1_INM4, COMP2_INM4 and ADC_IN4."
},
{
"number": "11",
"name": "PA5",
"type": "bidirectional",
"description": "Standard 3.3 V I/O (TC) with alternate functions SPI1_SCK, TIM2_ETR and TIM2_CH1, and additional functions COMP1_INM5, COMP2_INM5 and ADC_IN5."
},
{
"number": "12",
"name": "PA6",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, LPUART1_CTS, TIM22_CH1, EVENTOUT and COMP1_OUT, and additional function ADC_IN6."
},
{
"number": "13",
"name": "PA7",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, TIM22_CH2, EVENTOUT and COMP2_OUT, and additional function ADC_IN7."
},
{
"number": "14",
"name": "PB0",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate function EVENTOUT, and additional functions ADC_IN8 and VREF_OUT."
},
{
"number": "15",
"name": "PB1",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate function LPUART1_RTS/LPUART1_DE, and additional functions ADC_IN9 and VREF_OUT."
},
{
"number": "16",
"name": "VSS",
"type": "power_in",
"description": "Ground pin; all voltages are referenced to VSS."
},
{
"number": "17",
"name": "VDD",
"type": "power_in",
"description": "Digital supply pin; the features list gives a 1.65 V to 3.6 V power supply, with all voltages referenced to VSS."
},
{
"number": "18",
"name": "PA8",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions MCO, EVENTOUT and USART1_CK."
},
{
"number": "19",
"name": "PA9",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions MCO and USART1_TX."
},
{
"number": "20",
"name": "PA10",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate function USART1_RX."
},
{
"number": "21",
"name": "PA11",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, EVENTOUT, USART1_CTS and COMP1_OUT."
},
{
"number": "22",
"name": "PA12",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, EVENTOUT, USART1_RTS/USART1_DE and COMP2_OUT."
},
{
"number": "23",
"name": "PA13",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate function SWDIO (serial wire debug data)."
},
{
"number": "24",
"name": "PA14",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SWCLK (serial wire debug clock) and USART2_TX."
},
{
"number": "25",
"name": "PA15",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX and TIM2_CH1."
},
{
"number": "26",
"name": "PB3",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SPI1_SCK, TIM2_CH2 and EVENTOUT, and additional function COMP2_INN."
},
{
"number": "27",
"name": "PB4",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, EVENTOUT and TIM22_CH1, and additional function COMP2_INP."
},
{
"number": "28",
"name": "PB5",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA and TIM22_CH2, and additional function COMP2_INP."
},
{
"number": "29",
"name": "PB6",
"type": "bidirectional",
"description": "5 V tolerant, FM+ capable (FTf) I/O with alternate functions USART1_TX, I2C1_SCL and LPTIM1_ETR, and additional function COMP2_INP."
},
{
"number": "30",
"name": "PB7",
"type": "bidirectional",
"description": "5 V tolerant, FM+ capable (FTf) I/O with alternate functions USART1_RX, I2C1_SDA and LPTIM1_IN2, and additional functions COMP2_INP and PVD_IN."
},
{
"number": "31",
"name": "BOOT0",
"type": "input",
"description": "Dedicated BOOT0 pin used for boot mode selection."
},
{
"number": "32",
"name": "VSS",
"type": "power_in",
"description": "Ground pin; all voltages are referenced to VSS."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin 3 (PC15-OSC32_OUT) is listed as I/O structure TC in Table 15, but the revision history (rev 5) s; Pin 31 (BOOT0) is given only as pin type 'B' (dedicated BOOT0 pin) in Table 15. It is typed here as ; Table 15 note 1: PB9/12/13/14/15, PH0/1 and PC13 are not bonded on LQFP32 but should be configured a"
],
"pages_sent": 59,
"cost_usd": 0.2525,
"at": "2026-10-08T04:51:27"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922103155974144",
"pages": 133,
"sha256": "232fdca5c41218a1",
"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": [
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"file": "stm32l051k8t7.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": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "stm32l051k8t7-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": "cfd54fc90c80d8d2bf9576ec1c378a48b44612b03e1aee2363ae231fba30bbb7",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "LQFP-32(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "32"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stm32l051k8t7"
],
"discovery_pitch": "STM32L051K8T7 (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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"stm32l051k8t7.lbr",
"docs/hero.png",
"docs/stm32l051k8t7-datasheet.pdf",
"viewers/symbol.html",
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}
}