component
STM32L071KBU6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-32(5x5). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "stm32l071kbu6",
"title": "STM32L071KBU6",
"brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-32(5x5). 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",
"stm32l071kbu6",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STM32L071KBU6",
"manufacturer": "STMicroelectronics",
"package": "UFQFPN-32(5x5)",
"pin_count": 33,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886724563120128",
"parts": {
"symbol": "stm32l071kbu6.kicad_sym",
"footprint": "stm32l071kbu6.kicad_mod",
"model_3d": "stm32l071kbu6-etched.glb",
"model_3d_plain": "stm32l071kbu6.glb",
"model_3d_step": "stm32l071kbu6-etched.step",
"model_3d_step_plain": "stm32l071kbu6.step",
"lbr": "stm32l071kbu6.lbr"
},
"distributor_links": {
"lcsc": "C911078",
"digikey": "497-17499-ND",
"mouser": "511-STM32L071KBU6"
},
"distributor_check": {
"checked_at": "2026-10-01T18:14:29Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-17499-ND",
"status": "found"
},
"mouser": {
"pn": "511-STM32L071KBU6",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PC14-OSC32_IN",
"type": "bidirectional",
"description": "PC14 I/O (FT, 5 V tolerant) whose additional function is OSC32_IN, the 32 kHz LSE oscillator input."
},
{
"number": "2",
"name": "PC15-OSC32_OUT",
"type": "bidirectional",
"description": "PC15 I/O (TC, standard 3.3 V) whose additional function is OSC32_OUT, the 32 kHz LSE oscillator output."
},
{
"number": "3",
"name": "NRST",
"type": "bidirectional",
"description": "Bidirectional reset pin with embedded weak pull-up resistor."
},
{
"number": "4",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground supply pin."
},
{
"number": "5",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply pin (minimum 1.65 V per the general operating conditions revision note)."
},
{
"number": "6",
"name": "PA0",
"type": "bidirectional",
"description": "PA0 I/O (TT_a) with TIM2_CH1, USART2_CTS, TIM2_ETR, USART4_TX and COMP1_OUT alternate functions, plus COMP1_INM, ADC_IN0 and RTC_TAMP2/WKUP1 additional functions."
},
{
"number": "7",
"name": "PA1",
"type": "bidirectional",
"description": "PA1 I/O (FT) with EVENTOUT, TIM2_CH2, USART2_RTS/DE, TIM21_ETR and USART4_RX alternate functions, plus COMP1_INP and ADC_IN1 additional functions."
},
{
"number": "8",
"name": "PA2",
"type": "bidirectional",
"description": "PA2 I/O (FT) with TIM21_CH1, TIM2_CH3, USART2_TX, LPUART1_TX and COMP2_OUT alternate functions, plus COMP2_INM and ADC_IN2 additional functions."
},
{
"number": "9",
"name": "PA3",
"type": "bidirectional",
"description": "PA3 I/O (FT) with TIM21_CH2, TIM2_CH4, USART2_RX and LPUART1_RX alternate functions, plus COMP2_INP and ADC_IN3 additional functions."
},
{
"number": "10",
"name": "PA4",
"type": "bidirectional",
"description": "PA4 I/O (TC) with SPI1_NSS, USART2_CK and TIM22_ETR alternate functions, plus COMP1_INM, COMP2_INM and ADC_IN4 additional functions."
},
{
"number": "11",
"name": "PA5",
"type": "bidirectional",
"description": "PA5 I/O (TC) with SPI1_SCK, TIM2_ETR and TIM2_CH1 alternate functions, plus COMP1_INM, COMP2_INM and ADC_IN5 additional functions."
},
{
"number": "12",
"name": "PA6",
"type": "bidirectional",
"description": "PA6 I/O (FT) with SPI1_MISO, TIM3_CH1, LPUART1_CTS, TIM22_CH1, EVENTOUT and COMP1_OUT alternate functions, plus ADC_IN6."
},
{
"number": "13",
"name": "PA7",
"type": "bidirectional",
"description": "PA7 I/O (FT) with SPI1_MOSI, TIM3_CH2, TIM22_CH2, EVENTOUT and COMP2_OUT alternate functions, plus ADC_IN7."
},
{
"number": "14",
"name": "PB0",
"type": "bidirectional",
"description": "PB0 I/O (FT) with EVENTOUT and TIM3_CH3 alternate functions, plus ADC_IN8 and VREF_OUT additional functions."
},
{
"number": "15",
"name": "PB1",
"type": "bidirectional",
"description": "PB1 I/O (FT) with TIM3_CH4 and LPUART1_RTS/LPUART1_DE alternate functions, plus ADC_IN9 and VREF_OUT additional functions."
},
{
"number": "16",
"name": "VSS",
"type": "power_in",
"description": "Digital ground supply pin."
},
{
"number": "17",
"name": "VDD",
"type": "power_in",
"description": "Digital supply pin (1.65 V to 3.6 V device supply range)."
},
{
"number": "18",
"name": "PA8",
"type": "bidirectional",
"description": "PA8 I/O (FTf, 5 V tolerant, Fast Mode Plus capable) with MCO, EVENTOUT, USART1_CK and I2C3_SCL alternate functions."
},
{
"number": "19",
"name": "PA9",
"type": "bidirectional",
"description": "PA9 I/O (FTf, 5 V tolerant, Fast Mode Plus capable) with MCO, USART1_TX, I2C1_SCL and I2C3_SMBA alternate functions."
},
{
"number": "20",
"name": "PA10",
"type": "bidirectional",
"description": "PA10 I/O (FTf, 5 V tolerant, Fast Mode Plus capable) with USART1_RX and I2C1_SDA alternate functions."
},
{
"number": "21",
"name": "PA11",
"type": "bidirectional",
"description": "PA11 I/O (FT), supplied by VDDIO2, with SPI1_MISO, EVENTOUT, USART1_CTS and COMP1_OUT alternate functions."
},
{
"number": "22",
"name": "PA12",
"type": "bidirectional",
"description": "PA12 I/O (FT), supplied by VDDIO2, with SPI1_MOSI, EVENTOUT, USART1_RTS/USART1_DE and COMP2_OUT alternate functions."
},
{
"number": "23",
"name": "PA13",
"type": "bidirectional",
"description": "PA13 I/O (FT) with SWDIO (serial wire debug data) and LPUART1_RX alternate functions."
},
{
"number": "24",
"name": "VDDIO2",
"type": "power_in",
"description": "Separate supply pin for the PA11 and PA12 I/Os."
},
{
"number": "25",
"name": "PA14",
"type": "bidirectional",
"description": "PA14 I/O (FT) with SWCLK (serial wire debug clock), USART2_TX and LPUART1_TX alternate functions."
},
{
"number": "26",
"name": "PB4",
"type": "bidirectional",
"description": "PB4 I/O (FTf, 5 V tolerant, Fast Mode Plus capable) with SPI1_MISO, TIM3_CH1, TIM22_CH1, USART1_CTS, USART5_RX and I2C3_SDA alternate functions, plus COMP2_INP."
},
{
"number": "27",
"name": "PB5",
"type": "bidirectional",
"description": "PB5 I/O (FT) with SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, TIM3_CH2/TIM22_CH2, USART1_CK, USART5_CK and USART5_RTS/DE alternate functions, plus COMP2_INP."
},
{
"number": "28",
"name": "PB6",
"type": "bidirectional",
"description": "PB6 I/O (FTf, 5 V tolerant, Fast Mode Plus capable) with USART1_TX, I2C1_SCL and LPTIM1_ETR alternate functions, plus COMP2_INP."
},
{
"number": "29",
"name": "PB7",
"type": "bidirectional",
"description": "PB7 I/O (FTf, 5 V tolerant, Fast Mode Plus capable) with USART1_RX, I2C1_SDA, LPTIM1_IN2 and USART4_CTS alternate functions, plus COMP2_INP and VREF_PVD_IN."
},
{
"number": "30",
"name": "BOOT0",
"type": "input",
"description": "Dedicated boot mode selection input pin."
},
{
"number": "31",
"name": "VSS",
"type": "power_in",
"description": "Digital ground supply pin."
},
{
"number": "32",
"name": "VDD",
"type": "power_in",
"description": "Digital supply pin (1.65 V to 3.6 V device supply range)."
},
{
"number": "33",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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: PA11 and PA12 are powered by separate VDDIO2 supply (pin 24) rather than main VDD; pins include alte; STM32L071KBU6 is specified for 'xB' variant (128 KB Flash); verification that all port E pins are no"
],
"pages_sent": 74,
"cost_usd": 0.4898,
"at": "2026-10-01T18:14:12"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886724563120128",
"pages": 148,
"sha256": "f413c7ce36b98e6c",
"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"
}
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "UFQFPN-32(5x5)",
"Category": "Embedded Processors & Controllers",
"Pins": "33"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stm32l071kbu6"
],
"discovery_pitch": "STM32L071KBU6 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"stm32l071kbu6.kicad_sym",
"stm32l071kbu6.kicad_mod",
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"stm32l071kbu6.step",
"stm32l071kbu6.lbr",
"docs/hero.png",
"docs/stm32l071kbu6-datasheet.pdf",
"viewers/symbol.html",
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"visibility": {
"public": true
}
}