component
STM32L072KZT6
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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"component": {
"mpn": "STM32L072KZT6",
"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/8603108423949578240",
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"distributor_links": {
"lcsc": "C2970071",
"digikey": "497-19668-ND",
"mouser": "511-STM32L072KZT6"
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"distributor_check": {
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"source": "Component Ocean /api/assign-pns",
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"pn": "497-19668-ND",
"status": "found"
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"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Main power supply pin; the device operates from 1.65 V to 3.6 V."
},
{
"number": "2",
"name": "PC14-OSC32_IN",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also serves as the 32 kHz oscillator input OSC32_IN."
},
{
"number": "3",
"name": "PC15-OSC32_OUT",
"type": "bidirectional",
"description": "Standard 3.3 V (TC) I/O; also serves as the 32 kHz oscillator output OSC32_OUT."
},
{
"number": "4",
"name": "NRST",
"type": "bidirectional",
"description": "Bidirectional reset pin with an embedded weak pull-up resistor."
},
{
"number": "5",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply pin (VDDA)."
},
{
"number": "6",
"name": "PA0",
"type": "bidirectional",
"description": "I/O with structure TT as printed (footnote 'a' is not defined in the datasheet legend); also ADC_IN0, COMP1_INM, and RTC_TAMP2/WKUP1 wakeup."
},
{
"number": "7",
"name": "PA1",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also ADC_IN1, COMP1_INP, TIM2_CH2, and USART2_RTS/USART2_DE."
},
{
"number": "8",
"name": "PA2",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also ADC_IN2, COMP2_INM, USART2_TX, and LPUART1_TX."
},
{
"number": "9",
"name": "PA3",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also ADC_IN3, COMP2_INP, USART2_RX, and LPUART1_RX."
},
{
"number": "10",
"name": "PA4",
"type": "bidirectional",
"description": "Standard 3.3 V (TC) I/O with reduced touch sensitivity, recommended for use as sampling capacitor I/O; also ADC_IN4 and DAC_OUT1."
},
{
"number": "11",
"name": "PA5",
"type": "bidirectional",
"description": "Standard 3.3 V (TC) I/O; also ADC_IN5, DAC_OUT2, and SPI1_SCK."
},
{
"number": "12",
"name": "PA6",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also ADC_IN6, SPI1_MISO, and TIM3_CH1."
},
{
"number": "13",
"name": "PA7",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also ADC_IN7, SPI1_MOSI, and TIM3_CH2."
},
{
"number": "14",
"name": "PB0",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also ADC_IN8, VREF_OUT, and TIM3_CH3."
},
{
"number": "15",
"name": "PB1",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also ADC_IN9, VREF_OUT, and TIM3_CH4."
},
{
"number": "16",
"name": "VSS",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "17",
"name": "VDD",
"type": "power_in",
"description": "Power supply pin; the device operates from 1.65 V to 3.6 V."
},
{
"number": "18",
"name": "PA8",
"type": "bidirectional",
"description": "5 V tolerant, Fast-mode Plus capable (FTf) I/O; also MCO, USB_CRS_SYNC, USART1_CK, and I2C3_SCL."
},
{
"number": "19",
"name": "PA9",
"type": "bidirectional",
"description": "5 V tolerant, Fast-mode Plus capable (FTf) I/O; also MCO, TSC_G4_IO1, USART1_TX, I2C1_SCL, and I2C3_SMBA."
},
{
"number": "20",
"name": "PA10",
"type": "bidirectional",
"description": "5 V tolerant, Fast-mode Plus capable (FTf) I/O; also TSC_G4_IO2, USART1_RX, and I2C1_SDA."
},
{
"number": "21",
"name": "PA11",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O powered by VDD_USB per datasheet note 3; also USB_DM, SPI1_MISO, USART1_CTS, and COMP1_OUT."
},
{
"number": "22",
"name": "PA12",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O powered by VDD_USB per datasheet note 3; also USB_DP, SPI1_MOSI, USART1_RTS/USART1_DE, and COMP2_OUT."
},
{
"number": "23",
"name": "PA13",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also SWDIO, USB_NOE, and LPUART1_RX."
},
{
"number": "24",
"name": "PA14",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also SWCLK, USART2_TX, and LPUART1_TX."
},
{
"number": "25",
"name": "PA15",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also SPI1_NSS, TIM2_ETR, USART2_RX, and USART4_RTS/USART4_DE."
},
{
"number": "26",
"name": "PB3",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also SPI1_SCK, TIM2_CH2, TSC_G5_IO1, and USART1_RTS/USART1_DE."
},
{
"number": "27",
"name": "PB4",
"type": "bidirectional",
"description": "5 V tolerant, Fast-mode Plus capable (FTf) I/O; also SPI1_MISO, TIM3_CH1, TSC_G5_IO2, and I2C3_SDA."
},
{
"number": "28",
"name": "PB5",
"type": "bidirectional",
"description": "5 V tolerant (FT) I/O; also SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, and USART1_CK."
},
{
"number": "29",
"name": "PB6",
"type": "bidirectional",
"description": "5 V tolerant, Fast-mode Plus capable (FTf) I/O; also USART1_TX, I2C1_SCL, LPTIM1_ETR, and TSC_G5_IO3."
},
{
"number": "30",
"name": "PB7",
"type": "bidirectional",
"description": "5 V tolerant, Fast-mode Plus capable (FTf) I/O; also USART1_RX, I2C1_SDA, LPTIM1_IN2, and VREF_PVD_IN."
},
{
"number": "31",
"name": "BOOT0",
"type": "input",
"description": "Dedicated BOOT0 boot-mode selection input pin."
},
{
"number": "32",
"name": "VSS",
"type": "power_in",
"description": "Ground pin."
}
],
"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: PA0 I/O structure is printed as 'TT' with footnote 'a', but the datasheet legend (Table 15) does not; Table 16 footnote 3 says PA11 and PA12 are powered by VDD_USB, but the LQFP32 column of the table li; Table 16 gives no VSSA, VREF+/VREF- or VDD_USB pin for the LQFP32 package, so these are not included"
],
"pages_sent": 80,
"cost_usd": 0.3237,
"at": "2026-10-08T02:17:57"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603108423949578240",
"pages": 160,
"sha256": "13ea53054244ac9d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
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