component
STM32L433CCU6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "stm32l433ccu6",
"title": "STM32L433CCU6",
"brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-48(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",
"stm32l433ccu6",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STM32L433CCU6",
"manufacturer": "STMicroelectronics",
"package": "UFQFPN-48(7x7)",
"pin_count": 49,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904785596854272",
"parts": {
"symbol": "stm32l433ccu6.kicad_sym",
"footprint": "stm32l433ccu6.kicad_mod",
"model_3d": "stm32l433ccu6-hero.glb",
"model_3d_plain": "stm32l433ccu6.glb",
"model_3d_step": "stm32l433ccu6-etched.step",
"model_3d_step_plain": "stm32l433ccu6.step",
"lbr": "stm32l433ccu6.lbr"
},
"distributor_links": {
"lcsc": 1341450,
"digikey": "497-16580-ND",
"mouser": "511-STM32L433CCU6"
},
"distributor_check": {
"checked_at": "2026-10-03T00:53:39Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-16580-ND",
"status": "found"
},
"mouser": {
"pn": "511-STM32L433CCU6",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VBAT",
"type": "power_in",
"description": "Backup domain supply voltage for RTC and 32×32-bit backup registers, 1.55 V to 3.6 V."
},
{
"number": "2",
"name": "PC13",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance, RTC tamper/timestamp/output/wakeup function support."
},
{
"number": "3",
"name": "PC14-OSC32_IN",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance, configurable as 32 kHz oscillator input."
},
{
"number": "4",
"name": "PC15-OSC32_OUT",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance, configurable as 32 kHz oscillator output."
},
{
"number": "5",
"name": "PH0-OSC_IN",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance, configurable as main crystal oscillator input."
},
{
"number": "6",
"name": "PH1-OSC_OUT",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance, configurable as main crystal oscillator output."
},
{
"number": "7",
"name": "NRST",
"type": "input",
"description": "Active-low reset pin with internal weak pull-up resistor and Schmitt trigger comparator."
},
{
"number": "8",
"name": "VSSA/VREF-",
"type": "power_in",
"description": "Ground return and negative reference voltage for analog peripherals, 0 V reference."
},
{
"number": "9",
"name": "VDDA/VREF+",
"type": "power_in",
"description": "Analog supply voltage and positive reference for ADC, 2.0 V to VDDA when ADC used."
},
{
"number": "10",
"name": "PA0",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance on analog functions, ADC1_IN5 input, supports TIM2/COMP/SAI alternate functions."
},
{
"number": "11",
"name": "PA1",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance and LCD function, ADC1_IN6 input, supports TIM2/I2C1/SPI1/USART2 alternate functions."
},
{
"number": "12",
"name": "PA2",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance and LCD function, ADC1_IN7 input, supports TIM2/USART2/LPUART1/QUADSPI alternate functions."
},
{
"number": "13",
"name": "PA3",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance on analog functions and LCD, ADC1_IN8 input, supports TIM2/USART2/LPUART1/QUADSPI alternate functions."
},
{
"number": "14",
"name": "PA4",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance on analog functions, ADC1_IN9 and DAC1_OUT1, supports SPI1/USART2/SAI alternate functions."
},
{
"number": "15",
"name": "PA5",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance on analog functions, ADC1_IN10 and DAC1_OUT2, supports TIM2/SPI1/LPTIM2 alternate functions."
},
{
"number": "16",
"name": "PA6",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance and LCD function, ADC1_IN11 input, supports TIM1/SPI1/USART3/LPUART1/QUADSPI alternate functions."
},
{
"number": "17",
"name": "PA7",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance on analog functions and LCD, ADC1_IN12 input, supports TIM1/I2C3/SPI1/QUADSPI alternate functions."
},
{
"number": "18",
"name": "PB0",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance and LCD function, ADC1_IN15 input, supports TIM1/SPI1/USART3/QUADSPI/SAI alternate functions."
},
{
"number": "19",
"name": "PB1",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance and LCD function, ADC1_IN16 input, supports TIM1/USART3/LPUART1/QUADSPI alternate functions."
},
{
"number": "20",
"name": "PB2",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance on analog functions, supports RTC/LPTIM1/I2C3/LCD alternate functions."
},
{
"number": "21",
"name": "PB10",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports TIM2/I2C2/SPI2/USART3/LPUART1/QUADSPI/SAI alternate functions."
},
{
"number": "22",
"name": "PB11",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports TIM2/I2C2/USART3/LPUART1/QUADSPI alternate functions."
},
{
"number": "23",
"name": "VSS",
"type": "power_in",
"description": "Ground return for I/O banks."
},
{
"number": "24",
"name": "VDD",
"type": "power_in",
"description": "Main supply voltage for core and I/O logic, 1.71 V to 3.6 V."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports TIM1/I2C2/SPI2/USART3/LPUART1/TSC/SWPMI/SAI alternate functions."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports TIM1/I2C2/SPI2/USART3/LPUART1/TSC/SWPMI/SAI alternate functions."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports TIM1/I2C2/SPI2/USART3/TSC/SWPMI/SAI alternate functions."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports RTC/TIM1/SPI2/TSC/SWPMI/SAI alternate functions."
},
{
"number": "29",
"name": "PA8",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports MCO/TIM1/USART1/SWPMI/SAI/LPTIM2 alternate functions."
},
{
"number": "30",
"name": "PA9",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports TIM1/I2C1/USART1/SAI/TIM15 alternate functions."
},
{
"number": "31",
"name": "PA10",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports TIM1/I2C1/USART1/USB/SAI alternate functions."
},
{
"number": "32",
"name": "PA11",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance on USB pin, supports TIM1/SPI1/USART1/CAN1/USB_DM/COMP alternate functions."
},
{
"number": "33",
"name": "PA12",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance on USB pin, supports TIM1/SPI1/USART1/CAN1/USB_DP alternate functions."
},
{
"number": "34",
"name": "PA13",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance, JTAG TMS/SWDIO debug interface pin with internal pull-up resistor."
},
{
"number": "35",
"name": "VSS",
"type": "power_in",
"description": "Ground return for I/O banks."
},
{
"number": "36",
"name": "VDDUSB",
"type": "power_in",
"description": "USB supply voltage (3.0 V to 3.6 V when USB used, 0 V to 3.6 V when USB not used)."
},
{
"number": "37",
"name": "PA14",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance, JTAG TCK/SWCLK debug interface pin with internal pull-down resistor."
},
{
"number": "38",
"name": "PA15",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, JTAG TDI debug pin with internal pull-up resistor."
},
{
"number": "39",
"name": "PB3",
"type": "bidirectional",
"description": "General-purpose I/O with 3.6 V tolerance on analog functions and LCD, JTAG TDO/TRACESWO debug pin, supports TIM2/SPI1/USART1/TSC/SAI alternate functions."
},
{
"number": "40",
"name": "PB4",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance on analog functions and LCD, JTAG NTRST debug pin with pull-up, supports I2C3/SPI1/SPI3/USART1/TSC/SAI alternate functions."
},
{
"number": "41",
"name": "PB5",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports LPTIM1/I2C1/SPI1/SPI3/USART1/TSC/COMP/SAI/TIM16 alternate functions."
},
{
"number": "42",
"name": "PB6",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance on analog functions, supports LPTIM1/I2C1/USART1/TSC/SAI/TIM16 alternate functions."
},
{
"number": "43",
"name": "PB7",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance on analog functions, supports LPTIM1/I2C1/USART1/TSC/LCD/COMP/PVD alternate functions."
},
{
"number": "44",
"name": "PH3-BOOT0",
"type": "bidirectional",
"description": "Boot configuration pin to select execution from FLASH, system memory, or SRAM at power-up."
},
{
"number": "45",
"name": "PB8",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports I2C1/CAN1/SDMMC1/SAI/TIM16 alternate functions."
},
{
"number": "46",
"name": "PB9",
"type": "bidirectional",
"description": "General-purpose I/O with 5 V tolerance and LCD function, supports IR/I2C1/SPI2/CAN1/SDMMC1/SAI alternate functions."
},
{
"number": "47",
"name": "VSS",
"type": "power_in",
"description": "Ground return for I/O and analog blocks."
},
{
"number": "48",
"name": "VDD",
"type": "power_in",
"description": "Main supply voltage for core and I/O logic, 1.71 V to 3.6 V."
},
{
"number": "49",
"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: PC14 and PC15 are supplied through power switch with 3 mA sink limit; GPIO use in output mode limite; PA13, PA14, PB4, PA15 are JTAG/SWD debug pins with configured alternate functions and pull resistors; PA4 and PA5 support negative current injection with limits per Table 20; RAIN maximum values specifi",
"exposed pad 49 added from the footprint"
],
"pages_sent": 86,
"cost_usd": 0.5301,
"at": "2026-10-03T00:53:15"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904785596854272",
"pages": 227,
"sha256": "471e1cceea40b1fa",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "UFQFPN-48(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "49"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stm32l433ccu6"
],
"discovery_pitch": "STM32L433CCU6 (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",
"stm32l433ccu6.kicad_sym",
"stm32l433ccu6.kicad_mod",
"stm32l433ccu6.glb",
"stm32l433ccu6.step",
"stm32l433ccu6.lbr",
"docs/hero.png",
"docs/stm32l433ccu6-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"stm32l433ccu6-hero.glb",
"stm32l433ccu6-hero.overlay.json"
],
"visibility": {
"public": true
}
}