component
STM32F103C6T6ATR
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-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": "stm32f103c6t6atr",
"title": "STM32F103C6T6ATR",
"brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-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",
"stm32f103c6t6atr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STM32F103C6T6ATR",
"manufacturer": "STMicroelectronics",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919865491406848",
"parts": {
"symbol": "stm32f103c6t6atr.kicad_sym",
"footprint": "stm32f103c6t6atr.kicad_mod",
"model_3d": "stm32f103c6t6atr-hero.glb",
"model_3d_plain": "stm32f103c6t6atr.glb",
"model_3d_step": "stm32f103c6t6atr-etched.step",
"model_3d_step_plain": "stm32f103c6t6atr.step",
"lbr": "stm32f103c6t6atr.lbr"
},
"distributor_links": {
"lcsc": 2053946,
"digikey": "497-18992-2-ND",
"mouser": "511-STM32F103C6T6ATR"
},
"distributor_check": {
"checked_at": "2026-10-03T05:48:30Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-18992-2-ND",
"status": "found"
},
"mouser": {
"pn": "511-STM32F103C6T6ATR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VBAT",
"type": "power_in",
"description": "Battery supply pin, operating voltage range 2.0 to 3.6 V for RTC and backup register supply."
},
{
"number": "2",
"name": "PC13",
"type": "bidirectional",
"description": "Port C bit 13 with TAMPER-RTC alternate function; output limited to 2 MHz with 30 pF load maximum, cannot source current (footnote 5)."
},
{
"number": "3",
"name": "PC14",
"type": "bidirectional",
"description": "Port C bit 14, 32 kHz oscillator input main function; output speed limited to 2 MHz with 30 pF load maximum (footnote 5)."
},
{
"number": "4",
"name": "PC15",
"type": "bidirectional",
"description": "Port C bit 15, 32 kHz oscillator output main function; output speed limited to 2 MHz with 30 pF load maximum (footnote 5)."
},
{
"number": "5",
"name": "OSC_IN",
"type": "input",
"description": "Main oscillator input for 4 to 16 MHz external crystal; remappable to PD0 GPIO (footnote 7)."
},
{
"number": "6",
"name": "OSC_OUT",
"type": "output",
"description": "Main oscillator output for external crystal resonator feedback; remappable to PD1 GPIO (footnote 7)."
},
{
"number": "7",
"name": "NRST",
"type": "input",
"description": "Active-low reset input pin, accepts voltages from 0 V to VDD with internal pull-up."
},
{
"number": "8",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground reference pin for ADC supply."
},
{
"number": "9",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply voltage pin, operating range 2.0 to 3.6 V for ADC and temperature sensor."
},
{
"number": "10",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0 / wakeup pin; supports ADC12_IN0, USART2_CTS, TIM2_CH1_ETR alternate functions."
},
{
"number": "11",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1; supports ADC12_IN1, USART2_RTS, TIM2_CH2 alternate functions."
},
{
"number": "12",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2; supports ADC12_IN2, USART2_TX, TIM2_CH3 alternate functions."
},
{
"number": "13",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3; supports ADC12_IN3, USART2_RX, TIM2_CH4 alternate functions."
},
{
"number": "14",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4; supports ADC12_IN4, SPI1_NSS, USART2_CK alternate functions."
},
{
"number": "15",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5; supports ADC12_IN5, SPI1_SCK alternate functions."
},
{
"number": "16",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6; supports ADC12_IN6, SPI1_MISO, TIM3_CH1 functions; remappable to TIM1_BKIN (footnote 9)."
},
{
"number": "17",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7; supports ADC12_IN7, SPI1_MOSI, TIM3_CH2 functions; remappable to TIM1_CH1N (footnote 9)."
},
{
"number": "18",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0; supports ADC12_IN8, TIM3_CH3 functions; remappable to TIM1_CH2N (footnote 9)."
},
{
"number": "19",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1; supports ADC12_IN9, TIM3_CH4 functions; remappable to TIM1_CH3N (footnote 9)."
},
{
"number": "20",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 / BOOT1 boot select pin; 5 V tolerant I/O."
},
{
"number": "21",
"name": "PB10",
"type": "bidirectional",
"description": "Port B bit 10, 5 V tolerant; remappable to TIM2_CH3 alternate function."
},
{
"number": "22",
"name": "PB11",
"type": "bidirectional",
"description": "Port B bit 11, 5 V tolerant; remappable to TIM2_CH4 alternate function."
},
{
"number": "23",
"name": "VSS_1",
"type": "power_in",
"description": "Ground reference pin for digital supply."
},
{
"number": "24",
"name": "VDD_1",
"type": "power_in",
"description": "Digital supply voltage pin, operating range 2.0 to 3.6 V."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "Port B bit 12, 5 V tolerant; supports TIM1_BKIN alternate function."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "Port B bit 13, 5 V tolerant; supports TIM1_CH1N alternate function."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "Port B bit 14, 5 V tolerant; supports TIM1_CH2N alternate function."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "Port B bit 15, 5 V tolerant; supports TIM1_CH3N alternate function."
},
{
"number": "29",
"name": "PA8",
"type": "bidirectional",
"description": "Port A bit 8, 5 V tolerant; supports USART1_CK, TIM1_CH1, MCO (master clock output) functions."
},
{
"number": "30",
"name": "PA9",
"type": "bidirectional",
"description": "Port A bit 9, 5 V tolerant; supports USART1_TX, TIM1_CH2 alternate functions."
},
{
"number": "31",
"name": "PA10",
"type": "bidirectional",
"description": "Port A bit 10, 5 V tolerant; supports USART1_RX, TIM1_CH3 alternate functions."
},
{
"number": "32",
"name": "PA11",
"type": "bidirectional",
"description": "Port A bit 11, 5 V tolerant; supports USART1_CTS, CAN_RX, TIM1_CH4, USBDM (USB D minus) alternate functions."
},
{
"number": "33",
"name": "PA12",
"type": "bidirectional",
"description": "Port A bit 12, 5 V tolerant; supports USART1_RTS, CAN_TX, TIM1_ETR, USBDP (USB D plus) alternate functions."
},
{
"number": "34",
"name": "PA13",
"type": "bidirectional",
"description": "Port A bit 13 / JTMS-SWDIO, 5 V tolerant; JTAG test mode select or SWD data I/O debug interface pin."
},
{
"number": "35",
"name": "VSS_2",
"type": "power_in",
"description": "Ground reference pin for digital supply."
},
{
"number": "36",
"name": "VDD_2",
"type": "power_in",
"description": "Digital supply voltage pin, operating range 2.0 to 3.6 V."
},
{
"number": "37",
"name": "PA14",
"type": "bidirectional",
"description": "Port A bit 14 / JTCK-SWCLK, 5 V tolerant; JTAG test clock or SWD clock debug interface pin."
},
{
"number": "38",
"name": "PA15",
"type": "bidirectional",
"description": "Port A bit 15 / JTDI, 5 V tolerant; JTAG test data input debug interface; remappable to TIM2_CH1_ETR, SPI1_NSS (footnote 9)."
},
{
"number": "39",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 / JTDO, 5 V tolerant; JTAG test data output debug interface; remappable to TIM2_CH2, TRACESWO (footnote 9)."
},
{
"number": "40",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 / NJTRST, 5 V tolerant; JTAG test reset debug interface; remappable to TIM3_CH1, SPI1_MISO (footnote 9)."
},
{
"number": "41",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5; supports I2C1_SMBA alternate function; remappable to TIM3_CH2, SPI1_MOSI (footnote 9)."
},
{
"number": "42",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6, 5 V tolerant; I2C1_SCL main function; supports USART1_TX alternate function."
},
{
"number": "43",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7, 5 V tolerant; I2C1_SDA main function; supports USART1_RX alternate function."
},
{
"number": "44",
"name": "BOOT0",
"type": "input",
"description": "Boot mode selection input pin; sampled at reset to select boot from Flash memory (low) or system bootloader (high)."
},
{
"number": "45",
"name": "PB8",
"type": "bidirectional",
"description": "Port B bit 8, 5 V tolerant; remappable to I2C1_SCL, CAN_RX alternate functions."
},
{
"number": "46",
"name": "PB9",
"type": "bidirectional",
"description": "Port B bit 9, 5 V tolerant; remappable to I2C1_SDA, CAN_TX alternate functions."
},
{
"number": "47",
"name": "VSS_3",
"type": "power_in",
"description": "Ground reference pin for digital supply."
},
{
"number": "48",
"name": "VDD_3",
"type": "power_in",
"description": "Digital supply voltage pin, operating range 2.0 to 3.6 V."
}
],
"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: PC13, PC14, PC15 powered through power switch with 3 mA current sink limit; output mode severely res; OSC_IN (pin 5) and OSC_OUT (pin 6) can be remapped to PD0 and PD1 GPIO functionality via software; e; PA13, PA14, PA15, PB3, PB4 serve as JTAG/SWD debug interface pins; debug probe connections must be r"
],
"pages_sent": 47,
"cost_usd": 0.3561,
"at": "2026-10-03T05:48:00"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919865491406848",
"pages": 99,
"sha256": "31ab1fe3de6e6cf3",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "LQFP-48(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "48"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stm32f103c6t6atr"
],
"discovery_pitch": "STM32F103C6T6ATR (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",
"stm32f103c6t6atr.kicad_sym",
"stm32f103c6t6atr.kicad_mod",
"stm32f103c6t6atr.glb",
"stm32f103c6t6atr.step",
"stm32f103c6t6atr.lbr",
"docs/hero.png",
"docs/stm32f103c6t6atr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"stm32f103c6t6atr-hero.glb",
"stm32f103c6t6atr-hero.overlay.json"
],
"visibility": {
"public": true
}
}