component
STM32F103VET7TR
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "stm32f103vet7tr",
"title": "STM32F103VET7TR",
"brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). 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",
"stm32f103vet7tr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STM32F103VET7TR",
"manufacturer": "STMicroelectronics",
"package": "LQFP-100(14x14)",
"pin_count": 100,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588901644276797440",
"parts": {
"symbol": "stm32f103vet7tr.kicad_sym",
"footprint": "stm32f103vet7tr.kicad_mod",
"model_3d": "stm32f103vet7tr-hero.glb",
"model_3d_plain": "stm32f103vet7tr.glb",
"model_3d_step": "stm32f103vet7tr-etched.step",
"model_3d_step_plain": "stm32f103vet7tr.step",
"lbr": "stm32f103vet7tr.lbr"
},
"distributor_links": {
"lcsc": "C2055698",
"digikey": "STM32F103VET7TR-ND",
"mouser": "511-STM32F103VET7TR"
},
"distributor_check": {
"checked_at": "2026-10-10T23:53:58Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "STM32F103VET7TR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "511-STM32F103VET7TR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PE2",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function PE2 after reset, alternates TRACECK and FSMC_A23."
},
{
"number": "2",
"name": "PE3",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function PE3 after reset, alternates TRACED0 and FSMC_A19."
},
{
"number": "3",
"name": "PE4",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function PE4 after reset, alternates TRACED1 and FSMC_A20."
},
{
"number": "4",
"name": "PE5",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function PE5 after reset, alternates TRACED2 and FSMC_A21."
},
{
"number": "5",
"name": "PE6",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function PE6 after reset, alternates TRACED3 and FSMC_A22."
},
{
"number": "6",
"name": "VBAT",
"type": "power_in",
"description": "Backup supply pin for the RTC and backup registers (VBAT supply listed in the features)."
},
{
"number": "7",
"name": "PC13-TAMPER-RTC",
"type": "bidirectional",
"description": "Backup-domain I/O (PC13 main function after first backup-domain power-up, alternate TAMPER-RTC) supplied through the power switch, which sinks at most 3 mA, so output speed must not exceed 2 MHz with 30 pF and it must not source current such as driving an LED (notes 5 and 6)."
},
{
"number": "8",
"name": "PC14-OSC32_IN",
"type": "bidirectional",
"description": "Backup-domain I/O (PC14 main function after first backup-domain power-up, alternate OSC32_IN) with the same power-switch limit of 3 mA sink, 2 MHz maximum output speed at 30 pF and no current sourcing (notes 5 and 6)."
},
{
"number": "9",
"name": "PC15-OSC32_OUT",
"type": "bidirectional",
"description": "Backup-domain I/O (PC15 main function after first backup-domain power-up, alternate OSC32_OUT) with the same power-switch limit of 3 mA sink, 2 MHz maximum output speed at 30 pF and no current sourcing (notes 5 and 6)."
},
{
"number": "10",
"name": "VSS_5",
"type": "power_in",
"description": "Ground pin; all voltages in the datasheet are referenced to VSS."
},
{
"number": "11",
"name": "VDD_5",
"type": "power_in",
"description": "Digital supply pin for the 2.0 to 3.6 V application supply and I/Os."
},
{
"number": "12",
"name": "OSC_IN",
"type": "input",
"description": "External oscillator input for the 4 to 16 MHz crystal oscillator."
},
{
"number": "13",
"name": "OSC_OUT",
"type": "output",
"description": "External oscillator output for the 4 to 16 MHz crystal oscillator."
},
{
"number": "14",
"name": "NRST",
"type": "bidirectional",
"description": "Reset pin listed as I/O in Table 5; its characteristics are given in section 5.3.15."
},
{
"number": "15",
"name": "PC0",
"type": "bidirectional",
"description": "Bidirectional I/O (not marked FT in Table 5); default PC0, alternate ADC123_IN10 analog input."
},
{
"number": "16",
"name": "PC1",
"type": "bidirectional",
"description": "Bidirectional I/O (not marked FT in Table 5); default PC1, alternate ADC123_IN11 analog input."
},
{
"number": "17",
"name": "PC2",
"type": "bidirectional",
"description": "Bidirectional I/O (not marked FT in Table 5); default PC2, alternate ADC123_IN12 analog input."
},
{
"number": "18",
"name": "PC3",
"type": "bidirectional",
"description": "Bidirectional I/O (not marked FT in Table 5); default PC3, alternate ADC123_IN13 analog input."
},
{
"number": "19",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground pin; all voltages are referenced to VSS per section 5.1."
},
{
"number": "20",
"name": "VREF-",
"type": "power_in",
"description": "Negative reference voltage for the ADC, specified as 0 V in Table 59."
},
{
"number": "21",
"name": "VREF+",
"type": "power_in",
"description": "Positive reference voltage for the ADC, specified from 2.4 V up to VDDA in Table 59."
},
{
"number": "22",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply pin; Table 59 gives the ADC power supply range as 2.4 to 3.6 V."
},
{
"number": "23",
"name": "PA0-WKUP",
"type": "bidirectional",
"description": "Bidirectional I/O; default PA0-WKUP, alternates include ADC123_IN0, USART2_CTS, TIM2_CH1_ETR and TIM5_CH1/TIM8_ETR."
},
{
"number": "24",
"name": "PA1",
"type": "bidirectional",
"description": "Bidirectional I/O; default PA1, alternates include USART2_RTS, ADC123_IN1, TIM5_CH2 and TIM2_CH2."
},
{
"number": "25",
"name": "PA2",
"type": "bidirectional",
"description": "Bidirectional I/O; default PA2, alternates include USART2_TX, TIM5_CH3, ADC123_IN2 and TIM2_CH3."
},
{
"number": "26",
"name": "PA3",
"type": "bidirectional",
"description": "Bidirectional I/O; default PA3, alternates include USART2_RX, TIM5_CH4, ADC123_IN3 and TIM2_CH4."
},
{
"number": "27",
"name": "VSS_4",
"type": "power_in",
"description": "Ground pin; all voltages in the datasheet are referenced to VSS."
},
{
"number": "28",
"name": "VDD_4",
"type": "power_in",
"description": "Digital supply pin for the 2.0 to 3.6 V application supply and I/Os."
},
{
"number": "29",
"name": "PA4",
"type": "bidirectional",
"description": "Bidirectional I/O; default PA4, alternates include SPI1_NSS, USART2_CK and DAC_OUT1/ADC12_IN4."
},
{
"number": "30",
"name": "PA5",
"type": "bidirectional",
"description": "Bidirectional I/O; default PA5, alternates include SPI1_SCK, DAC_OUT2 and ADC12_IN5."
},
{
"number": "31",
"name": "PA6",
"type": "bidirectional",
"description": "Bidirectional I/O; default PA6, alternates include SPI1_MISO, TIM8_BKIN, ADC12_IN6, TIM3_CH1 and TIM1_BKIN."
},
{
"number": "32",
"name": "PA7",
"type": "bidirectional",
"description": "Bidirectional I/O; default PA7, alternates include SPI1_MOSI, TIM8_CH1N, ADC12_IN7, TIM3_CH2 and TIM1_CH1N."
},
{
"number": "33",
"name": "PC4",
"type": "bidirectional",
"description": "Bidirectional I/O; default PC4, alternate ADC12_IN14 analog input."
},
{
"number": "34",
"name": "PC5",
"type": "bidirectional",
"description": "Bidirectional I/O; default PC5, alternate ADC12_IN15 analog input."
},
{
"number": "35",
"name": "PB0",
"type": "bidirectional",
"description": "Bidirectional I/O; default PB0, alternates include ADC12_IN8, TIM3_CH3, TIM8_CH2N and TIM1_CH2N."
},
{
"number": "36",
"name": "PB1",
"type": "bidirectional",
"description": "Bidirectional I/O; default PB1, alternates include ADC12_IN9, TIM3_CH4, TIM8_CH3N and TIM1_CH3N."
},
{
"number": "37",
"name": "PB2",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function PB2/BOOT1."
},
{
"number": "38",
"name": "PE7",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE7, alternates FSMC_D4 and TIM1_ETR."
},
{
"number": "39",
"name": "PE8",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE8, alternates FSMC_D5 and TIM1_CH1N."
},
{
"number": "40",
"name": "PE9",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE9, alternates FSMC_D6 and TIM1_CH1."
},
{
"number": "41",
"name": "PE10",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE10, alternates FSMC_D7 and TIM1_CH2N."
},
{
"number": "42",
"name": "PE11",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE11, alternates FSMC_D8 and TIM1_CH2."
},
{
"number": "43",
"name": "PE12",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE12, alternates FSMC_D9 and TIM1_CH3N."
},
{
"number": "44",
"name": "PE13",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE13, alternates FSMC_D10 and TIM1_CH3."
},
{
"number": "45",
"name": "PE14",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE14, alternates FSMC_D11 and TIM1_CH4."
},
{
"number": "46",
"name": "PE15",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE15, alternates FSMC_D12 and TIM1_BKIN."
},
{
"number": "47",
"name": "PB10",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB10, alternates I2C2_SCL, USART3_TX and TIM2_CH3."
},
{
"number": "48",
"name": "PB11",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB11, alternates I2C2_SDA, USART3_RX and TIM2_CH4."
},
{
"number": "49",
"name": "VSS_1",
"type": "power_in",
"description": "Ground pin; all voltages in the datasheet are referenced to VSS."
},
{
"number": "50",
"name": "VDD_1",
"type": "power_in",
"description": "Digital supply pin for the 2.0 to 3.6 V application supply and I/Os."
},
{
"number": "51",
"name": "PB12",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB12, alternates include SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK and TIM1_BKIN."
},
{
"number": "52",
"name": "PB13",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB13, alternates include SPI2_SCK, I2S2_CK, USART3_CTS and TIM1_CH1N."
},
{
"number": "53",
"name": "PB14",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB14, alternates include SPI2_MISO, TIM1_CH2N and USART3_RTS."
},
{
"number": "54",
"name": "PB15",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB15, alternates include SPI2_MOSI, I2S2_SD and TIM1_CH3N."
},
{
"number": "55",
"name": "PD8",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD8, alternates FSMC_D13 and USART3_TX."
},
{
"number": "56",
"name": "PD9",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD9, alternates FSMC_D14 and USART3_RX."
},
{
"number": "57",
"name": "PD10",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD10, alternates FSMC_D15 and USART3_CK."
},
{
"number": "58",
"name": "PD11",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD11, alternates FSMC_A16 and USART3_CTS."
},
{
"number": "59",
"name": "PD12",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD12, alternates FSMC_A17, TIM4_CH1 and USART3_RTS."
},
{
"number": "60",
"name": "PD13",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD13, alternates FSMC_A18 and TIM4_CH2."
},
{
"number": "61",
"name": "PD14",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD14, alternates FSMC_D0 and TIM4_CH3."
},
{
"number": "62",
"name": "PD15",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD15, alternates FSMC_D1 and TIM4_CH4."
},
{
"number": "63",
"name": "PC6",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PC6, alternates I2S2_MCK, TIM8_CH1, SDIO_D6 and TIM3_CH1."
},
{
"number": "64",
"name": "PC7",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PC7, alternates I2S3_MCK, TIM8_CH2, SDIO_D7 and TIM3_CH2."
},
{
"number": "65",
"name": "PC8",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PC8, alternates TIM8_CH3, SDIO_D0 and TIM3_CH3."
},
{
"number": "66",
"name": "PC9",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PC9, alternates TIM8_CH4, SDIO_D1 and TIM3_CH4."
},
{
"number": "67",
"name": "PA8",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PA8, alternates USART1_CK, TIM1_CH1 and MCO."
},
{
"number": "68",
"name": "PA9",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PA9, alternates USART1_TX and TIM1_CH2."
},
{
"number": "69",
"name": "PA10",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PA10, alternates USART1_RX and TIM1_CH3."
},
{
"number": "70",
"name": "PA11",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PA11, alternates USART1_CTS, USBDM, CAN_RX and TIM1_CH4."
},
{
"number": "71",
"name": "PA12",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PA12, alternates USART1_RTS, USBDP, CAN_TX and TIM1_ETR."
},
{
"number": "72",
"name": "PA13",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function JTMS-SWDIO after reset."
},
{
"number": "73",
"name": "NC",
"type": "unconnected",
"description": "Listed as Not connected in Table 5 for the LQFP100 package."
},
{
"number": "74",
"name": "VSS_2",
"type": "power_in",
"description": "Ground pin; all voltages in the datasheet are referenced to VSS."
},
{
"number": "75",
"name": "VDD_2",
"type": "power_in",
"description": "Digital supply pin for the 2.0 to 3.6 V application supply and I/Os."
},
{
"number": "76",
"name": "PA14",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function JTCK-SWCLK after reset."
},
{
"number": "77",
"name": "PA15",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function JTDI after reset, alternates include SPI3_NSS, I2S3_WS, TIM2_CH1_ETR and SPI1_NSS."
},
{
"number": "78",
"name": "PC10",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PC10, alternates UART4_TX, SDIO_D2 and USART3_TX."
},
{
"number": "79",
"name": "PC11",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PC11, alternates UART4_RX, SDIO_D3 and USART3_RX."
},
{
"number": "80",
"name": "PC12",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PC12, alternates UART5_TX, SDIO_CK and USART3_CK."
},
{
"number": "81",
"name": "PD0",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; available as PD0 by default on LQFP100 without remapping (note 10), alternates FSMC_D2 and CAN_RX."
},
{
"number": "82",
"name": "PD1",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; available as PD1 by default on LQFP100 without remapping (note 10), alternates FSMC_D3 and CAN_TX."
},
{
"number": "83",
"name": "PD2",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD2, alternates TIM3_ETR, UART5_RX and SDIO_CMD."
},
{
"number": "84",
"name": "PD3",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD3, alternates FSMC_CLK and USART2_CTS."
},
{
"number": "85",
"name": "PD4",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD4, alternates FSMC_NOE and USART2_RTS."
},
{
"number": "86",
"name": "PD5",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD5, alternates FSMC_NWE and USART2_TX."
},
{
"number": "87",
"name": "PD6",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD6, alternates FSMC_NWAIT and USART2_RX."
},
{
"number": "88",
"name": "PD7",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PD7, alternates FSMC_NE1/FSMC_NCE2 and USART2_CK."
},
{
"number": "89",
"name": "PB3",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function JTDO after reset, alternates include SPI3_SCK, I2S3_CK, TRACESWO, TIM2_CH2 and SPI1_SCK."
},
{
"number": "90",
"name": "PB4",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default function NJTRST after reset, alternates include SPI3_MISO, TIM3_CH1 and SPI1_MISO."
},
{
"number": "91",
"name": "PB5",
"type": "bidirectional",
"description": "Bidirectional I/O (not marked FT in Table 5); default PB5, alternates include I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2 and SPI1_MOSI."
},
{
"number": "92",
"name": "PB6",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB6, alternates include I2C1_SCL, TIM4_CH1 and USART1_TX."
},
{
"number": "93",
"name": "PB7",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB7, alternates include I2C1_SDA, FSMC_NADV, TIM4_CH2 and USART1_RX."
},
{
"number": "94",
"name": "BOOT0",
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{
"number": "95",
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"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB8, alternates include TIM4_CH3, SDIO_D4, I2C1_SCL and CAN_RX."
},
{
"number": "96",
"name": "PB9",
"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PB9, alternates include TIM4_CH4, SDIO_D5, I2C1_SDA and CAN_TX."
},
{
"number": "97",
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"type": "bidirectional",
"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE0, alternates TIM4_ETR and FSMC_NBL0."
},
{
"number": "98",
"name": "PE1",
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"description": "Bidirectional 5 V-tolerant (FT) I/O; default PE1, alternate FSMC_NBL1."
},
{
"number": "99",
"name": "VSS_3",
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"description": "Ground pin; all voltages in the datasheet are referenced to VSS."
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{
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