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STM32F103VGT6
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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTM32F103VGT6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)
STM32F103VGT6 from STMicroelectronics, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PE2 | bidirectional | Port E pin 2, general-purpose I/O with 5V tolerance |
| 2 | PE3 | bidirectional | Port E pin 3, general-purpose I/O with 5V tolerance, alternate function TRACED0/FSMC_A19 |
| 3 | PE4 | bidirectional | Port E pin 4, general-purpose I/O with 5V tolerance, alternate function TRACED1/FSMC_A20 |
| 4 | PE5 | bidirectional | Port E pin 5, general-purpose I/O with 5V tolerance, alternate functions TRACED2/FSMC_A21/TIM9_CH1 |
| 5 | PE6 | bidirectional | Port E pin 6, general-purpose I/O with 5V tolerance, alternate functions TRACED3/FSMC_A22/TIM9_CH2 |
| 6 | VBAT | power_in | Backup battery supply 1.8 to 3.6 V for RTC and backup registers |
| 7 | PC13-TAMPER-RTC | bidirectional | Port C pin 13, tamper/RTC pin with limited current capability (3 mA max) |
| 8 | PC14-OSC32_IN | bidirectional | Port C pin 14, 32 kHz oscillator input, typical load capacitance 5-15 pF |
| 9 | PC15-OSC32_OUT | bidirectional | Port C pin 15, 32 kHz oscillator output, typical load capacitance 5-15 pF |
| 10 | VSS_5 | power_out | Ground connection 5 |
| 11 | VDD_5 | power_in | Power supply 5 (2.0 to 3.6 V) |
| 12 | OSC_IN | input | High-speed external oscillator input, 4-16 MHz crystal or external clock source |
| 13 | OSC_OUT | output | High-speed external oscillator output for crystal/ceramic resonator circuits |
| 14 | NRST | bidirectional | Reset input pin with internal pull-up, Schmitt trigger with 200 mV hysteresis |
| 15 | PC0 | bidirectional | Port C pin 0, general-purpose I/O, alternate function ADC123_IN10 |
| 16 | PC1 | bidirectional | Port C pin 1, general-purpose I/O, alternate function ADC123_IN11 |
| 17 | PC2 | bidirectional | Port C pin 2, general-purpose I/O, alternate function ADC123_IN12 |
| 18 | PC3 | bidirectional | Port C pin 3, general-purpose I/O, alternate function ADC123_IN13 |
| 19 | VSSA | power_out | Analog ground connection |
| 20 | VREF- | power_out | ADC negative reference voltage (must be connected to VSSA) |
| 21 | VREF+ | power_in | ADC positive reference voltage 2.4 to 3.6 V (typically connected to VDDA) |
| 22 | VDDA | power_in | Analog power supply 2.4 to 3.6 V for ADC, DAC, RC oscillators and PLL |
| 23 | PA0-WKUP | bidirectional | Port A pin 0, wakeup pin, alternate functions USART2_CTS/ADC123_IN0/TIM2_CH1_ETR/TIM5_CH1/TIM8_ETR |
| 24 | PA1 | bidirectional | Port A pin 1, general-purpose I/O, alternate functions USART2_RTS/ADC123_IN1/TIM5_CH2/TIM2_CH2 |
| 25 | PA2 | bidirectional | Port A pin 2, general-purpose I/O, alternate functions USART2_TX/TIM5_CH3/ADC123_IN2/TIM9_CH1/TIM2_CH3 |
| 26 | PA3 | bidirectional | Port A pin 3, general-purpose I/O, alternate functions USART2_RX/TIM5_CH4/ADC123_IN3/TIM2_CH4/TIM9_CH2 |
| 27 | VSS_4 | power_out | Ground connection 4 |
| 28 | VDD_4 | power_in | Power supply 4 (2.0 to 3.6 V) |
| 29 | PA4 | bidirectional | Port A pin 4, general-purpose I/O, alternate functions SPI1_NSS/USART2_CK/DAC_OUT1/ADC12_IN4 |
| 30 | PA5 | bidirectional | Port A pin 5, general-purpose I/O, alternate functions SPI1_SCK/DAC_OUT2/ADC12_IN5 |
| 31 | PA6 | bidirectional | Port A pin 6, general-purpose I/O, alternate functions SPI1_MISO/TIM8_BKIN/ADC12_IN6/TIM3_CH1/TIM13_CH1/TIM1_BKIN |
| 32 | PA7 | bidirectional | Port A pin 7, general-purpose I/O, alternate functions SPI1_MOSI/TIM8_CH1N/ADC12_IN7/TIM3_CH2/TIM14_CH1/TIM1_CH1N |
| 33 | PC4 | bidirectional | Port C pin 4, general-purpose I/O, alternate function ADC12_IN14 |
| 34 | PC5 | bidirectional | Port C pin 5, general-purpose I/O, alternate function ADC12_IN15 |
| 35 | PB0 | bidirectional | Port B pin 0, general-purpose I/O with 5V tolerance, alternate functions ADC12_IN8/TIM3_CH3/TIM8_CH2N/TIM1_CH2N |
| 36 | PB1 | bidirectional | Port B pin 1, general-purpose I/O with 5V tolerance, alternate functions ADC12_IN9/TIM3_CH4/TIM8_CH3N/TIM1_CH3N |
| 37 | PB2 | bidirectional | Port B pin 2, boot pin with 5V tolerance |
| 38 | PE7 | bidirectional | Port E pin 7, general-purpose I/O with 5V tolerance, alternate functions FSMC_D4/TIM1_ETR |
| 39 | PE8 | bidirectional | Port E pin 8, general-purpose I/O with 5V tolerance, alternate functions FSMC_D5/TIM1_CH1N |
| 40 | PE9 | bidirectional | Port E pin 9, general-purpose I/O with 5V tolerance, alternate functions FSMC_D6/TIM1_CH1 |
| 41 | PE10 | bidirectional | Port E pin 10, general-purpose I/O with 5V tolerance, alternate functions FSMC_D7/TIM1_CH2N |
| 42 | PE11 | bidirectional | Port E pin 11, general-purpose I/O with 5V tolerance, alternate functions FSMC_D8/TIM1_CH2 |
| 43 | PE12 | bidirectional | Port E pin 12, general-purpose I/O with 5V tolerance, alternate functions FSMC_D9/TIM1_CH3N |
| 44 | PE13 | bidirectional | Port E pin 13, general-purpose I/O with 5V tolerance, alternate functions FSMC_D10/TIM1_CH3 |
| 45 | PE14 | bidirectional | Port E pin 14, general-purpose I/O with 5V tolerance, alternate function FSMC_D11/TIM1_CH4 |
| 46 | PE15 | bidirectional | Port E pin 15, general-purpose I/O with 5V tolerance, alternate functions FSMC_D12/TIM1_BKIN |
| 47 | PB10 | bidirectional | Port B pin 10, general-purpose I/O with 5V tolerance, alternate functions I2C2_SCL/USART3_TX/TIM2_CH3 |
| 48 | PB11 | bidirectional | Port B pin 11, general-purpose I/O with 5V tolerance, alternate functions I2C2_SDA/USART3_RX/TIM2_CH4 |
| 49 | VSS_1 | power_out | Ground connection 1 |
| 50 | VDD_1 | power_in | Power supply 1 (2.0 to 3.6 V) |
| 51 | PB12 | bidirectional | Port B pin 12, general-purpose I/O with 5V tolerance, alternate functions SPI2_NSS/I2S2_WS/I2C2_SMBA/USART3_CK/TIM1_BKIN |
| 52 | PB13 | bidirectional | Port B pin 13, general-purpose I/O with 5V tolerance, alternate functions SPI2_SCK/I2S2_CK/USART3_CTS/TIM1_CH1N |
| 53 | PB14 | bidirectional | Port B pin 14, general-purpose I/O with 5V tolerance, alternate functions SPI2_MISO/TIM1_CH2N/USART3_RTS/TIM12_CH1 |
| 54 | PB15 | bidirectional | Port B pin 15, general-purpose I/O with 5V tolerance, alternate functions SPI2_MOSI/I2S2_SD/TIM1_CH3N/TIM12_CH2 |
| 55 | PD8 | bidirectional | Port D pin 8, general-purpose I/O with 5V tolerance, alternate functions FSMC_D13/USART3_TX |
| 56 | PD9 | bidirectional | Port D pin 9, general-purpose I/O with 5V tolerance, alternate functions FSMC_D14/USART3_RX |
| 57 | PD10 | bidirectional | Port D pin 10, general-purpose I/O with 5V tolerance, alternate functions FSMC_D15/USART3_CK |
| 58 | PD11 | bidirectional | Port D pin 11, general-purpose I/O with 5V tolerance, alternate functions FSMC_A16/USART3_CTS |
| 59 | PD12 | bidirectional | Port D pin 12, general-purpose I/O with 5V tolerance, alternate functions FSMC_A17/TIM4_CH1/USART3_RTS |
| 60 | PD13 | bidirectional | Port D pin 13, general-purpose I/O with 5V tolerance, alternate functions FSMC_A18/TIM4_CH2 |
| 61 | PD14 | bidirectional | Port D pin 14, general-purpose I/O with 5V tolerance, alternate functions FSMC_D0/TIM4_CH3 |
| 62 | PD15 | bidirectional | Port D pin 15, general-purpose I/O with 5V tolerance, alternate functions FSMC_D1/TIM4_CH4 |
| 63 | PC6 | bidirectional | Port C pin 6, general-purpose I/O with 5V tolerance, alternate functions I2S2_MCK/TIM8_CH1/SDIO_D6/TIM3_CH1 |
| 64 | PC7 | bidirectional | Port C pin 7, general-purpose I/O with 5V tolerance, alternate functions I2S3_MCK/TIM8_CH2/SDIO_D7/TIM3_CH2 |
| 65 | PC8 | bidirectional | Port C pin 8, general-purpose I/O with 5V tolerance, alternate functions TIM8_CH3/SDIO_D0/TIM3_CH3 |
| 66 | PC9 | bidirectional | Port C pin 9, general-purpose I/O with 5V tolerance, alternate functions TIM8_CH4/SDIO_D1/TIM3_CH4 |
| 67 | PA8 | bidirectional | Port A pin 8, general-purpose I/O with 5V tolerance, alternate functions USART1_CK/TIM1_CH1/MCO |
| 68 | PA9 | bidirectional | Port A pin 9, general-purpose I/O with 5V tolerance, alternate functions USART1_TX/TIM1_CH2 |
| 69 | PA10 | bidirectional | Port A pin 10, general-purpose I/O with 5V tolerance, alternate functions USART1_RX/TIM1_CH3 |
| 70 | PA11 | bidirectional | Port A pin 11, general-purpose I/O with 5V tolerance, alternate functions USART1_CTS/USBDM/CAN_RX/TIM1_CH4 |
| 71 | PA12 | bidirectional | Port A pin 12, general-purpose I/O with 5V tolerance, alternate functions USART1_RTS/USBDP/CAN_TX/TIM1_ETR |
| 72 | PA13 | bidirectional | Port A pin 13, JTAG/SWD data I/O, default function JTMS-SWDIO |
| 73 | NC | unconnected | Not connected |
| 74 | VSS_2 | power_out | Ground connection 2 |
| 75 | VDD_2 | power_in | Power supply 2 (2.0 to 3.6 V) |
| 76 | PA14 | bidirectional | Port A pin 14, JTAG/SWD clock, default function JTCK-SWCLK |
| 77 | PA15 | bidirectional | Port A pin 15, JTAG data input, alternate functions SPI3_NSS/I2S3_WS/TIM2_CH1_ETR/SPI1_NSS |
| 78 | PC10 | bidirectional | Port C pin 10, general-purpose I/O with 5V tolerance, alternate functions UART4_TX/SDIO_D2/USART3_TX |
| 79 | PC11 | bidirectional | Port C pin 11, general-purpose I/O with 5V tolerance, alternate functions UART4_RX/SDIO_D3/USART3_RX |
| 80 | PC12 | bidirectional | Port C pin 12, general-purpose I/O with 5V tolerance, alternate functions UART5_TX/SDIO_CK/USART3_CK |
| 81 | PD0 | bidirectional | Port D pin 0, general-purpose I/O with 5V tolerance, alternate functions FSMC_D2/CAN_RX |
| 82 | PD1 | bidirectional | Port D pin 1, general-purpose I/O with 5V tolerance, alternate functions FSMC_D3/CAN_TX |
| 83 | PD2 | bidirectional | Port D pin 2, general-purpose I/O with 5V tolerance, alternate functions TIM3_ETR/UART5_RX/SDIO_CMD |
| 84 | PD3 | bidirectional | Port D pin 3, general-purpose I/O with 5V tolerance, alternate functions FSMC_CLK/USART2_CTS |
| 85 | PD4 | bidirectional | Port D pin 4, general-purpose I/O with 5V tolerance, alternate functions FSMC_NOE/USART2_RTS |
| 86 | PD5 | bidirectional | Port D pin 5, general-purpose I/O with 5V tolerance, alternate functions FSMC_NWE/USART2_TX |
| 87 | PD6 | bidirectional | Port D pin 6, general-purpose I/O with 5V tolerance, alternate functions FSMC_NWAIT/USART2_RX |
| 88 | PD7 | bidirectional | Port D pin 7, general-purpose I/O with 5V tolerance, alternate functions FSMC_NE1/FSMC_NCE2/USART2_CK |
| 89 | PB3/JTDO | bidirectional | Port B pin 3, JTAG test data out, alternate functions SPI3_SCK/I2S3_CK/TIM2_CH2/SPI1_SCK |
| 90 | PB4 | bidirectional | Port B pin 4, NRST (JTAG), alternate functions SPI3_MISO/TIM3_CH1/SPI1_MISO |
| 91 | PB5 | bidirectional | Port B pin 5, general-purpose I/O, alternate functions I2C1_SMBA/SPI3_MOSI/I2S3_SD/TIM3_CH2/SPI1_MOSI |
| 92 | PB6 | bidirectional | Port B pin 6, general-purpose I/O with 5V tolerance, alternate functions I2C1_SCL/TIM4_CH1/USART1_TX |
| 93 | PB7 | bidirectional | Port B pin 7, general-purpose I/O with 5V tolerance, alternate functions I2C1_SDA/FSMC_NADV/TIM4_CH2/USART1_RX |
| 94 | BOOT0 | input | Boot mode selection pin, determines whether device boots from Flash, system memory, or SRAM |
| 95 | PB8 | bidirectional | Port B pin 8, general-purpose I/O with 5V tolerance, alternate functions TIM4_CH3/SDIO_D4/TIM10_CH1/I2C1_SCL/CAN_RX |
| 96 | PB9 | bidirectional | Port B pin 9, general-purpose I/O with 5V tolerance, alternate functions TIM4_CH4/SDIO_D5/TIM11_CH1/I2C1_SDA/CAN_TX |
| 97 | PE0 | bidirectional | Port E pin 0, general-purpose I/O with 5V tolerance, alternate functions TIM4_ETR/FSMC_NBL0 |
| 98 | PE1 | bidirectional | Port E pin 1, general-purpose I/O with 5V tolerance, alternate function FSMC_NBL1 |
| 99 | VSS_3 | power_out | Ground connection 3 |
| 100 | VDD_3 | power_in | Power supply 3 (2.0 to 3.6 V) |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |
CAD (KiCad official)
- Symbol:
STM32F103VGT6 - Footprint:
Package_QFP:LQFP-100_14x14mm_P0.5mm - 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files:
stm32f103vgt6-etched.step/stm32f103vgt6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f103vgt6.step/stm32f103vgt6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (120 pp, sha256
d4650f1e5a23ce6e, retrieved 2026-09-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).