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STM32F103VET6
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
markdownSTM32F103VET6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)
STM32F103VET6 from STMicroelectronics, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PE2 | bidirectional | Port E pin 2; TRACECK/FSMC_A23 alternate function available |
| 2 | PE3 | bidirectional | Port E pin 3; TRACED0/FSMC_A19 alternate function available |
| 3 | PE4 | bidirectional | Port E pin 4; TRACED1/FSMC_A20 alternate function available |
| 4 | PE5 | bidirectional | Port E pin 5; TRACED2/FSMC_A21 alternate function available |
| 5 | PE6 | bidirectional | Port E pin 6; TRACED3/FSMC_A22 alternate function available |
| 6 | VBAT | power_in | Backup battery power supply for RTC and backup registers (1.8-3.6 V) |
| 7 | PC13-TAMPER-RTC | bidirectional | Port C pin 13; TAMPER/RTC alternate function; supplied through power switch with 3 mA limit |
| 8 | PC14-OSC32_IN | bidirectional | Port C pin 14; external 32 kHz oscillator input; supplied through power switch |
| 9 | PC15-OSC32_OUT | bidirectional | Port C pin 15; external 32 kHz oscillator output; supplied through power switch |
| 10 | VSS | power_in | |
| 11 | VDD | power_in | |
| 12 | OSC_IN | bidirectional | External oscillator input for 4-16 MHz crystal (HSE clock input) |
| 13 | OSC_OUT | bidirectional | External oscillator output for 4-16 MHz crystal |
| 14 | NRST | input | System reset pin with integrated pull-up and Schmitt trigger; external filter recommended |
| 15 | PC0 | bidirectional | Port C pin 0; ADC123_IN10 alternate function available |
| 16 | PC1 | bidirectional | Port C pin 1; ADC123_IN11 alternate function available |
| 17 | PC2 | bidirectional | Port C pin 2; ADC123_IN12 alternate function available |
| 18 | PC3 | bidirectional | Port C pin 3; ADC123_IN13 alternate function available |
| 19 | VSSA | power_in | Analog ground (VSSA) for ADC, DAC, reset blocks, internal RC oscillators and PLL |
| 20 | VREF- | power_in | Negative reference voltage input for ADC (0 V nominal, tied to VSSA) |
| 21 | VREF+ | power_in | Positive reference voltage input for ADC (2.4-3.6 V, can be tied to VDDA) |
| 22 | VDDA | power_in | Analog power supply (2.4-3.6 V); must not differ from VDD by more than 300 mV |
| 23 | PA0-WKUP | bidirectional | Port A pin 0; wakeup pin from low-power modes; can be used for USART2_CTS, ADC123_IN0, or TIM2_CH1_ETR alternate functions |
| 24 | PA1 | bidirectional | Port A pin 1; can be used for USART2_RTS, ADC123_IN1, or TIM2_CH2 alternate functions |
| 25 | PA2 | bidirectional | Port A pin 2; can be used for USART2_TX, ADC123_IN2, or TIM2_CH3 alternate functions |
| 26 | PA3 | bidirectional | Port A pin 3; can be used for USART2_RX, ADC123_IN3, or TIM2_CH4 alternate functions |
| 27 | VSS | power_in | |
| 28 | VDD | power_in | |
| 29 | PA4 | bidirectional | Port A pin 4; can be used for SPI1_NSS, USART2_CK, DAC_OUT1, or ADC12_IN4 alternate functions |
| 30 | PA5 | bidirectional | Port A pin 5; can be used for SPI1_SCK, DAC_OUT2, or ADC12_IN5 alternate functions |
| 31 | PA6 | bidirectional | Port A pin 6; can be used for SPI1_MISO, TIM8_BKIN, ADC12_IN6, or TIM3_CH1 alternate functions |
| 32 | PA7 | bidirectional | Port A pin 7; can be used for SPI1_MOSI, TIM8_CH1N, ADC12_IN7, or TIM3_CH2 alternate functions |
| 33 | PC4 | bidirectional | Port C pin 4; ADC12_IN14 alternate function available |
| 34 | PC5 | bidirectional | Port C pin 5; ADC12_IN15 alternate function available |
| 35 | PB0 | bidirectional | Port B pin 0; can be used for ADC12_IN8, TIM3_CH3, or TIM8_CH2N alternate functions |
| 36 | PB1 | bidirectional | Port B pin 1; can be used for ADC12_IN9, TIM3_CH4, or TIM8_CH3N alternate functions |
| 37 | PB2 | bidirectional | |
| 38 | PE7 | bidirectional | Port E pin 7; FSMC_D4 or TIM1_ETR alternate functions; 5V-tolerant |
| 39 | PE8 | bidirectional | Port E pin 8; FSMC_D5 or TIM1_CH1N alternate functions; 5V-tolerant |
| 40 | PE9 | bidirectional | Port E pin 9; FSMC_D6 or TIM1_CH1 alternate functions; 5V-tolerant |
| 41 | PE10 | bidirectional | Port E pin 10; FSMC_D7 or TIM1_CH2N alternate functions; 5V-tolerant |
| 42 | PE11 | bidirectional | Port E pin 11; FSMC_D8 or TIM1_CH2 alternate functions; 5V-tolerant |
| 43 | PE12 | bidirectional | Port E pin 12; FSMC_D9 or TIM1_CH3N alternate functions; 5V-tolerant |
| 44 | PE13 | bidirectional | Port E pin 13; FSMC_D10 or TIM1_CH3 alternate functions; 5V-tolerant |
| 45 | PE14 | bidirectional | Port E pin 14; FSMC_D11 or TIM1_CH4 alternate functions; 5V-tolerant |
| 46 | PE15 | bidirectional | Port E pin 15; FSMC_D12 or TIM1_BKIN alternate functions; 5V-tolerant |
| 47 | PB10 | bidirectional | Port B pin 10; I2C2_SCL, USART3_TX, or TIM2_CH3 alternate functions; 5V-tolerant |
| 48 | PB11 | bidirectional | Port B pin 11; I2C2_SDA, USART3_RX, or TIM2_CH4 alternate functions; 5V-tolerant |
| 49 | VSS | power_in | |
| 50 | VDD | power_in | |
| 51 | PB12 | bidirectional | Port B pin 12; SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, or TIM1_BKIN alternate functions; 5V-tolerant |
| 52 | PB13 | bidirectional | Port B pin 13; SPI2_SCK, I2S2_CK, USART3_CTS, or TIM1_CH1N alternate functions; 5V-tolerant |
| 53 | PB14 | bidirectional | Port B pin 14; SPI2_MISO, TIM1_CH2N, or USART3_RTS alternate functions; 5V-tolerant |
| 54 | PB15 | bidirectional | Port B pin 15; SPI2_MOSI, I2S2_SD, TIM1_CH3N alternate functions; 5V-tolerant |
| 55 | PD8 | bidirectional | Port D pin 8; FSMC_D13 or USART3_TX alternate functions; 5V-tolerant |
| 56 | PD9 | bidirectional | Port D pin 9; FSMC_D14 or USART3_RX alternate functions; 5V-tolerant |
| 57 | PD10 | bidirectional | Port D pin 10; FSMC_D15 or USART3_CK alternate functions; 5V-tolerant |
| 58 | PD11 | bidirectional | Port D pin 11; FSMC_A16 or USART3_CTS alternate functions; 5V-tolerant |
| 59 | PD12 | bidirectional | Port D pin 12; FSMC_A17, TIM4_CH1, or USART3_RTS alternate functions; 5V-tolerant |
| 60 | PD13 | bidirectional | Port D pin 13; FSMC_A18 or TIM4_CH2 alternate functions; 5V-tolerant |
| 61 | PD14 | bidirectional | Port D pin 14; FSMC_D0 or TIM4_CH3 alternate functions; 5V-tolerant |
| 62 | PD15 | bidirectional | Port D pin 15; FSMC_D1 or TIM4_CH4 alternate functions; 5V-tolerant |
| 63 | PC6 | bidirectional | Port C pin 6; I2S2_MCK, TIM8_CH1, SDIO_D6, or TIM3_CH1 alternate functions; 5V-tolerant |
| 64 | PC7 | bidirectional | Port C pin 7; I2S3_MCK, TIM8_CH2, SDIO_D7, or TIM3_CH2 alternate functions; 5V-tolerant |
| 65 | PC8 | bidirectional | Port C pin 8; TIM8_CH3, SDIO_D0, or TIM3_CH3 alternate functions; 5V-tolerant |
| 66 | PC9 | bidirectional | Port C pin 9; TIM8_CH4, SDIO_D1, or TIM3_CH4 alternate functions; 5V-tolerant |
| 67 | PA8 | bidirectional | Port A pin 8; USART1_CK, TIM1_CH1, or MCO alternate functions; 5V-tolerant |
| 68 | PA9 | bidirectional | Port A pin 9; USART1_TX or TIM1_CH2 alternate functions; 5V-tolerant |
| 69 | PA10 | bidirectional | Port A pin 10; USART1_RX or TIM1_CH3 alternate functions; 5V-tolerant |
| 70 | PA11 | bidirectional | Port A pin 11; USART1_CTS, USB_DM, CAN_RX, or TIM1_CH4 alternate functions; 5V-tolerant |
| 71 | PA12 | bidirectional | Port A pin 12; USART1_RTS, USB_DP, CAN_TX, or TIM1_ETR alternate functions; 5V-tolerant |
| 72 | PA13 | bidirectional | JTMS/SWDIO pin for JTAG debug and serial wire debug interfaces; 5V-tolerant |
| 73 | NC | unconnected | |
| 74 | VSS | power_in | |
| 75 | VDD | power_in | |
| 76 | PA14 | bidirectional | JTCK/SWCLK pin for JTAG debug and serial wire debug interfaces; 5V-tolerant |
| 77 | PA15 | bidirectional | JTDI pin; can be used for SPI3_NSS, I2S3_WS, or TIM2_CH1_ETR alternate functions; 5V-tolerant |
| 78 | PC10 | bidirectional | Port C pin 10; UART4_TX, SDIO_D2, or USART3_TX alternate functions; 5V-tolerant |
| 79 | PC11 | bidirectional | Port C pin 11; UART4_RX, SDIO_D3, or USART3_RX alternate functions; 5V-tolerant |
| 80 | PC12 | bidirectional | Port C pin 12; UART5_TX, SDIO_CK, or USART3_CK alternate functions; 5V-tolerant |
| 81 | PD0 | bidirectional | Port D pin 0; OSC_IN, FSMC_D2, or CAN_RX alternate functions; 5V-tolerant |
| 82 | PD1 | bidirectional | Port D pin 1; OSC_OUT, FSMC_D3, or CAN_TX alternate functions; 5V-tolerant |
| 83 | PD2 | bidirectional | Port D pin 2; TIM3_ETR, UART5_RX, or SDIO_CMD alternate functions; 5V-tolerant |
| 84 | PD3 | bidirectional | Port D pin 3; FSMC_CLK or USART2_CTS alternate functions; 5V-tolerant |
| 85 | PD4 | bidirectional | Port D pin 4; FSMC_NOE or USART2_RTS alternate functions; 5V-tolerant |
| 86 | PD5 | bidirectional | Port D pin 5; FSMC_NWE or USART2_TX alternate functions; 5V-tolerant |
| 87 | PD6 | bidirectional | Port D pin 6; FSMC_NWAIT or USART2_RX alternate functions; 5V-tolerant |
| 88 | PD7 | bidirectional | Port D pin 7; FSMC_NE1/FSMC_NCE2 or USART2_CK alternate functions; 5V-tolerant |
| 89 | PB3 | bidirectional | |
| 90 | PB4 | bidirectional | |
| 91 | PB5 | bidirectional | |
| 92 | PB6 | bidirectional | |
| 93 | PB7 | bidirectional | |
| 94 | BOOT0 | input | |
| 95 | PB8 | bidirectional | |
| 96 | PB9 | bidirectional | |
| 97 | PE0 | bidirectional | |
| 98 | PE1 | bidirectional | |
| 99 | VSS | power_in | |
| 100 | VDD | power_in |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |
CAD (KiCad official)
- Symbol:
STM32F103VET6 - Footprint:
Package_QFP:LQFP-100_14x14mm_P0.5mm - 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files:
stm32f103vet6-etched.step/stm32f103vet6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f103vet6.step/stm32f103vet6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (144 pp, sha256
c9b21d3e41aa42a0, retrieved 2026-09-29, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).