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Contents

README

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STM32F103VDT6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

STM32F103VDT6 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, 5V tolerant I/O with TRACECK/FSMC_A23 alternate functions
2 PE3 bidirectional Port E pin 3, 5V tolerant I/O with TRACED0/FSMC_A19 alternate functions
3 PE4 bidirectional Port E pin 4, 5V tolerant I/O with TRACED1/FSMC_A20 alternate functions
4 PE5 bidirectional Port E pin 5, 5V tolerant I/O with TRACED2/FSMC_A21 alternate functions
5 PE6 bidirectional Port E pin 6, 5V tolerant I/O with TRACED3/FSMC_A22 alternate functions
6 VBAT power_in Backup domain power supply 1.8 to 3.6 V for RTC, external oscillator and backup registers
7 PC13-TAMPER-RTC bidirectional Port C pin 13 with TAMPER-RTC alternate function, limited to 3 mA output
8 PC14-OSC32_IN bidirectional Port C pin 14, 32 kHz oscillator input
9 PC15-OSC32_OUT bidirectional Port C pin 15, 32 kHz oscillator output
10 PF0 bidirectional Port F pin 0, 5V tolerant I/O with FSMC_A0 alternate function
11 PF1 bidirectional Port F pin 1, 5V tolerant I/O with FSMC_A1 alternate function
12 PF2 bidirectional Port F pin 2, 5V tolerant I/O with FSMC_A2 alternate function
13 PF3 bidirectional Port F pin 3, 5V tolerant I/O with FSMC_A3 alternate function
14 PF4 bidirectional Port F pin 4, 5V tolerant I/O with FSMC_A4 alternate function
15 PF5 bidirectional Port F pin 5, 5V tolerant I/O with FSMC_A5 alternate function
16 VSS_5 power_in Ground supply pin 5
17 VDD_5 power_in Power supply pin 5, 2.0 to 3.6 V
18 PF6 bidirectional Port F pin 6, I/O with ADC3_IN4/FSMC_NIORD alternate functions
19 PF7 bidirectional Port F pin 7, I/O with ADC3_IN5/FSMC_NREG alternate functions
20 PF8 bidirectional Port F pin 8, I/O with ADC3_IN6/FSMC_NIOWR alternate functions
21 PF9 bidirectional Port F pin 9, I/O with ADC3_IN7/FSMC_CD alternate functions
22 PF10 bidirectional Port F pin 10, I/O with ADC3_IN8/FSMC_INTR alternate functions
23 OSC_IN input 4-16 MHz crystal oscillator input
24 OSC_OUT output Crystal oscillator output
25 NRST bidirectional Reset pin with 300 ns minimum pulse filtering, internal pull-up
26 PC0 bidirectional Port C pin 0 with ADC123_IN10 alternate function
27 PC1 bidirectional Port C pin 1 with ADC123_IN11 alternate function
28 PC2 bidirectional Port C pin 2 with ADC123_IN12 alternate function
29 PC3 bidirectional Port C pin 3 with ADC123_IN13 alternate function
30 VSSA power_in Analog ground reference for ADC, DAC, reset blocks, RCs and PLL
31 VREF- power_in Analog negative reference voltage for ADC
32 VREF+ power_in Analog positive reference voltage for ADC, 2.4 to 3.6 V
33 VDDA power_in Analog power supply for ADC, DAC, reset blocks, RCs and PLL, 2.4 to 3.6 V
34 PA0-WKUP bidirectional Port A pin 0 wakeup with USART2_CTS/ADC123_IN0/TIM2_CH1_ETR alternate functions
35 PA1 bidirectional Port A pin 1 with USART2_RTS/ADC123_IN1/TIM2_CH2 alternate functions
36 PA2 bidirectional Port A pin 2 with USART2_TX/ADC123_IN2/TIM2_CH3 alternate functions
37 PA3 bidirectional Port A pin 3 with USART2_RX/ADC123_IN3/TIM2_CH4 alternate functions
38 VSS_4 power_in Ground supply pin 4
39 VDD_4 power_in Power supply pin 4, 2.0 to 3.6 V
40 PA4 bidirectional Port A pin 4 with SPI1_NSS/USART2_CK/DAC_OUT1/ADC12_IN4 alternate functions
41 PA5 bidirectional Port A pin 5 with SPI1_SCK/DAC_OUT2/ADC12_IN5 alternate functions
42 PA6 bidirectional Port A pin 6 with SPI1_MISO/TIM3_CH1/ADC12_IN6 alternate functions
43 PA7 bidirectional Port A pin 7 with SPI1_MOSI/TIM3_CH2/ADC12_IN7 alternate functions
44 PC4 bidirectional Port C pin 4 with ADC12_IN14 alternate function
45 PC5 bidirectional Port C pin 5 with ADC12_IN15 alternate function
46 PB0 bidirectional Port B pin 0 with ADC12_IN8/TIM3_CH3 alternate functions
47 PB1 bidirectional Port B pin 1 with ADC12_IN9/TIM3_CH4 alternate functions
48 PB2/BOOT1 bidirectional Port B pin 2, 5V tolerant I/O, boot configuration pin
49 PF11 bidirectional Port F pin 11, 5V tolerant I/O with FSMC_NIOS16 alternate function
50 PF12 bidirectional Port F pin 12, 5V tolerant I/O with FSMC_A6 alternate function
51 VSS_6 power_in Ground supply pin 6
52 VDD_6 power_in Power supply pin 6, 2.0 to 3.6 V
53 PF13 bidirectional Port F pin 13, 5V tolerant I/O with FSMC_A7 alternate function
54 PF14 bidirectional Port F pin 14, 5V tolerant I/O with FSMC_A8 alternate function
55 PF15 bidirectional Port F pin 15, 5V tolerant I/O with FSMC_A9 alternate function
56 PG0 bidirectional Port G pin 0, 5V tolerant I/O with FSMC_A10 alternate function
57 PG1 bidirectional Port G pin 1, 5V tolerant I/O with FSMC_A11 alternate function
58 PE7 bidirectional Port E pin 7, 5V tolerant I/O with FSMC_D4/TIM1_ETR alternate functions
59 PE8 bidirectional Port E pin 8, 5V tolerant I/O with FSMC_D5/TIM1_CH1N alternate functions
60 PE9 bidirectional Port E pin 9, 5V tolerant I/O with FSMC_D6/TIM1_CH1 alternate functions
61 VSS_7 power_in Ground supply pin 7
62 VDD_7 power_in Power supply pin 7, 2.0 to 3.6 V
63 PE10 bidirectional Port E pin 10, 5V tolerant I/O with FSMC_D7/TIM1_CH2N alternate functions
64 PE11 bidirectional Port E pin 11, 5V tolerant I/O with FSMC_D8/TIM1_CH2 alternate functions
65 PE12 bidirectional Port E pin 12, 5V tolerant I/O with FSMC_D9/TIM1_CH3N alternate functions
66 PE13 bidirectional Port E pin 13, 5V tolerant I/O with FSMC_D10/TIM1_CH3 alternate functions
67 PE14 bidirectional Port E pin 14, 5V tolerant I/O with FSMC_D11/TIM1_CH4 alternate functions
68 PE15 bidirectional Port E pin 15, 5V tolerant I/O with FSMC_D12/TIM1_BKIN alternate functions
69 PB10 bidirectional Port B pin 10, 5V tolerant I/O with I2C2_SCL/USART3_TX/TIM2_CH3 alternate functions
70 PB11 bidirectional Port B pin 11, 5V tolerant I/O with I2C2_SDA/USART3_RX/TIM2_CH4 alternate functions
71 VSS_1 power_in Ground supply pin 1
72 VDD_1 power_in Power supply pin 1, 2.0 to 3.6 V
73 PB12 bidirectional Port B pin 12, 5V tolerant I/O with SPI2_NSS/I2S2_WS/I2C2_SMBA/USART3_CK/TIM1_BKIN alternate functions
74 PB13 bidirectional Port B pin 13, 5V tolerant I/O with SPI2_SCK/I2S2_CK/USART3_CTS/TIM1_CH1N alternate functions
75 PB14 bidirectional Port B pin 14, 5V tolerant I/O with SPI2_MISO/TIM1_CH2N/USART3_RTS alternate functions
76 PB15 bidirectional Port B pin 15, 5V tolerant I/O with SPI2_MOSI/I2S2_SD/TIM1_CH3N alternate functions
77 PD8 bidirectional Port D pin 8, 5V tolerant I/O with FSMC_D13/USART3_TX alternate functions
78 PD9 bidirectional Port D pin 9, 5V tolerant I/O with FSMC_D14/USART3_RX alternate functions
79 PD10 bidirectional Port D pin 10, 5V tolerant I/O with FSMC_D15/USART3_CK alternate functions
80 PD11 bidirectional Port D pin 11, 5V tolerant I/O with FSMC_A16/USART3_CTS alternate functions
81 PD12 bidirectional Port D pin 12, 5V tolerant I/O with FSMC_A17/TIM4_CH1/USART3_RTS alternate functions
82 PD13 bidirectional Port D pin 13, 5V tolerant I/O with FSMC_A18/TIM4_CH2 alternate functions
83 VSS_8 power_in Ground supply pin 8
84 VDD_8 power_in Power supply pin 8, 2.0 to 3.6 V
85 PD14 bidirectional Port D pin 14, 5V tolerant I/O with FSMC_D0/TIM4_CH3 alternate functions
86 PD15 bidirectional Port D pin 15, 5V tolerant I/O with FSMC_D1/TIM4_CH4 alternate functions
87 PG2 bidirectional Port G pin 2, 5V tolerant I/O with FSMC_A12 alternate function
88 PG3 bidirectional Port G pin 3, 5V tolerant I/O with FSMC_A13 alternate function
89 PG4 bidirectional Port G pin 4, 5V tolerant I/O with FSMC_A14 alternate function
90 PG5 bidirectional Port G pin 5, 5V tolerant I/O with FSMC_A15 alternate function
91 PG6 bidirectional Port G pin 6, 5V tolerant I/O with FSMC_INT2 alternate function
92 PG7 bidirectional Port G pin 7, 5V tolerant I/O with FSMC_INT3 alternate function
93 PG8 bidirectional Port G pin 8, 5V tolerant I/O
94 VSS_9 power_in Ground supply pin 9
95 VDD_9 power_in Power supply pin 9, 2.0 to 3.6 V
96 PC6 bidirectional Port C pin 6, 5V tolerant I/O with I2S2_MCK/TIM8_CH1/SDIO_D6/TIM3_CH1 alternate functions
97 PC7 bidirectional Port C pin 7, 5V tolerant I/O with I2S3_MCK/TIM8_CH2/SDIO_D7/TIM3_CH2 alternate functions
98 PC8 bidirectional Port C pin 8, 5V tolerant I/O with TIM8_CH3/SDIO_D0/TIM3_CH3 alternate functions
99 PC9 bidirectional Port C pin 9, 5V tolerant I/O with TIM8_CH4/SDIO_D1/TIM3_CH4 alternate functions
100 PA8 bidirectional Port A pin 8, 5V tolerant I/O with USART1_CK/TIM1_CH1/MCO alternate functions

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-100(14x14)
Category Embedded Processors & Controllers
Pins 100

CAD (KiCad official)

  • Symbol: STM32F103VDT6
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: stm32f103vdt6-etched.step / stm32f103vdt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f103vdt6.step / stm32f103vdt6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (145 pp, sha256 565aead0494fb020, retrieved 2026-09-24, 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).

Datasheet PDF