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STM32F101VBT6

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

componentembedded processors & controllersstm32f101vbt6factory-2.0.0extractor-text
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Symbol & Footprint

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Datasheet

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Contents

README

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STM32F101VBT6

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

STM32F101VBT6 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 bit 2; 5V-tolerant GPIO with trace clock output alternate function.
2 PE3 bidirectional Port E bit 3; 5V-tolerant GPIO with trace data 0 alternate function.
3 PE4 bidirectional Port E bit 4; 5V-tolerant GPIO with trace data 1 alternate function.
4 PE5 bidirectional Port E bit 5; 5V-tolerant GPIO with trace data 2 alternate function.
5 PE6 bidirectional Port E bit 6; 5V-tolerant GPIO with trace data 3 alternate function.
6 VBAT power_in Backup battery supply voltage input; 1.8V to 3.6V for RTC and backup registers.
7 PC13-TAMPER-RTC bidirectional Port C bit 13; GPIO with RTC tamper alternate function; powered through power switch with 3mA limit.
8 PC14-OSC32_IN bidirectional Port C bit 14; 32kHz oscillator input; powered through power switch with 3mA limit.
9 PC15-OSC32_OUT bidirectional Port C bit 15; 32kHz oscillator output; powered through power switch with 3mA limit.
10 VSS_5 power_in Ground connection.
11 VDD_5 power_in Supply voltage input; 2.0V to 3.6V.
12 OSC_IN input Main oscillator input for 4-16MHz external crystal.
13 OSC_OUT output Main oscillator output for 4-16MHz external crystal.
14 NRST bidirectional Active low reset input with internal pull-up; asynchronous reset to core.
15 PC0 bidirectional Port C bit 0; GPIO with ADC channel 10 alternate input.
16 PC1 bidirectional Port C bit 1; GPIO with ADC channel 11 alternate input.
17 PC2 bidirectional Port C bit 2; GPIO with ADC channel 12 alternate input.
18 PC3 bidirectional Port C bit 3; GPIO with ADC channel 13 alternate input.
19 VSSA power_in Analog ground connection.
20 VREF- power_in ADC negative reference voltage; connect to VSSA or externally.
21 VREF+ power_in ADC positive reference voltage input; 2.4V to 3.6V.
22 VDDA power_in Analog supply voltage input; 2.4V to 3.6V; powers ADC and temperature sensor.
23 PA0-WKUP bidirectional Port A bit 0; GPIO with wake-up, USART2_CTS, ADC channel 0, or TIM2_CH1_ETR alternate functions.
24 PA1 bidirectional Port A bit 1; GPIO with USART2_RTS, ADC channel 1, or TIM2_CH2 alternate functions.
25 PA2 bidirectional Port A bit 2; GPIO with USART2_TX, ADC channel 2, or TIM2_CH3 alternate functions.
26 PA3 bidirectional Port A bit 3; GPIO with USART2_RX, ADC channel 3, or TIM2_CH4 alternate functions.
27 VSS_4 power_in Ground connection.
28 VDD_4 power_in Supply voltage input; 2.0V to 3.6V.
29 PA4 bidirectional Port A bit 4; GPIO with SPI1_NSS, ADC channel 4, or USART2_CK alternate functions.
30 PA5 bidirectional Port A bit 5; GPIO with SPI1_SCK or ADC channel 5 alternate functions.
31 PA6 bidirectional Port A bit 6; GPIO with SPI1_MISO, ADC channel 6, or TIM3_CH1 alternate functions.
32 PA7 bidirectional Port A bit 7; GPIO with SPI1_MOSI, ADC channel 7, or TIM3_CH2 alternate functions.
33 PC4 bidirectional Port C bit 4; GPIO with ADC channel 14 alternate input.
34 PC5 bidirectional Port C bit 5; GPIO with ADC channel 15 alternate input.
35 PB0 bidirectional Port B bit 0; GPIO with ADC channel 8 or TIM3_CH3 alternate functions.
36 PB1 bidirectional Port B bit 1; GPIO with ADC channel 9 or TIM3_CH4 alternate functions.
37 PB2 bidirectional Port B bit 2; 5V-tolerant GPIO with BOOT1 alternate function.
38 PE7 bidirectional Port E bit 7; 5V-tolerant GPIO.
39 PE8 bidirectional Port E bit 8; 5V-tolerant GPIO.
40 PE9 bidirectional Port E bit 9; 5V-tolerant GPIO.
41 PE10 bidirectional Port E bit 10; 5V-tolerant GPIO.
42 PE11 bidirectional Port E bit 11; 5V-tolerant GPIO.
43 PE12 bidirectional Port E bit 12; 5V-tolerant GPIO.
44 PE13 bidirectional Port E bit 13; 5V-tolerant GPIO.
45 PE14 bidirectional Port E bit 14; 5V-tolerant GPIO.
46 PE15 bidirectional Port E bit 15; 5V-tolerant GPIO.
47 PB10 bidirectional Port B bit 10; 5V-tolerant GPIO with I2C2_SCL, USART3_TX, or TIM2_CH3 alternate functions.
48 PB11 bidirectional Port B bit 11; 5V-tolerant GPIO with I2C2_SDA, USART3_RX, or TIM2_CH4 alternate functions.
49 VSS_1 power_in Ground connection.
50 VDD_1 power_in Supply voltage input; 2.0V to 3.6V.
51 PB12 bidirectional Port B bit 12; 5V-tolerant GPIO with SPI2_NSS, I2C2_SMBA, or USART3_CK alternate functions.
52 PB13 bidirectional Port B bit 13; 5V-tolerant GPIO with SPI2_SCK or USART3_CTS alternate functions.
53 PB14 bidirectional Port B bit 14; 5V-tolerant GPIO with SPI2_MISO or USART3_RTS alternate functions.
54 PB15 bidirectional Port B bit 15; 5V-tolerant GPIO with SPI2_MOSI alternate function.
55 PD8 bidirectional Port D bit 8; 5V-tolerant GPIO with USART3_TX alternate function.
56 PD9 bidirectional Port D bit 9; 5V-tolerant GPIO with USART3_RX alternate function.
57 PD10 bidirectional Port D bit 10; 5V-tolerant GPIO with USART3_CK alternate function.
58 PD11 bidirectional Port D bit 11; 5V-tolerant GPIO with USART3_CTS alternate function.
59 PD12 bidirectional Port D bit 12; 5V-tolerant GPIO with TIM4_CH1 or USART3_RTS alternate functions.
60 PD13 bidirectional Port D bit 13; 5V-tolerant GPIO with TIM4_CH2 alternate function.
61 PD14 bidirectional Port D bit 14; 5V-tolerant GPIO with TIM4_CH3 alternate function.
62 PD15 bidirectional Port D bit 15; 5V-tolerant GPIO with TIM4_CH4 alternate function.
63 PC6 bidirectional Port C bit 6; 5V-tolerant GPIO with TIM3_CH1 alternate function.
64 PC7 bidirectional Port C bit 7; 5V-tolerant GPIO with TIM3_CH2 alternate function.
65 PC8 bidirectional Port C bit 8; 5V-tolerant GPIO with TIM3_CH3 alternate function.
66 PC9 bidirectional Port C bit 9; 5V-tolerant GPIO with TIM3_CH4 alternate function.
67 PA8 bidirectional Port A bit 8; 5V-tolerant GPIO with USART1_CK or MCO alternate functions.
68 PA9 bidirectional Port A bit 9; 5V-tolerant GPIO with USART1_TX alternate function.
69 PA10 bidirectional Port A bit 10; 5V-tolerant GPIO with USART1_RX alternate function.
70 PA11 bidirectional Port A bit 11; 5V-tolerant GPIO with USART1_CTS alternate function.
71 PA12 bidirectional Port A bit 12; 5V-tolerant GPIO with USART1_RTS alternate function.
72 PA13 bidirectional Port A bit 13; 5V-tolerant GPIO or JTAG TMS/serial wire debug IO; requires configuration to avoid conflicts.
73 NC unconnected No internal connection.
74 VSS_2 power_in Ground connection.
75 VDD_2 power_in Supply voltage input; 2.0V to 3.6V.
76 PA14 bidirectional Port A bit 14; 5V-tolerant GPIO or JTAG TCK/serial wire debug clock; requires configuration to avoid conflicts.
77 PA15 bidirectional Port A bit 15; 5V-tolerant GPIO or JTAG TDI with TIM2_CH1_ETR or SPI1_NSS alternate functions; requires configuration.
78 PC10 bidirectional Port C bit 10; 5V-tolerant GPIO with USART3_TX alternate function.
79 PC11 bidirectional Port C bit 11; 5V-tolerant GPIO with USART3_RX alternate function.
80 PC12 bidirectional Port C bit 12; 5V-tolerant GPIO with USART3_CK alternate function.
81 PD0 bidirectional Port D bit 0; 5V-tolerant GPIO; remappable as main oscillator input.
82 PD1 bidirectional Port D bit 1; 5V-tolerant GPIO; remappable as main oscillator output.
83 PD2 bidirectional Port D bit 2; 5V-tolerant GPIO with TIM3_ETR alternate function.
84 PD3 bidirectional Port D bit 3; 5V-tolerant GPIO with USART2_CTS alternate function.
85 PD4 bidirectional Port D bit 4; 5V-tolerant GPIO with USART2_RTS alternate function.
86 PD5 bidirectional Port D bit 5; 5V-tolerant GPIO with USART2_TX alternate function.
87 PD6 bidirectional Port D bit 6; 5V-tolerant GPIO with USART2_RX alternate function.
88 PD7 bidirectional Port D bit 7; 5V-tolerant GPIO with USART2_CK alternate function.
89 PB3 bidirectional Port B bit 3; 5V-tolerant GPIO or JTAG TDO with SPI1_SCK, TIM2_CH2, or TRACESWO alternate functions; requires configuration.
90 PB4 bidirectional Port B bit 4; 5V-tolerant GPIO or JTAG NTRST with SPI1_MISO or TIM3_CH1 alternate functions; requires configuration.
91 PB5 bidirectional Port B bit 5; GPIO with I2C1_SMBA, TIM3_CH2, or SPI1_MOSI alternate functions.
92 PB6 bidirectional Port B bit 6; 5V-tolerant GPIO with I2C1_SCL, TIM4_CH1, or USART1_TX alternate functions.
93 PB7 bidirectional Port B bit 7; 5V-tolerant GPIO with I2C1_SDA, TIM4_CH2, or USART1_RX alternate functions.
94 BOOT0 input Boot mode selection input; 0=boot from main flash memory, 1=boot from system memory; sampled at reset.
95 PB8 bidirectional Port B bit 8; 5V-tolerant GPIO with TIM4_CH3 or I2C1_SCL alternate functions.
96 PB9 bidirectional Port B bit 9; 5V-tolerant GPIO with TIM4_CH4 or I2C1_SDA alternate functions.
97 PE0 bidirectional Port E bit 0; 5V-tolerant GPIO with TIM4_ETR alternate function.
98 PE1 bidirectional Port E bit 1; 5V-tolerant GPIO.
99 VSS_3 power_in Ground connection.
100 VDD_3 power_in Supply voltage input; 2.0V to 3.6V.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32F101VBT6
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: stm32f101vbt6-etched.step / stm32f101vbt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f101vbt6.step / stm32f101vbt6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (90 pp, sha256 cf9864b2eb00694d, retrieved 2026-10-07, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (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).

Datasheet PDF