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STM32F101C8T6

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

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STM32F101C8T6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)

STM32F101C8T6 from STMicroelectronics, in a LQFP-48(7x7). 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 VBAT power_in Battery supply input for RTC and backup registers; operating range 2.0 to 3.6 V
2 PC13-TAMPER-RTC bidirectional GPIO port C pin 13 or TAMPER-RTC input; 5V-tolerant, max output 2 MHz with 30 pF load
3 PC14-OSC32_IN bidirectional GPIO port C pin 14 or 32 kHz oscillator input; 5V-tolerant
4 PC15-OSC32_OUT bidirectional GPIO port C pin 15 or 32 kHz oscillator output; 5V-tolerant
5 OSC_IN input High-speed external oscillator input; 4 to 16 MHz crystal input
6 OSC_OUT output High-speed external oscillator output; 4 to 16 MHz crystal output
7 NRST bidirectional Reset pin active low; open-drain output capable, 5V-tolerant
8 VSSA power_in Analog ground reference
9 VDDA power_in Analog power supply; operating range 2.4 to 3.6 V
10 PA0-WKUP bidirectional GPIO port A pin 0 or wakeup pin; 5V-tolerant
11 PA1 bidirectional GPIO port A pin 1; 5V-tolerant
12 PA2 bidirectional GPIO port A pin 2; 5V-tolerant
13 PA3 bidirectional GPIO port A pin 3; 5V-tolerant
14 PA4 bidirectional GPIO port A pin 4; 5V-tolerant
15 PA5 bidirectional GPIO port A pin 5; 5V-tolerant
16 PA6 bidirectional GPIO port A pin 6; 5V-tolerant
17 PA7 bidirectional GPIO port A pin 7; 5V-tolerant
18 PB0 bidirectional GPIO port B pin 0; 5V-tolerant
19 PB1 bidirectional GPIO port B pin 1; 5V-tolerant
20 PB2 bidirectional GPIO port B pin 2 or BOOT1; 5V-tolerant
21 PB10 bidirectional GPIO port B pin 10; 5V-tolerant
22 PB11 bidirectional GPIO port B pin 11; 5V-tolerant
23 VSS_1 power_in Ground reference
24 VDD_1 power_in Power supply; operating range 2.0 to 3.6 V
25 PB12 bidirectional GPIO port B pin 12; 5V-tolerant
26 PB13 bidirectional GPIO port B pin 13; 5V-tolerant
27 PB14 bidirectional GPIO port B pin 14; 5V-tolerant
28 PB15 bidirectional GPIO port B pin 15; 5V-tolerant
29 PA8 bidirectional GPIO port A pin 8; 5V-tolerant
30 PA9 bidirectional GPIO port A pin 9; 5V-tolerant
31 PA10 bidirectional GPIO port A pin 10; 5V-tolerant
32 PA11 bidirectional GPIO port A pin 11; 5V-tolerant
33 PA12 bidirectional GPIO port A pin 12; 5V-tolerant
34 PA13 bidirectional GPIO port A pin 13 or JTMS-SWDIO; 5V-tolerant
35 VSS_2 power_in Ground reference
36 VDD_2 power_in Power supply; operating range 2.0 to 3.6 V
37 PA14 bidirectional GPIO port A pin 14 or JTCK-SWCLK; 5V-tolerant
38 PA15 bidirectional GPIO port A pin 15 or JTDI; 5V-tolerant
39 PB3 bidirectional GPIO port B pin 3 or JTDO; 5V-tolerant
40 PB4 bidirectional GPIO port B pin 4 or JNTRST; 5V-tolerant
41 PB5 bidirectional GPIO port B pin 5; standard I/O
42 PB6 bidirectional GPIO port B pin 6; 5V-tolerant
43 PB7 bidirectional GPIO port B pin 7; 5V-tolerant
44 BOOT0 input Boot mode selection input; logic 0 selects boot from flash, logic 1 selects boot from system memory
45 PB8 bidirectional GPIO port B pin 8; 5V-tolerant
46 PB9 bidirectional GPIO port B pin 9; 5V-tolerant
47 VSS_3 power_in Ground reference
48 VDD_3 power_in Power supply; operating range 2.0 to 3.6 V

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-48(7x7)
Category Embedded Processors & Controllers
Pins 48

CAD (KiCad official)

  • Symbol: STM32F101C8T6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32f101c8t6-etched.step / stm32f101c8t6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f101c8t6.step / stm32f101c8t6.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 2026-10-01, 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