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Contents

README

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STM32F031F6P7TR

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · TSSOP-20(4.4x6.4)

STM32F031F6P7TR from STMicroelectronics, in a TSSOP-20(4.4x6.4). 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 BOOT0 input Boot pin for selecting memory region (System, Flash, or SRAM) at startup; accepts 0-9V
2 PF0-OSC_IN bidirectional High-speed oscillator input for 4-32 MHz external crystal or clock source with 5V tolerance
3 PF1-OSC_OUT bidirectional High-speed oscillator output for 4-32 MHz external crystal with 5V tolerance
4 NRST bidirectional Device reset input/internal reset output with embedded weak pull-up resistor (25-55 kΩ) and 200 mV Schmitt hysteresis
5 VDDA power_in Analog power supply 2.4-3.6V for ADC, RC oscillators, and PLL; must always be ≥ VDD
6 PA0 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN0, RTC_TAMP2, timer and USART functions
7 PA1 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN1, timer, EVENTOUT and USART functions
8 PA2 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN2, timer and USART1_TX function
9 PA3 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN3, timer and USART1_RX function
10 PA4 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN4, SPI1_NSS/I2S1_WS, timer and USART functions
11 PA5 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN5, SPI1_SCK/I2S1_CK, and timer functions
12 PA6 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN6, SPI1_MISO/I2S1_MCK, timer and EVENTOUT functions
13 PA7 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN7, SPI1_MOSI/I2S1_SD, timer and EVENTOUT functions
14 PB1 bidirectional General-purpose I/O (3.3V TTa, ADC-capable) with ADC_IN9, timer and EVENTOUT functions
15 VSS power_in Analog and digital ground reference (0V); internally connects to VSSA
16 VDD power_in Digital power supply 2.0-3.6V for microcontroller core and I/O logic
17 PA9 bidirectional General-purpose I/O (5V-tolerant FTf, FM+ capable, 20 mA) with USART1_TX, TIM1_CH2 and I2C1_SCL functions
18 PA10 bidirectional General-purpose I/O (5V-tolerant FTf, FM+ capable, 20 mA) with USART1_RX, TIM1_CH3, TIM17_BKIN and I2C1_SDA functions
19 PA13 bidirectional Serial Wire Debug I/O pin (5V-tolerant FT) with internal pull-up; configured as SWDIO alternate function after reset
20 PA14 bidirectional Serial Wire Debug clock pin (5V-tolerant FT) with internal pull-down; configured as SWCLK alternate function after reset

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package TSSOP-20(4.4x6.4)
Category Embedded Processors & Controllers
Pins 20

CAD (KiCad official)

  • Symbol: STM32F031F6P7TR
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20(4.4x6.4) (KiCad packages3D, STEP)
  • 3D model files: stm32f031f6p7tr-etched.step / stm32f031f6p7tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f031f6p7tr.step / stm32f031f6p7tr.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (106 pp, sha256 36b17e3dce795273, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF