1. Module introduction:

This module is the smallest system function board of STM32F103VET6. It integrates STM32F103VET6 minimum system circuit, 5V to 3.3V voltage regulator circuit, USB to TTL circuit, one-key download circuit for serial port, JTAG standard interface, LCD interface, OLED interface, SD card holder, buttons, status indicator and other peripherals. All GPIO ports of the MCU are led out (except PC14 and PC15), which is convenient for users to connect other peripheral modules.

2. Product features

System power supply: 5V (MiniUSB data cable is powered by P1 / P2)

MCU: STM32F103VET6, LQFP100 package.

FLASH: 512KB (large capacity product)

SRAM: 64KB

CPU frequency: up to 72MHz

GPIO ports: 80 (78 leads out, PC14, 15 are not led out)

Program download: One-key download of serial port + 20-pin JTAG interface download

Power consumption measurement: can measure the power consumption of the entire system or only the MCU

Peripheral interface: 2.8 / 3.2’LCD, 0.96’OLED (7Pin), SD card

3 Module interface pin function table