Main frequency 72MHz
256K Flash in the film, 48KSRAM
1 SPI LCD interface
1 reset button, 1 user button
2 user LEDs
Lead out SWD and serial port through pin arrangement
Introduce 45 IO ports
Working environment temperature -40~85°C
Recommend using 5V or USB to power the core board
Type C interface, directly connected to STM32 USB
2 * 4P pin arrangement, leading out SWD and serial port for easy debugging and printing
Main clock crystal oscillator 8MHz
RTC crystal oscillator 32.768KHz
LCD interface, SPI driver, equipped with multiple modules, FPC 10P, 0.5mm spacing
Reserved RTC battery holder solder pad, model: CR1220
2.54mm spacing, matched with gold-plated pins
Using SPI LCD interface driver, directly connected to FPC ribbon cable