ARM Cortex M4
Zui operates at a high frequency of 100MHz, with zero waiting for memory access
FPU Floating Point Computing Unit

storage
512KB ROM flash program memory
128KB SRAM Static Random Access Memory
SPI Flash (solder mask)

Interface and buttons
USART x 3, I2C x 3, SPI x 5,USBFS x 1
ADC x 1(10),12S x 5,CRC x 1,TIM x 8
20 Pin 2.54mm spacing I/O interface x 2
4 Pin 2.54mm spacing SW debugging interface x 1
USBC (typeC) interface x 1
User key KEY (PAO) x 1
Reset button NRST x 1
BOOT0 button x 1

Clock and power supply:
3.3V-5V power input, 3.3V LDO MAX output current of 100mA
Using USB-C interface and diodes in series to prevent power backflow
25MHzpF high-speed crystal oscillator
32.768K 6pF low-speed crystal oscillator