M054ZDN

SRAM 4K
Data Flash 4K
LDROM 4K
I/O 24
Timer 4*32-bit
UART 2
SPI 1
I2C 2
PWM 5*16-bit
ADC 5*12-bit
Status Mass Production
Comparator 4
ISP /ICP /IAP Yes
Operating Temp. Range (°C ) -40 to +85
IRC 22 MHz

The M051 series operates at 2. 5V ~ 5. 5V and - 40 ℃ ~ 105 ℃.