M052LDN

SRAM 4K
Data Flash 4K
LDROM 4K
I/O 40
Timer 4*32-bit
UART 2
SPI 2
I2C 2
PWM 8*16-bit
ADC 8*12-bit
Status Mass Production
Comparator 4
ISP /ICP /IAP Yes
Operating Temp. Range (°C ) -40 to +85
IRC 22 MHz
EBI Yes

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