Max Operating Temperature 85°C
Min Operating Temperature -45°C
Operating Supply Voltage 5V
Interface I2C, UART
Memory Size 2kB
Power Dissipation-Max 1.5W
RAM Size 128B
Memory Type EPROM
Frequency (Max) 20MHz
Watchdog Timer Yes
Data Bus Width 8b
Number of Timers/Counters 2
Core Architecture 80C51
Number of Programmable I/O 18