The followings are some of the features on the
hardware and software :
Fully COMS static design
8-bit data bus
On chip EPROM size : 1 K words
Internal RAM size : 41 bytes
36 single word instructions
14-bit instructions
2-level stacks
Operating voltage : 2.5 V ~ 5.0 V
Operating frequency : 4 MHz or 8 MHz
The most fast execution time is 500 ns under 8
MHz in all single cycle instructions except the
branch instruction
Addressing modes include direct, indirect and
relative addressing modes
Power-on Reset
Sleep Mode for power saving
Oscillator mode:
INTRC－Internal 4/8 MHz RC oscillator
Power on start-up time : 20 ms
8-bit real time clock/counter(RTCC) with 8-bit
programmable prescaler
On-chip RC oscillator based Watchdog
Timer(WDT)
Wake-up from sleep on pin change