FEATURES? Only 47 single word instructions? All instructions are single cycle except for program branches whICh are two-cycle? 13-bit wide instructions? All ROM/EPROM area GOTO/FGOTO instruction? All ROM/EPROM area subroutine CALL/FCALL instruction? 8-bit wide data path? 5-level deep hardware stack? 4K x 13 bits on chip EPROM/ROM? 144 x 8 bits on chip general purpose registers (SRAM)? Operating speed: DC-20 MHz clock inputDC-100 ns instruction cycle? Direct, indirect addressing modes for data accessing? 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler? Internal Power-on Reset (POR)? Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR)? Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST)? On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dogenable/disable control? Three I/O ports IOA, IOB and IOC with independent direction control? Soft-ware I/O pull-high/pull-down or open-drain control? One internal interrupt source: Timer0 overflow; Two external interrupt source: INT0 pin, INT1 pin? Wake-up from SLEEP by Port B/IOC4/IOC5 input falling? Power saving SLEEP mode? Programmable Code Protection? Selectable oscillator options:- ERC: External Resistor/Capacitor Oscillator- XT: Crystal/Resonator Oscillator- HF: High Frequency Crystal/Resonator Oscillator- LF: Low Frequency Crystal Oscillator? Wide-operating voltage range:- EPROM : 2.3V to 5.5V- ROM : 2.3V to 5.5V