FEELING

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 input
DC-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-dog
enable/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