FEATURES
1. ROM: 1K x 14 bits OTP or 512 x 14 bits TTP™ (Two Time Programmable ROM)
2. RAM: 48 x 8 bits
3. STACK: 5 Levels
4. I/O port: One Bit programmable I/O port (Max. 6 pins)
5. Timer/Counter: One 8-bit timer/counter with pided by 1~256 pre-scale option
6. Watchdog Timer
? Clocked by built-in RC oscillator with 4 adjustable Reset/Interrupt Time
(103 ms/52 ms/26 ms/13 ms, @5V; 131 ms/66 ms/33 ms/16 ms, @3V)
? Watchdog timer can be disabled/enabled in STOP mode
7. Reset
? Power On Reset
? Watchdog Reset
? Low Voltage Reset
? External pin Reset
8. System Clock Mode
? Internal RC: 4/8 MHz
? External RC
9. 2-Level Low Voltage Reset: 2.0V/2.9V (Can be disabled)
10. Operation Voltage: Low Voltage Reset Level to 5.5V
11. I/O Port
? CMOS Output
? Pseudo-Open-Drain or Open-Drain Output
? Schmitt Trigger Input with/without pull-up resistor
12. Instruction set: 36 Instructions
13. Interrupt
? Two External Interrupt pins:
- One pin is falling edge triggered
- One pin is rising or falling edge triggered
? Timer0, Wake-up Timer Interrupt
14. Power Down Mode Support