1. 8-bit single chip microcomputer TLCS-870/C series - Instruction execution time : (1) 0.25 µs (at 16 MHz) (2) 122 µs (at 32.768 kHz) - 132 types & 731 basic instructions 2. 24interrupt sources (External : 5 Internal : 19) 3. Input / Output ports (56 pins) Large current output: 13pins (Typ. 20mA), LED direct drive 4. Watchdog Timer 5. Prescaler - Time base timer - Divider output function 6. 16-bit timer counter: 1 ch - Timer, External trigger, Window, Pulse width measurement, Event counter, Programmable pulse generate (PPG) modes