Features
1. 8-bit single chip microcomputer TLCS-870/C series
    - Instruction execution time : 0.25 µs (at 16 MHz) 122 µs (at 32.768 kHz)
    - 132 types & 731 basic instructions
2. 18interrupt sources (External : 5 Internal : 13)
3. Input / Output ports (I/O : 32 pins Output : 1 pin) Large current output: 3pins (Typ. 20mA), LED direct drive
4. Watchdog Timer
5. Prescaler
    - Time base timer
    - Divider output function
6. 18-bit Timer/Counter : 1ch
    - Timer Mode
    - Event Counter Mode
    - Pulse Width Measurement Mode
    - Frequency Measurement Mode
7. 8-bit timer counter : 2 ch
    - Timer, Event counter, Programmable divider output (PDO), Pulse width modulation (PWM) output, Programmable pulse generation (PPG) modes
8. 8-bit UART : 1 ch
9. 8-bit SIO: 1 ch
10. 8-bit successive approximation type AD converter (with sample hold) Analog inputs: 4ch
11. Key-on wakeup : 1 ch
12. LCD driver/controller
    - LCD direct drive capability (MAX 23 seg × 4 com)
    - 1/4,1/3,1/2duties or static drive are programmably selectable
13. Clock operation
    Single clock mode
    Dual clock mode
14. Low power consumption operation
15. Wide operation voltage:
    4.5 V to 5.5 V at 16MHz /32.768 kHz
    2.7 V to 5.5 V at 8 MHz /32.768 kHz
    1.8 V to 5.5 V at 4.2MHz /32.768 kHz