Features
• High-speed H8/300H central processing unit with an internal 16-bit architecture
    - Upward-compatible with H8/300 CPU on an object level
    - Sixteen 16-bit general registers
    - 62 basic instructions
• Various peripheral functions
    - Timer V (8-bit timer)
    - Timer W (16-bit timer)
    - Watchdog timer
    - SCI3 (Asynchronous or clocked synchronous serial communication interface)
    - 10-bit A/D converter
• On-chip memory
• General I/O ports
    - I/O pins: 26 I/O pins, including 5 large current ports (IOL = 20 mA, @VOL = 1.5 V)
    - Input-only pins: 4 input pins (also used for analog input)
• Supports various power-down modes
• Compact package