Overview
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 A (can be used as a time base for a clock)
   - Timer V (8-bit timer)
   - Timer W (16-bit timer)
   - Watchdog timer
   - SCI (Asynchronous or clocked synchronous serial communication interface)
   - I2C Bus Interface (conforms to the I2C bus interface format that is advocated by Philips Electronics)
   - 10-bit A/D converter
• General I/O ports
   - I/O pins: 29 I/O pins (27 I/O pins for H8/3694N), including 8 large current ports (IOL = 20 mA, @VOL = 1.5 V)
   - Input-only pins: 8 input pins (also used for analog input)
• EEPROM interface (only for H8/3694N)
 - I2C bus interface (conforms to the I2C bus interface format that is advocated by Philips Electronics)
• Supports various power-down modes