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