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

RTC (can be used as a free running counter)

Timer B1 (8-bit timer)

Timer V (8-bit timer)

Timer W (16-bit timer)

Timer Z (16-bit timer)

14-bit PWM

Watchdog timer

SCI3 (Asynchronous or clocked synchronous serial communication interface) × 3 channels

I2C bus interface 2 (conforms to the I2C bus interface format that is advocated by Philips

Electronics)

10-bit A/D converter

POR/LVD (Power-on reset and low voltage detection circuit)

• On-chip memory

• General I/O ports

― I/O pins: 59 I/O pins, including 13 large current ports (IOL = 20 mA, @VOL = 1.5 V)

― Input-only pins: 8 input pins (also used for analog input)

• Supports various power-down modes

• Compact package