1/34, 1/36 DUTY LCD CONTROLLER/DRIVER

The µPD16675A is a driver containing a RAM capable of full-dot LCD display. A single µPD16675A IC chip can operate a full-dot (up to 128-by-32 dots) LCD and two-line (upper & lower) pictograph display.

This IC is ideal for Kanji character or Chinese character pagers, displaying 16-by-16 dots per character.

FEATURES

• LCD driver with built-in display RAM

• Can operate on a single 3-V power supply

• Booster circuit incorporated: Switchable between 2X & 3X

• Dot display RAM: 128 × 32 bits

• Pictographic display RAM (portion of two lines): 128 × 2 bits

• Pictographic display RAM duty changeable: 1/34 and 2/36 duties

• Output: 128 segments & 34 commons

• Data input based on serial & 4-/8-bit parallel switchover

• Split resistor incorporated

• Oscillation circuit incorporated