DESCRIPTION

The µ PD16682A is a LCD controller/driver that includes enough RAM capacity to drive full-dot LCD displays. Each chip can drive a full-dot LCD display consisting of up to 132 x 65 dots. This chip is suitable for cellular phones, Japanese or Chinese-language pagers, and other devices that display Japanese or Chinese characters using either 16 x 16 or 12 x 12 dots per character.

FEATURES

• LCD controller/driver with on-chip display RAM

• Able to operate using +3-V single power supply

• On-chip booster circuit: switchable between 3x and 4x modes

• RAM for dot displays: 132 x 65 bits

• Outputs : 132 segments, 65 commons

• Serial or 8-bit parallel data inputs (switchable between 80 and 68 series CPUs)

• On-chip divider resistor

• Selectable bias settings (can be set as 1/9 or 1/7 bias)

• On-chip oscillation circuit