HD66420 Datasheet - Hitachi Semiconductor

HD66420 (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)

The HD66420 drives and controls a dot matrix graphic LCD(Liquid Crystal Display) using a bit-mapped method. It provides a highly flexible display through its on-chip display RAM, in which each two bits of data can be used to turn on or off one dot on LCD panel with four-level grey scale. A single HD.

HD66420 Features

* Built-in bit-mapped display RAM: 25.6kbits (160 × 80 × 2 bits) Grey scale display: PWM four-level grey scale can be selected from 32 levels Grey scale memory management: Packed pixel Partial display:

HD66420_HitachiSemiconductor.pdf