Overview

The LC75821E and LC75821W are general-purpose LCD display drivers that can be used for frequency display in microprocessor-controlled radio receivers and in other display applications.

Features

• 53 segment outputs (the maximum for static drive)

• Two drive types: static (1/1) duty (53 segments) and 1/2

duty (104 segments)

• Data input: 3 serial input pins

• INH pin for turning off all display output

• The difference form the LC7582: The LC75821E,

LC75821W are A/D converter, DSP function-removed

versions of the LC7582 of which the functions other

than the two can be used with pin compatibility with

the LC7582 kept.