INTRODUCTION

The NT7066U is a dot matrix LCD driver & controller LSI that is fabricated by low CMOS

technology.

FUNCTION

•Character type dot matrix LCD driver & controller

•Internal driver : 16 common and 40 segment signal output

•Display character format; 5 x 7 dots + cursor, 5 x 10 dots + cursor

•Easy interface with a 4 bit or 8 bit MPU

•Display character pattern: refer to table 2.

•5 x 7 dots format 208 kinds, 5 x 10 dots format: 32 kinds

•The special character pattern can be programmable by Character Generator RAM directly

•A customer character pattern can be programmable by mask option.

•Automatic power on reset function.

•It can drive a maximum 80 character by using the NT7065B or NT7063B type.

•It is possible to read both Character Generator and Display Data RAM from MPU.

FEATURES

•Internal Memory

-Character Generator ROM: 13200 bits

-Character Generator RAM: 320 bits

-Display Data RAM: 80 x 8bits for 80 digits

•Power Supply Voltage: 2.7V~5.5V

•LCD supply voltage 3~10V (VDD -V5)

•CMOS process

•1/8 duty, 1/11 duty or 1/16 duty: selectable

-(1/8 duty, 5 x 7 dots format 1 line; 1/11 duty, 5 x 10 dots format 1 line; 1/16 duty, 5x7

format 2 line)

•Bare chip, 80 QFP, 80 LQFP available