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NT7603H-BDB01

Single-Chip 16C X 2L Dot-Matrix LCD Controller / Driver

Novatek Microelectronics 

NT7603

Single-Chip 16C X 2L Dot-Matrix LCD Controller / Driver

Features

! Internal LCD drivers

16 common signal drivers

80 segment signal drivers

! Maximum display dimensions

16 characters X 2 lines or

32 characters X 1 line

! Interfaces with 4-bit or 8-bit MPU

! Versatile display functions provided on chip:

Display Clear, Cursor Home, Display ON/OFF,

Cursor ON/OFF, Character Blinking, Cursor

Shift, and Display Shift

! Three duty factors, selected by PROGRAM:

1/8, 1/11, and 1/16

! Displays Data RAM (DD RAM): 80 X 8 bits

(Displays up to 80 characters)

! Character Generator RAM (CG RAM):

64 X 8 bits for general data,

8 5 X 8 programmable dot patterns, or

4 5 X 10 programmable dot patterns

! Low voltage reset

! ITO option for A-type and B-type LCD waveform

General Description

The NT7603 is a dot matrix LCD controller and driver LSI that

can operate with either a 4-bit or an 8-bit microprocessor

(MPU). The NT7603 receives control character codes from

the MPU, stores them in an internal RAM (up to 80

characters) before transforming each character code into a 5

X 7, 5 X 8, or 5 X 10 dot matrix character pattern and then

displaying the codes on the LCD panel. The built-in

Character Generator ROM consists of 256 different

character patterns.

! Character Generator ROM (CG ROM):

2 kinds of CG ROM sizes:

192 characters:

160

5 X 8 dot patterns

32

5 X 10 dot patterns

240 characters:

192

5 X 8 dot patterns

48

5 X 10 dot patterns

Custom CG ROM is also available

! Built-in power-on reset function

! Logic power supply: 2.8V ~ 5.5V

! LCD driver power supply: V1 ~ V5

(VDD + 0.3 - VDD - 7.0), divided by Built-in LCD power

division resister.

! Two oscillator operations

(Freq. = 500KHz - 540KHz):

• Built-in RC oscillation

• External clock

! CMOS Process

! Available in COG FORM

The NT7603 also contains Character Generator RAM where

the user can store 8 different character patterns at run time.

These memory features make the character display flexible.

NT7603 also provides many display instructions to achieve

versatile LCD display functions. The NT7603 is fabricated on

a single LSI chip using the CMOS process, resulting in very

low power requirements.

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