TOPWAY

LCD Module User Manual

LM240120GCW

www.topwaysz.com

Document Name: LM240120GCW-Manual-Rev0.1.DOC

Page: 2 of 11

Table of Content

1.

Basic Specifications................................................................................................................ 3

1.1

Display Specifications ............................................................................................................................................ 3

1.2

Mechanical Specifications ...................................................................................................................................... 3

1.3

Block Diagram........................................................................................................................................................ 3

1.4

Terminal Functions................................................................................................................................................. 4

2.

Absolute Maximum Ratings.................................................................................................... 5

3.

Electrical Characteristics........................................................................................................ 5

3.1

DC Characteristics ................................................................................................................................................. 5

3.2

LED Backlight Circuit Characteristics..................................................................................................................... 5

3.3

AC Characteristics ................................................................................................................................................. 6

4.

Function specifications........................................................................................................... 8

4.1

Adjusting the Display Contrast ............................................................................................................................... 8

4.2

Resetting the LCD module ..................................................................................................................................... 8

4.3

Display Commands ................................................................................................................................................ 9

5.

Design and Handling Precaution ......................................................................................... 11