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LM2029 Datasheet

LCD Module


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LM2029
LCD Module User Manual
Shenzhen TOPWAY Technology Co., Ltd.
Rev.
0.1
0.2
0.3
Descriptions
New release
Typing Correction in 3.1 DC Characteristics
Typing Correction in 1.4 Terminal Function
URL: www.topwaydisplay.com
www.topwaysz.com
Release Date
2006-06-22
2006-09-28
2008-02-18
Document Name: LM2029-Manual-Rev0.3
Page: 1 of 12
Page 1

TOPWAY
Table of Content
LCD Module User Manual
LM2029
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
3.4 Reset Timing.......................................................................................................................................... 8
www.DataSheet44U. .coFmunction Specifications .......................................................................................................... 9
4.1 Adjusting the Display Contrast .............................................................................................................. 9
4.2 Resetting the LCD module– .................................................................................................................. 9
4.3 Jumper Functions .................................................................................................................................. 9
4.4 Display Pixel Map .................................................................................................................................. 9
4.5 Command Summary............................................................................................................................ 10
4.6 Initialization Setting Example............................................................................................................... 11
5. Design and Handling Precaution ......................................................................................... 12
URL: www.topwaydisplay.com
www.topwaysz.com
Document Name: LM2029-Manual-Rev0.3
Page: 2 of 12
Page 2

TOPWAY
LCD Module User Manual
1. Basic Specifications
1.1 Power Supply Highlight
- Logic Power Supply (VDD-VSS) : 3.0 ~ 5.0 V
- LED Backlight Supply (BLA-BLK) : 300mA (3.55V TYP.)
Note: Please see the “3. Electrical Characteristics” for details.
1.2 Display Specifications
1) LCD Display Mode
2) Display Color
3) Viewing Angle
www.DataSheet4U.com4) Driving Method
5) Backlight
: STN, Negative, Transmissive
: Display Data = “1” : Light Gray (*1)
: Display Data = “0” : Deep Blue (*2)
:6H
: 1/240 duty, 1/17 bias
: White LED backlight
Note:
*1. Color tone may slightly change by Temperature and Driving Condition.
*2. The Color is defined as the inactive / background color
1.3 Mechanical Specifications
1) Outline Dimension
: 166.0 x 109.0 x 11.2MAX
see attached Outline Drawing for details
1.4 Block Diagram
BLA
BLK Backlight Circuit
COM1
:
COM80
COM81
:
COM160
320 x 240 pixels
LCD Panel
LM2029
COM161
:
COM240
VDD
VSS Booster &
VOUT
Power Circuit
` V0
SEGMENT
SEGMENT
SEGMENT
SEGMENT
Driver
Driver
Driver
Driver
/WR,/RD,A0
DB0~DB7
/RES, /CS
SED1335
or equivalent
32k Byte
Display RAM
URL: www.topwaydisplay.com
www.topwaysz.com
Document Name: LM2029-Manual-Rev0.3
Page: 3 of 12
Page 3
Part Number LM2029
Manufactur Shenzhen
Description LCD Module
Total Page 12 Pages
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