Document
LM320240CCW
LCD Module User Manual
Shenzhen TOPWAY Technology Co., Ltd.
Rev. Descriptions 0.1 New release
URL: www.topwaydisplay.com www.topwaysz.com
Release Date 2008-04-21
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Table of Content
LCD Module User Manual
LM320240CCW
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.......................................................................................................................................... 7 4. Function Specifications .......................................................................................................... 8 4.1 Adjusting the Display Contrast .............................................................................................................. 8 4.2 Resetting the LCD module..................................................................................................................... 8 4.3 Jumper Functions .................................................................................................................................. 8 4.4 Display Pixel Map .................................................................................................................................. 8 4.5 Command Summary.............................................................................................................................. 9 4.6 Initialization Setting Example............................................................................................................... 10 5. Design and Handling Precaution ......................................................................................... 11
URL: www.topwaydisplay.com www.topwaysz.com
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LCD Module User Manual
1. Basic Specifications
1.1 Display Specifications
1) LCD Display Mode 2) Display Color
3) Viewing Angle 4) Driving Method 5) Backlight
: FSTN, Positive, Transmissive : Display Data = “1” : Dark Gray (*1) : Display Data = “0” : Light Gray (*2) :6H : 1/240 duty, 1/14 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
1.2 Mechanical Specifications
1) Outline Dimension
: 143.0 x 96.8 x 11.4 MAX. see attached Outline Drawing for details
1.3 Block Diagram
BLA Backlight Circuit
LM320240CCW
COM1 :
COM240
320 x 240 pixels LCD Panel
COM Driver
SEG1 :
SEG160 SEG161
: SEG320
VSS VDD VOUT, V0
/WR, /RD, /CS, A0, /RES DB0~DB7
Power & Booster
Circuit
SEG Driver
SEG Driver
S1D13700 or equivalent
URL: www.topwaydisplay.com www.topwaysz.com
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LCD Module User Manual
LM320240CCW
1.4 Terminal Functions
Pin Pin No. Name
I/O
1
VSS
Power
2
VDD
Power
3 V0 Input
4 /WR Input
5 /RD Input
6 /CS Input
7 A0 Input
8 /RES Input
9 DB0
I/O
::
16 DB7
17 BLA Power
18 VOUT Power
Descriptions
0V Power Supply, GND Positive Power Supply LCD Contrast Reference Input Write enable input, active LOW Read enable input, active LOW Chip Select Signal
/CS=LOW: Data IO is enabled
Data Type Select
A0=H: command write, display data or cursor add read A0=L: status flag read, display data or parameter write
Reset Signal:
/RES = L, Reset the LCD Module /RES = H, Normal Running
8-bit bi-directional data bus
Backlight Supply Power Booster Output for V0
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LCD Modul.