Document
LM24080BCW-1
LCD Module User Manual
Prepared by: Liuweilin
Date: 2012-04-07
Checked by: Date:
Approved by: Date:
Rev. 0.1 0.2 0.3 0.4
0.5
Descriptions
New release Revise D/C description on 1.4 Terminal Functions Revise Pin name on 1.4 Terminal Functions Revise Backlight power supply on 3.2 LED Backlight Circuit Characteristics and Terminal Descriptions on 1.4 Terminal Functions Update Interfacing Setting
Release Date 2009-11-24 2009-12-08 2010-04-03 2010-04-16
2012-04-07
URL: www.topwaydisplay.com www.topwaysz.com
Document Name: L M24080BCW-1-Manual-Rev0.5 Page: 1 of 10
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Table of Content
LCD Module User Manual
LM24080BCW-1
1. Basic Specifications................................................................................................................ 3
1.1 Display Specifications3 1.2 Mechanical Specifications 3 1.3 Block Diagram3 1.4 Terminal Functions 4 2. Absolute Maximum Ratings.................................................................................................... 5
3. Electrical Characteristics........................................................................................................ 5
3.1 DC Characteristics 5 3.2 LED Backlight Circuit Characteristics5 3.3 AC Characteristics 6 3.4 Reset Timing 6 4. Function Specifications .......................................................................................................... 7
4.1 Resetting the LCD module 7
4.2 Interfacing Setting 7
4.3 Character ROM
7
4.4 Display Pixel Map(example) 8
4.5 Control Data and Command 9
4.6 Command Summary 9
5. Design and Handling Precaution ......................................................................................... 10
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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, Transflective : Display Data = “1” : Dark Gray (*1) : Display Data = “0” : Light Gray (*2) : 6H : 1/80 duty, 1/10 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
: 130.0 x 65.0 x 11.5 MAX. see attached Outline Drawing for details
1.3 Block Diagram
LM24080BCW-1
BLA
VSS Backlight Circuit
240 x 80 pixels LCD Panel
VDD VSS E,R/W,D/C, /CS0,/RST DB2,DB4~DB7 DB0 DB1 DB3
/CS1
UC1698 or equivalent
Char ROM
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LCD Module User Manual
LM24080BCW-1
1.4 Terminal Functions
Pin Pin No. Name
I/O
8-bit parallel 68mode
Descriptions
Display
8-bit parallel 80mode
1 VSS Power 0V Power Supply, GND
2 VDD Power Positive Power Supply
3 NC
- No connection,leave open
4 D/C
Input Register Select
D/C=HIGH: data on DB0 to DB7 is display data
D/C=LOW: data on DB0 to DB7 is command data
5 R/W
Input In read mode
Write enable
R/W = H; Data read form LCD
module, data appears
at DB0
– DB7 and can be read by the host
input, active LOW
while, E = H and the device is
being selected
In write mode
R/W = L; Data write to the LCD
6E
Input
module, data appears at DB0 – DB7 will be written into the LCD module
at E = HÆL and device is being
Read enable input, active LOW
selected
7 DB0
IO 8-bit bi-directional data bus
Serial 4wire 3wire
pull down pull down
Serial clock input
8 DB1
Serial data input
9 DB2 10 DB3
IO IO
pull up or pull down
11 DB4 :: 14 DB7 15 /CS0
IO
Input
Chip Select Signal
/CS=L: Data IO is enabled
16 /RST 17 /CS1
Input Input
Reset Signal:
/RST = L, Reset the LCD Module /RST = H, Normal Running
Chip Select Signal
/CS1=H,Char Rom not selected
18 NC
- No connection,leave open
19 NC
- No connection,leave open
20 BLA
Power Positive Power Supply for LED backlight
note:
*1. The LCM Fixed to 68 mode by default ,could been changed to serial and 80 mode by
changing jumpers
Char Rom
-
-
serial data input serial
clock input -
serial data output -
/CS0=H,
controller not selected
-
/CS1=L, Char Rom selected
-
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LCD Module User Manual
LM24080BCW-1
2. Absolute Maximum Ratings
Items
Symbol
Min.
Max. Unit Condition
Supply Voltage Input Voltage
VDD
-0.3
+3.6
V VSS = 0V
VIN
-0.3
VDD+0.3
V VSS = 0V
Operating Temperature
TOP
-20 +70 °C No Condensation
Storage Temperature
Cautions:
TST
-30 +80 °C No Condensation
Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
3. Electrical Characteristi.