Document
LM2088ECW-C
LCD Module User Manual
Prepared by: Chen Rili
Date: 2018-05-28
Checked by: Date:
Approved by: Date:
Rev.
0.1 0.2 0.3
Descriptions
New release Update DC Characteristics Update DC Characteristics
URL: www.topwaydisplay.com www.topwaysz.com
Release Date
2008-10-08 2009-06-15 2018-05-28
Document Name: LM2088ECW-C-Manual-Rev0.3 Page: 1 of 13
TOPWAY
LCD Module User Manual
LM2088ECW-C
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 3.4 Reset Timing.......................................................................................................................................... 7 3.5 Touch screen controller timing diagram ................................................................................................ 8
4. Function 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 Touch screen controller command ...................................................................................................... 11 4.7 Initialization Setting Example............................................................................................................... 12
5. Design and Handling Precaution ........................................................................................ 13
URL: www.topwaydisplay.com www.topwaysz.com
Document Name: LM2088ECW-C-Manual-Rev0.3 Page: 2 of 13
TOPWAY
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
: 160.0 x 109.0 x 12.7 MAX. see attached Outline Drawing for details
1.3 Block Diagram
BLA BLK Backlight Circuit
LM2088ECW-C
320 x 240 pixels LCD Panel
COMMON Driver
VDD VOUT
V0 VSS
Booster & Power Circuit
/WR,/RD,A0, /CS,/RST DB0~DB7
DIN,DOUT DCLK ,CSTP,/IRQ
SEGMENT Driver
S1D13709 or equivalent
AD7843
or equivalent
SEGMENT Driver
URL: www.topwaydisplay.com www.topwaysz.com
Document Name: LM2088ECW-C-Manual-Rev0.3 Page: 3 of 13
TOPWAY
LCD Module User Manual
LM2088ECW-C
1.4 Terminal Functions
Pin No. K3 1
2 3 4
5
6 : 13 14 15 16 17 18 19 20 21 22 23
Pin Name /RST
/RD /WR /CS
A0
DB0 :
DB7 VDD VSS VOUT V0 DCLK DOUT DIN CSTP /IRQ BLA
I/O Input
Input Input Input Input
I/O
Descriptions
Reset Signal:
/RES = L, Reset the LCD Module /RES = H, Normal Running
Read enable input, active LOW Write enable input, active LOW Chip Select Signal
/CS=LOW: Data.