Document
LM2088ECW-9
LCD Module User Manual
Prepared by: Chen Rili
Date: 2017-08-31
Checked by: Date:
Approved by: Date:
Rev. Descriptions
0.1 New release
URL: www.topwaydisplay.com www.topwaysz.com
Release Date
2017-08-31
Document Name: LM2088ECW-9-Manual-Rev0.1.doc Page: 1 of 11
TOPWAY
LCD Module User Manual
LM2088ECW-9
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
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
Document Name: LM2088ECW-9-Manual-Rev0.1.doc Page: 2 of 11
TOPWAY
LCD Module User Manual
LM2088ECW-9
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 *3. Fine Contrast adjustment function is necessary in application design for optimal display result
1.2 Mechanical Specifications
1) Outline Dimension
: 160.0 x 109.0 x 11.2 MAX. see attached Outline Drawing for details
1.3 Block Diagram
BLA BLK Backlight Circuit
320 x 240 pixels LCD Panel
COMMON Driver
VDD VOUT
V0 VSS
Booster & Power Circuit
/WR,/RD,A0, /CS,/RST DB0~DB7 /WAIT
SEGMENT Driver
S1D13700 or equivalent
SEGMENT Driver
URL: www.topwaydisplay.com www.topwaysz.com
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1.4 Terminal Functions
LCD Module User Manual
LM2088ECW-9
Pin No.
K1&K4 K5
K3
Pin Name
I/O
Descriptions
1 1 15 VSS Power 0V Power Supply, GND
2 2 14 VDD Power Positive Power Supply
3 3 17 V0 Input LCD Contrast Reference Input
4 5 3 /WR Input Write enable input, active LOW
5 6 2 /RD Input Read enable input, active LOW
6 15 4 /CS Input Chip Select Signal
/CS=LOW: Data IO is enabled
7 4 5 A0 Input Data Type Select
A0=H: command write, display data or cursor add read
A0=L: status flag read, display data or parameter write
8 16 1 /RST Input Reset Signal:
/RES = L, Reset the LCD Module
/RES = H, Normal Running
9 7 6 DB0 I/O 8-bit bi-directional data bus
:::
:
16 14 13 DB7
17 -
- /WAIT O.