TOPWAY
LCD Module User Manual
LM240120HFW
4. Function specifications
4.1 Adjusting the Display Contrast
-
-
This LCD module equipped with latest digital contrast adjustment function.
Its display contrast could be adjusted by MCU command. (please see the command tables for
details)
-
It is recommended to provide a contrast adjustment interface for end-user, where the best
display result could meet the individual preference in mass production.
4.2 Resetting the LCD module
The LCD module should be initialized by using /RST terminal.
While turning on the VDD and VSS power supply, maintain /RST terminal at LOW level. After the
power supply stabilized, release the reset terminal (/RST=HIGH)
4.2.1 Display Memory Map
Page address
data
DB0
:
LCD Display (front view)
240x120 pixels
0
DB7
DB0
:
DB7
DB0
:
DB7
DB0
:
DB7
DB0
:
DB7
DB0
:
DB7
DB0
:
DB7
DB0
:
1
2
:
:
12
13
14
DB7
Column Address
0Fh
FEh
Note:
*1. MUX Rate, duty =1/120,Bias=1/11;
*2. SEG mirror, MX=0 (normal X direction)
*3. COM mirror, MY=1 (mirror Y direction)
URL: www.topwaydisplay.com
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Document Name: LM240120HFW-Manual-Rev0.2.DOC
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