S1D13704 Epson Electronics America, Inc., S1D13704 Datasheet - Page 271

• Manufacturer Part Number: S1D13704
• Description: LCD Controller
• Manufacturer: Epson Electronics America, Inc.

Epson Research and Development
Vancouver Design Center
Simple Display Driver Configuration
Windows® CE 3.x Display Drivers
Issue Date: 01/05/24
The following display driver configuration should work with most platforms running
Windows CE. This configuration disables the use of off-screen display memory and forces
the system to redraw the main display upon power-on.
1. This step disables the use of off-screen display memory.
2. This step causes the system to redraw the main display upon power-on. This step is
Edit the file x:\wince300\platform\cepc\drivers\display\S1D13704\sources and
change the line
CDEFINES=$(CDEFINES) -DEnablePreferVmem
to
#CDEFINES=$(CDEFINES) -DEnablePreferVmem
only required if display memory loses power when Windows CE is shut down. If dis-
play memory is kept powered up (set the S1D13704 in powersave mode), then the dis-
play data will be maintained and this step can be skipped.
Search for the file PROJECT.REG in your Windows CE directories, and inside
PROJECT.REG find the key PORepaint. Change PORepaint as follows:
“PORepaint”=dword:2
X26A-E-006-01
S1D13704
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