S1D13742 Epson, S1D13742 Datasheet - Page 97

• Manufacturer Part Number: S1D13742
• Description: Mobile Graphics Engine
• Manufacturer: Epson

Epson Research and Development
Vancouver Design Center
16.4 270° SwivelView™
16.4.1 Register Programming
Hardware Functional Specification
Issue Date: 2007/09/18
physical memory
start address
Figure 16-3: Relationship Between The Screen Image and the Image Refreshed in 270° SwivelView.
image seen by programmer
= image in display buffer
C
A
SwivelView
window
The following figure shows how the programmer sees a 320x480 portrait image and how
the image is being displayed. The application image is written to the S1D13742 in the
following sense: A–B–C–D. The display is refreshed in the following sense: C-A-D-B.
There is no special programming requirements other than simply enabling the rotation
itself. All start addresses and Line Offset’s are automatically calculated by hardware.
320
D
B
Revision 6.01 - EPSON CONFIDENTIAL
display start address
(panel origin)
www.DataSheet.co.kr
image refreshed by the S1D13742
480
X63A-A-001-06
S1D13742
Page 97
Datasheet pdf - http://www.DataSheet4U.net/