sed1374 ETC-unknow, sed1374 Datasheet - Page 90
sed1374
Manufacturer Part Number
sed1374
Description
Sed1374 Embedded Memory Color Lcd Controller
Manufacturer
ETC-unknow
Datasheet
1.SED1374.pdf
(420 pages)
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Page 82
12.2.1 How to Set Up Alternate SwivelView Mode
SED1374
X26A-A-001-02
The following describes the register settings needed to set up Alternate SwivelView Mode
for a 160x240x8 bpp image.
• Select Alternate SwivelView Mode:
• The display refresh circuitry starts at pixel “B”, therefore the Screen 1 Start Address
• The Line Byte Count Register for SwivelView Mode must be set to the image width in
• Panning is achieved by changing the Screen 1 Start Address register:
REG[1Bh] bit 7 = 1 and bit 6 = 1
register must be programmed with the address of pixel “B”, or
bytes, i.e.
• Increment the register by 1 to pan horizontally by one byte, e.g. one pixel in 8 bpp
• Increment the register by the value in the Line Byte Count register to pan vertically by
mode
one line, e.g. add A0h to pan by one line in the example above
Where bpp is bits-per-pixel and bpb is bits-per-byte.
REG 0Dh REG 0Ch
Where bpb is bits-per-byte and bpp is bits-per-pixel.
REG 1Ch
=
----------------------------------------- -
8bpb
160
=
=
=
=
AddressOfPixelB
AddressOfPixelA
AddressOfPixelA
AddressOfPixelA
8bpp
=
160
-------- -
1
=
160
+
+
+
9Fh
ByteOffset
160pixels
--------------------------------------------
=
A0h
8bpb
Epson Research and Development
8bpp
Hardware Functional Specification
–
1
Vancouver Design Center
Issue Date: 99/04/29
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