Epson S1D13506 Technical Manual page 291

Epson Research and Development
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REG[046h] LCD Memory Address Offset Register 0
Bit 7 Bit 6
REG[047h] LCD Memory Address Offset Register 1
n/a n/a
SwivelView Enable
Bit 1
0
0
1
1
Programming Notes and Examples
Issue Date: 02/03/21
Table 9-1: SwivelView Enable Bits
SwivelView Enable
Bit 1
0
0
1
1
Bit 5 Bit 4
n/a n/a
The LCD Memory Address Offset Registers must be adjusted according to the desired
SwivelView rotation and color depth. Set the LCD Memory Address Offset Registers based
on the values provided for each color depth in the following table. Panel Width (PW) is the
horizontal panel size in pixels (i.e. for a 640x480 panel, PW is 640 regardless of the display
rotation).
Table 9-2: LCD Memory Address Offset Values
Display Rotated
Bit 0
0
1
0
1
SwivelView Enable Display Rotated
Bit 0 (degrees)
0
1
0
1
Bit 3 Bit 2
n/a Bit 10
0 degrees
90 degrees
180 degrees
270 degrees
0
90
180
270
Bit 1
Bit 9
Memory Address Offset Value
15/16 bpp
PW
1024
PW
1024
Page 57
Bit 0
Bit 8
8 bpp
PW ÷ 2
512
PW ÷ 2
512
S1D13506
X25B-G-003-04