Page 68
Epson Research and Development
Vancouver Design Center
S1D13704
Hardware Functional Specification
X26A-A-001-04
Issue Date: 01/02/08
bits 7-0
Scratch Pad Register
This register contains general use read/write bits. These bits have no effect on hardware.
bit 7
SwivelView Mode Enable
When this bit = 1, SwivelView Mode is enabled. When this bit = 0, Landscape Mode is
enabled.
bit 6
SwivelView Mode Select
When this bit = 0, Default SwivelView Mode is selected. When this bit = 1, Alternate
SwivelView Mode is selected. See Section 12, “SwivelView™” on page 79 for further
information on SwivelView Mode.
The following table shows the selection of SwivelView Mode.
bit 2
reserved
reserved bits must be set to 0.
bits 1-0
SwivelView Mode Pixel Clock Select Bits [1:0]
These two bits select the Pixel Clock (PCLK) source in SwivelView Mode - these bits
have no effect in Landscape Mode. The following table shows the selection of PCLK and
MCLK in SwivelView Mode - see Section 12, “SwivelView™” on page 79 for details.
REG[1Ah] Scratch Pad Register
Address = FFFAh
Read/Write
Scratch bit 7
Scratch bit 6
Scratch bit 5
Scratch bit 4
Scratch bit 3
Scratch bit 2
Scratch bit 1
Scratch bit 0
REG[1Bh] SwivelView Mode Register
Address = FFFBh
Read/Write
SwivelView
Mode Enable
SwivelView
Mode Select
n/a
n/a
n/a
reserved
SwivelView
Mode Pixel
Clock Select
Bit 1
SwivelView
Mode Pixel
Clock Select
Bit 0
Table 8-8: Selection of SwivelView Mode
SwivelView
Mode Enable
(REG[1Bh] bit 7)
SwivelView
Mode Select
(REG[1Bh] bit 6)
Mode
0
X
Landscape
1
0
Default SwivelView
1
1
Alternate SwivelView
*