SED1374 Datasheet, PDF (76/420 Pages) Epson Company – SED1374 Embedded Memory Color LCD Controller

Page 68
Epson Research and Development
Vancouver Design Center
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
bits 7-0
Scratch Pad Register
This register contains general use read/write bits. These bits have no effect on hardware.
REG[1Bh] SwivelView Mode Register
Address = FFFBh
SwivelView SwivelView
Mode Enable Mode Select
n/a
n/a
Read/Write
SwivelView SwivelView
n/a
reserved
Mode Pixel Mode Pixel
Clock Select Clock Select
Bit 1
Bit 0
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.
Table 8-8: Selection of SwivelView Mode
SwivelView SwivelView
Mode Enable Mode Select
(REG[1Bh] bit 7) (REG[1Bh] bit 6)
0
X
1
0
1
1
Mode
Landscape
Default SwivelView
Alternate SwivelView
bit 2
bits 1-0
reserved
reserved bits must be set to 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.
SED1374
X26A-A-001-02
Hardware Functional Specification
Issue Date: 99/04/29