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Page 136 Epson Research and Development
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S1D13708 Hardware Functional Specification
X39A-A-001-02 Issue Date: 02/03/07
bit 6 Display Data Byte Swap
The display pipe fetches 32-bits of data from the display buffer. This bit enables byte 0 and
byte 1 to be swapped, and byte 2 and byte 3 to be swapped, before sending them to the
LCD display. If the Display Data Word Swap bit is also enabled, then the byte order of the
fetched 32-bit data is reversed.
Figure 8-1 Display Data Byte/Word Swap
Note
For further information on byte swapping for Big Endian mode, see Section 17, “Big-
Endian Bus Interface” on page 212.
bit 4 PIP
+
Window Enable
This bit enables the PIP
+
window within the main window used for the Picture-in-Picture
Plus feature. The location of the PIP
+
window within the landscape window is determined
by the PIP
+
Window X Position registers (REG[84h], REG[85h], REG[8Ch], REG[8Dh])
and PIP
+
Window Y Position registers (REG[88h], REG[89h], REG[90h], REG[91h]).
The PIP
+
window has its own Display Start Address register (REG[7Ch, REG[7Dh],
REG[7Eh]) and Memory Address Offset register (REG[80h], REG[81h]). The PIP
+
win-
dow shares the same color depth and SwivelView
TM
orientation as the main window.
Note
Picture-in-Picture Plus (PIP
+
) is not available when the Ink Layer is enabled (REG[C9h]
bit 0 = 1).
bits 1-0 SwivelView Mode Select Bits [1:0]
These bits select different SwivelView
TM
orientations:
Table 8-10: SwivelView
TM
Mode Select Options
SwivelView Mode Select Bits SwivelView Orientation
00 0° (Normal)
01 90°
10 180°
11 270°
byte 0
byte 1
byte 2
byte 3
32-bit display data
from display buffer
Byte Swap Word Swap
Data
Serialization
To LUT