Renesas SH7781 - Manual (Page 926)

19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 896 of 1658
REJ09B0261-0100
Bit Bit Name
Initial
Value R/W Internal
Update Description
14 to 12 PnSPIM 0 R/W Yes Plane n Super Impose Mode
000: Transparent color processing is performed
for plane n.
When plane n is in the transparent color,
the lower plane is displayed.
001: Blending of plane n and the lower plane is
performed.
When plane n is the transparent color
blending is not performed, and the lower
plane is displayed.
010: An EOR operation is performed on plane n
and the lower plane.
When plane n is the transparent color the
EOR operation is not performed, and the
lower plane is displayed.
011: Setting prohibited
100: Transparent color processing is not
performed for plane n.
Plane n is displayed.
101: Blending of plane n and the lower plane is
performed.
The transparent color specification for
plane n is ignored, and blending is
performed between all the pixels of plane n
and the lower plane.
110: An EOR operation is performed on plane n
and the lower plane.
The transparent color specification for
plane n is ignored, and EOR operation is
performed on all the pixels of plane n and
the lower plane.
111: Setting prohibited
11, 10
⎯ All
0 R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.