29 background plane output register (bpor) – Renesas SH7781 User Manual
Page 922
19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 892 of 1658
REJ09B0261-0100
Bit Bit
Name
Initial
Value R/W
Internal
Update Description
1, 0
⎯ All
0
R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
19.3.29
Background Plane Output Register (BPOR)
The background plane output register (BPOR) sets the color for display when there is no plane for
display, due to the display size or to a transparent color, etc. For detailed conditions, refer to
section 19.4.2, Display On/Off. The value is retained during power-on reset and manual reset.
R/W:
Internal update:
R/W:
Internal update:
16
17
18
19
20
21
22
23
24
25
26
27
28
29
31
30
Bit:
Initial value:
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
O
O
O
O
O
O
0
0
—
—
—
—
—
—
0
0
0
0
0
0
0
0
—
—
BPOR
—
—
—
—
—
—
—
—
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
R/W
R/W
R/W
R/W
R/W
O
O
O
O
O
O
O
O
O
O
O
O
0
0
—
—
—
—
—
—
0
0
—
—
—
—
—
—
—
—
BPOB
—
—
BPOG
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
Bit:
Initial value:
Bit Bit
Name
Initial
Value R/W
Internal
Update Description
31 to 24
⎯ All
0
R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
23 to 18 BPOR
Undefined R/W
Yes
Background Plane Output Red
The red-color display data to be output when
there is no plane for display should be set.
17, 16
⎯ All
0
R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
15 to 10 BPOG
Undefined R/W
Yes
Background Plane Output Green
The green-color display data to be output when
there is no plane for display should be set.