7 display plane priority register (dppr) – Renesas SH7781 User Manual
Page 889
19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 859 of 1658
REJ09B0261-0100
19.3.7
Display Plane Priority Register (DPPR)
The display plane priority register (DPPR) sets the priority order for combining planes and turns
the display on and off.
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/W
R/W
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
O
O
0
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
DPS5
DPE5
DPS6
DPE6
—
—
—
—
—
—
—
—
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
0
0
0
0
1
0
0
0
0
1
0
0
1
1
0
0
DPS1
DPE1
DPS2
DPE2
DPS3
DPE3
DPS4
DPE4
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
DPE6
0
R/W
Yes
Display Plane Priority 6 Enable
22 to 20 DPS6
101
R/W
Yes
Display Plane Priority 6 Select
1000: Selects and displays plane 1 in priority 6
1001: Selects and displays plane 2 in priority 6
1010: Selects and displays plane 3 in priority 6
1011: Selects and displays plane 4 in priority 6
1100: Selects and displays plane 5 in priority 6
1101: Selects and displays plane 6 in priority 6
1110: Setting prohibited
1111: Setting prohibited
0---: Priority 6 is not displayed