r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 939

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

19.3.42 Plane n Wrap Around Start Position Register (PnWASPR) (n = 1 to 6)
The plane n wrap-around start position registers (PnWASPR, n = 1 to 6) set the Y direction start
position of one wrap-around area of plane n. The value is retained during power-on reset and
manual reset.
Internal update:
Internal update:
Bit
31 to 14 ⎯
13 to 4
3 to 0
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
Bit Name
PnWASPY
⎯
31
15
—
—
R
R
0
0
30
14
—
—
R
R
0
0
Initial
Value
All 0
Undefined R/W
All 0
R/W
29
—
13
—
R
O
0
R/W
28
12
—
—
R
O
0
R/W
R
R
R/W
27
11
—
—
R
O
0
Internal
Update
⎯
Yes
⎯
R/W
26
10
—
—
O
R
0
R/W
25
—
PnWASPY
—
O
R
0
9
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Plane n Wrap Around Start Position Y
The Y direction start position of one wrap-
around area should be set with reference to the
address specified in PnDSA0R and PnDSA1R.
The start position can be set every 16 raster
lines.
Reserved
These bits are always read as 0. The write value
should always be 0.
R/W
24
—
—
R
O
0
8
R/W
23
—
—
R
O
0
7
Rev.1.00 Jan. 10, 2008 Page 909 of 1658
R/W
22
—
—
R
O
0
6
R/W
21
—
—
O
R
0
5
R/W
20
—
—
O
R
0
4
19. Display Unit (DU)
19
—
—
R
R
0
3
0
REJ09B0261-0100
18
—
—
R
R
0
2
0
17
—
—
R
R
0
1
0
16
—
—
R
R
0
0
0