Renesas SH7781 User Manual
Page 940
19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 910 of 1658
REJ09B0261-0100
19.3.43
Plane n Wrap Around Memory Width Register (PnWAMWR) (n
= 1 to 6)
The plane n wrap-around memory width registers (PnWAMWR, n = 1 to 6) set the wrap-around
Y-direction memory width for plane n. 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
R
R
R
R
R
R
R
R
R
R
R
R
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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
R
R
R
O
O
O
O
O
O
O
O
O
O
O
O
—
—
—
—
—
—
—
—
—
—
—
—
0
0
0
0
PnWAMWY
—
—
—
—
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 12
⎯ All
0
R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
11 to 0
PnWAMWY
Undefined R/W
Yes
Plane n Wrap Around Memory Width Y
The wrap-around Y-direction memory width
should be set in the range 240 to 4095 raster
lines, in raster line units.