SH7785 Datasheet, PDF (940/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

19. Display Unit (DU)
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.
Bit: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
————————————————
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R R R R R R R R R R R R R R R R
Internal update:
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
————
PnWAMWY
Initial value: 0
0
0
0 ————————————
R/W: R R R R R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Internal update:
OOOOOOOOOOOO
Initial
Bit
Bit Name Value R/W
31 to 12 ⎯
All 0
R
11 to 0 PnWAMWY Undefined R/W
Internal
Update Description
⎯
Reserved
These bits are always read as 0. The write value
should always be 0.
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.
Rev.1.00 Jan. 10, 2008 Page 910 of 1658
REJ09B0261-0100