Renesas SH7781 用户手册

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页码 1692
19.   Display Unit (DU) 
Rev.1.00  Jan. 10, 2008  Page 903 of 1658 
REJ09B0261-0100 
 
19.3.36
  Plane n Display Position X Register (PnDPXR) (n 
= 1 to 6) 
The plane n display position X registers (PnDPXR, n = 1 to 6) set the horizontal start positions on 
the display monitor 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
R
R
R
R
O
O
O
O
O
O
O
O
O
O
O
 
 
 
 
 
0
0
0
0
0
PnDPX
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 11 
⎯ All 
⎯ Reserved 
These bits are always read as 0. The write value 
should always be 0. 
10 to 0 
PnDPX 
Undefined  R/W 
Yes 
Plane n Display Position X 
The horizontal start position on the display 
monitor of plane n should be set in dot clock 
units, taking as the origin the upper-left corner of 
the display monitor.