9 horizontal display start register (hdsr) – Renesas SH7781 User Manual
Page 894

19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 864 of 1658
REJ09B0261-0100
19.3.9
Horizontal Display Start Register (HDSR)
The horizontal display start register (HDSR) sets the horizontal display start position. 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
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
—
—
—
—
—
—
—
—
—
0
0
0
0
0
0
0
HDS
—
—
—
—
—
—
—
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 9
⎯ All
0
R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
8 to 0
HDS
Undefined R/W
Yes
Horizontal Display Start
The horizontal display start position should be
set in dot clock units.