Renesas SH7781 用户手册
19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 867 of 1658
REJ09B0261-0100
19.3.12
Vertical Display End Register (VDER)
The vertical display end register (VDER) sets the vertical display end position. The value is
retained during power-on reset and manual reset.
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
R
R
R
R
R
O
O
O
O
O
O
O
O
O
O
—
—
—
—
—
—
—
—
—
—
0
0
0
0
0
0
VDE
—
—
—
—
—
—
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
Value R/W
Internal
Update Description
Update Description
31 to 10
⎯ All
0
R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
should always be 0.
9 to 0
VDE
Undefined R/W
Yes
Vertical Display End
The vertical display end position should be set in
raster line units.
raster line units.