Renesas SH7781 User Manual
Page 883
19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 853 of 1658
REJ09B0261-0100
19.3.4
Display Unit Status Register Clear Register (DSRCR)
The display unit status register clear register (DSRCR) is a register which clears the various flags
in DSSR.
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
R
R
R
R
R
R
R
W
W
R
W
R
R
W
W
0
0
0
0
0
0
0
0
—
—
0
—
0
0
—
—
—
—
—
—
—
—
—
—
HBCL
RICL
—
VBCL
—
—
TVCL
FRCL
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 16
⎯ All
0
R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
15
TVCL
Undefined W
None
TV Synchronous Signal Error Flag Clear
0: The TVR flag in DSSR is not changed.
1: The TVR flag in DSSR is cleared to 0.
14
FRCL
Undefined W
None
Flame Flag Clear
0: The FRM flag in DSSR is not changed.
1: The FRM flag in DSSR is cleared to 0.
13, 12
⎯ All
0
R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
11
VBCL
Undefined W
None
Vertical Blanking Flag Clear
0: The VBK flag in DSSR is not changed.
1: The VBK flag in DSSR is cleared to 0.
10
⎯ 0 R
⎯ Reserved
This bit is always read as 0. The write value
should always be 0.