Renesas R5S72645 Manual Do Utilizador
Section 27 Video Display Controller 3
R01UH0134EJ0400 Rev. 4.00
Page 1621 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
27.7.37
Timing Control Register for Vertical Sync Signal for Graphics Image
(GRA_VSYNC_TIM)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
GRA_VSYNC_START[9:0]
Bit:
Initial value:
R/W:
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
Value
Value
R/W 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
GRA_VSYNC_
START[9:0]
START[9:0]
H'000
R/W
These bits specify in number of lines the interval
between the reference vertical sync signal and the
point where the vertical sync signal (VSYNC) for
graphics image is set to 1.
between the reference vertical sync signal and the
point where the vertical sync signal (VSYNC) for
graphics image is set to 1.