Renesas R5S72621 User Manual

Page of 2152
 
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 
R/W Description 
31 to 10 
 All 
Reserved 
These bits are always read as 0. The write value 
should always be 0. 
9 to 0 
GRA_VSYNC_ 
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.