Renesas R5S72621 User Manual

Page of 2152
 
Section 27   Video Display Controller 3 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1593 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
27.7.16
  Graphics Block Control Registers (GRCMEN1 and GRCMEN2) 
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/W
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
R
R
R
R
R
R
R/W
R/W
WE
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DEN
VEN
Bit:
Initial value:
R/W:
Bit:
Initial value:
R/W:
 
 
Bit Bit 
Name 
Initial 
Value R/W Description 
31 
WE 
R/W 
Enables register value transfer. 
Writing 1 to this bit transfers the values of registers 
GRCMEN to GROPEDPHV (except GRCINTCNT) 
and GROPBASERGB in synchronization with 
Vsync. After register transfer is competed, this bit 
is cleared to 0. 
30 to 2 
 All 
Reserved 
These bits are always read as 0. The write value 
should always be 0. 
DEN 
R/W 
Enables display of the current layer (graphics 
image 1 for GRCMEN1 or graphics image 2 for 
GRCMEN2). 
0: Disabled 
1: Enabled 
VEN 
R/W 
Enables display of the lower layer (video input for 
GRCMEN1 or overlaid graphics image 1 and video 
input for GRCMEN2). 
0: Disabled 
1: Enabled