Renesas R5S72621 User Manual

Page of 2152
 
Section 27   Video Display Controller 3 
Page 1572 of 2108 
 
R01UH0134EJ0400  Rev. 4.00 
 
 Sep 
24, 
2014 
SH7262 Group, SH7264 Group
Bit Bit 
Name 
Initial 
Value R/W 
Description 
4 VIDEO_MODE 
R/W 
Specifies 
the operating mode for the video 
receiving block. 
0: Video recording mode 
(Be sure to set the EX_SYNC_MODE bit in the 
SGMODE register to 0) 
1: Video display mode 
(Be sure to set the EX_SYNC_MODE bit in the 
SGMODE register to 1) 
3, 2 
 All 
Reserved 
These bits are always read as 0. The write value 
should always be 0. 
1 VIDEO_DISP_
EXE 
R/W 
Enables the video supplying block operation. 
Setting to 1 starts video supply to the graphics 
blocks. The register setting is updated with the 
VSYNC timing. 
0: Disabled 
1: Enabled 
0 VIDEO_MAIN_
EXE 
R/W 
Enables the video receiving block operation. 
Setting to 1 starts video storing in the large-
capacity on-chip RAM or SDRAM. 
0: Disabled*
2
 
1: Enabled 
Notes:  1.  Operation of the video receiving and supplying blocks proceeds after bit 
VIDEO_DISP_EXE or VIDEO_MAIN_EXE, respectively, is set to 1, and detection of 
VSYCN. Operation stops when the protocol for the internal bus is ended after the 
corresponding bit has been cleared to 0. 
 
2.  To disable the video receiving block operation, please follow the procedure shown in 
section 27.10.1, The Procedure of Disabling the Video Receiving Block Operation.