Renesas R5S72621 Manual Do Utilizador

 
Section 27   Video Display Controller 3 

Page 1594 of 2108 

 

R01UH0134EJ0400  Rev. 4.00 

 

 Sep 

24, 

2014 

SH7262 Group, SH7264 Group

0 

0 

Does not read image data 
from memory or process 
lower-layer display. 

Outputs the color specified in 
GROPBASERGB over the 
entire screen (negates the 
enable signal output).  

 

0 

1 

Does not read image data 
from memory but 
processes lower-layer 
display. 

Outputs only the lower layer 
(outputs the lower layer 
enable signal). 

Displays only the lower 
layer. 

1 

0 

Reads image data from 
memory but does not 
process lower-layer 
display. 

Outputs only the current 
layer (outputs the current 
layer enable signal). 

Displays only the current 
layer. 

1 

1 

Reads image data from 
memory and processes 
lower-layer display. 

Performs the specified 
processing for the current 
layer and lower layer and 
displays them (logically ORs 
the current layer and lower 
layer enable signals and 
outputs the result). 

Displays the current and 
lower layers. 

Note: When 

the 

 control area (specified by GROPEWH and GROPEDPHV) is larger than the 

graphics image area (specified by GROPSWH and GROPDPHV), only the lower layer is 
displayed. 

 

These bits should be set for each layer. When VEN = 0 in the upper layer, the graphics in 
the lower layer are not output.