Renesas R5S72621 Manual Do Utilizador

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Section 27   Video Display Controller 3 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1575 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
Bit Bit 
Name 
Initial 
Value R/W  Description 
16 INT_OF_EN 
0 R/W 
Enables 
output of overflow interrupts. 
0: Disabled 
1: Enabled 
15 to 13 
 All 
Reserved 
These bits are always read as 0. The write value 
should always be 0. 
12 V_PERIOD 
0 R/W*
3
 
Indicates the VSYNC cycle fluctuation status in the 
input video. 
0:  The VSYNC cycles in the input video are 
constant. 
1:  The VSYNC cycles in the input video are not 
constant. 
11 to 9 
 All 
Reserved 
These bits are always read as 0. The write value 
should always be 0. 
8 F_END 0 
R/W*
3
 
Indicates the status of writing one field of video 
data to the memory.*
1
 
0: Writing is in progress. 
1: Writing has been completed. 
7 to 5 
 All 
Reserved 
These bits are always read as 0. The write value 
should always be 0. 
4 UNDER_FLOW 
R/W*
3
 
Indicates the underflow status of the buffer used to 
read video data from the memory.*
1
 
0: No underflow has occurred. 
1: An underflow has occurred. 
3 to 1 
 All 
Reserved 
These bits are always read as 0. The write value 
should always be 0.