Renesas R5S72621 User Manual

Page of 2152
 
Section 23   CD-ROM Decoder 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1217 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
23.3.15
  Decoding Stoppage Source Status Register (CBUFST1) 
The decoding stoppage source status register (CBUFST1) indicates that decoding/buffering has 
been stopped due to some errors. 
A bit in this register can only be set when the corresponding bit in the CROMCTL3 register is set 
to 1. 
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
Bit:
Initial value:
R/W:
BUF_ 
ECC
BUF_ 
EDC
-
BUF_ 
MD
BUF_ 
MIN
-
-
-
 
 
Bit Bit 
Name 
Initial 
Value R/W 
Description 
BUF_ECC  0 
Indicates that decoding and buffering have been 
stopped because of an error that is not correctable by 
using the ECC. 
BUF_EDC  0 
Indicates that decoding and buffering have been 
stopped because the post-correction EDC check 
indicated an error. 
 0  R 
Reserved 
This bit is always read as 0 and cannot be modified. 
BUF_MD 
Indicates that decoding and buffering have been 
stopped because the current sector is in a mode or form 
differing from that of the previous sectors. 
BUF_MIN
Indicates that decoding and buffering have been 
stopped because a non-sequential minutes, seconds, or 
frames (1/75 second) value has been encountered. 
2 to 0 
 All 
Reserved 
These bits are always read as 0 and cannot be 
modified.