Renesas R5S72621 User Manual

Page of 2152
 
Section 23   CD-ROM Decoder 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1197 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
23.3
 
Register Descriptions 
This module has the following registers.  
Table 23.1  Register Configuration 
Name Abbreviation R/W
Initial 
Value Address 
Access
Size 
Enable control register CROMEN 
R/W
H'00 
H'FFFF9000 
Sync code-based synchronization control 
register 
CROMSY0 R/W
H'89 
H'FFFF9001 
Decoding mode control register CROMCTL0 
R/W
H'82 
H'FFFF9002 
EDC/ECC check control register 
CROMCTL1 
R/W
H'D1 
H'FFFF9003 
Automatic decoding stop control register CROMCTL3 R/W
H'00 H'FFFF9005 8 
Decoding option setting control register CROMCTL4 
R/W
H'00 
H'FFFF9006 
HEAD20 to HEAD22 representation 
control register 
CROMCTL5 R/W
H'00 H'FFFF9007 8 
Sync code status register CROMST0 
H'00 
H'FFFF9008 
Post-ECC header error status register CROMST1 
R H'00 
H'FFFF9009 
Post-ECC subheader error status register
CROMST3 R  H'00 
H'FFFF900B 
Header/subheader validity check status 
register 
CROMST4 R  H'00 
H'FFFF900C 
Mode determination and link sector 
detection status register 
CROMST5 R  H'00 
H'FFFF900D 
ECC/EDC error status register CROMST6 
H'00 
H'FFFF900E 
Buffer status register 
CBUFST0 R H'00 
H'FFFF9014 
Decoding stoppage source status register
CBUFST1 
R H'00 
H'FFFF9015 
Buffer overflow status register CBUFST2 
H'00 
H'FFFF9016 
Pre-ECC correction header:  
minutes data register 
HEAD00 R 
H'00 
H'FFFF9018 
Pre-ECC correction header:  
seconds data register 
HEAD01 R 
H'00 
H'FFFF9019 
Pre-ECC correction header:  
frames (1/75 second) data register 
HEAD02 R 
H'00 
H'FFFF901A 
Pre-ECC correction header:  
mode data register 
HEAD03 R 
H'00 
H'FFFF901B