Renesas R5S72622 Manual Do Utilizador

 

Section 23   CD-ROM Decoder 

R01UH0134EJ0400  Rev. 4.00  

 

Page 1207 of 2108 

Sep 24, 2014 

 

 

 
SH7262 Group, SH7264 Group 

7 

 0  R/W 

Reserved 

The write value may be 0 or 1. When read, this bit has 

the value previously written to it. 

6 

LINK2 

0 

R/W 

Link Block Detection Condition 

0: The block is regarded as a link block when either run-

out 1 or 2 and both run-in 3 and 4 have been 
detected. 

1: The block is regarded as a link block when two out of 

run-out 1 and 2 and “link” have been detected.  

The condition for setting of the LINK_ON bit in 
CROMST5 is decoding of the link sector.  

5 

 0  R/W 

Reserved 

This bit is always read as 0. The write value should 
always be 0. 

4 

ER0SEL 

0 

R/W 

CD-ROM Data-Related Status Register Setting 
Condition 

0: Information is on the sector being decoded. 

1: Information is on the latest sector that has been 

buffered. 

This condition affects the information given by bits 5 to 
0 in the CROMST0 register, bits 7 to 1 in the 
CROMST4 and CROMST5 registers, and HEAD00 to 
HEAD02. 

3 

NO_ECC 

0 

R/W 

ECC correction mode when the result of the EDC check 
before ECC correction was ‘pass’ 

When this bit is set to 1, ECC correction is not 
performed if the result of pre-correction EDC checking 
is a ‘pass’, regardless of the results of syndrome 
calculation. 

2 to 0 

 All 

0 

R/W 

Reserved 

These bits are always read as 0. The write value should 
always be 0.