Renesas R5S72621 User Manual

Page of 2152
 
Section 23   CD-ROM Decoder 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1225 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
23.3.30
  Post-ECC Correction Header: Seconds Data Register (HEAD21) 
The post-ECC correction header: seconds data register (HEAD21) indicates the seconds value in 
the header after ECC correction. 
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:
HEAD21[7:0]
 
 
Bit Bit 
Name 
Initial 
Value R/W 
Description 
7 to 0 
HEAD21 
[7:0] 
All 0 
Seconds Value in Header After ECC Correction 
When MSF_LBA_SEL = 1, this register indicates the 
second byte of the total number of sectors calculated 
from M, S, and F. 
 
23.3.31
  Post-ECC Correction Header: Frames (1/75 Second) Data Register (HEAD22) 
The post-ECC correction header: frames (1/75 second) data register (HEAD22) indicates the 
frames value (1 frame = 1/75 seconds) in the header after ECC correction. 
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:
HEAD22[7:0]
 
 
Bit Bit 
Name 
Initial 
Value R/W 
Description 
7 to 0 
HEAD22 
[7:0] 
All 0 
Frames Value in Header After ECC Correction 
When MSF_LBA_SEL = 1, this register indicates the 
third byte of the total number of sectors calculated from 
M, S, and F.