Renesas R5S72621 User Manual
Section 23 CD-ROM Decoder
Page 1220 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
23.3.20
Pre-ECC Correction Header: Mode Data Register (HEAD03)
The pre-ECC correction header: mode data register (HEAD03) indicates the mode value in the
header before ECC correction.
header before 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:
HEAD03[7:0]
Bit Bit
Name
Initial
Value R/W
Value R/W
Description
7 to 0
HEAD03
[7:0]
[7:0]
All 0
R
Mode value in the header before ECC correction
23.3.21
Pre-ECC Correction Subheader: File Number (Byte 16) Data Register (SHEAD00)
The pre-ECC correction subheader: file number (byte 16) data register (SHEAD00) indicates the
file number value in the subheader before ECC correction (byte 16).
file number value in the subheader before ECC correction (byte 16).
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:
SHEAD00[7:0]
Bit Bit
Name
Initial
Value
Value
R/W Description
7 to 0
SHEAD00
[7:0]
[7:0]
All 0
R
Indicates file number value in the subheader before
ECC correction (byte 16).
For sectors not in Mode 2, this register contains the
byte of data at the corresponding position.