Renesas R5S72623 User Manual
Section 23 CD-ROM Decoder
Page 1224 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
23.3.28
Pre-ECC Correction Subheader: Data Type (Byte 23) Data Register (SHEAD07)
The pre-ECC correction subheader: data type (byte 23) data register (SHEAD07) indicates the
data type value in the subheader before ECC correction (byte 23).
data type value in the subheader before ECC correction (byte 23).
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:
SHEAD07[7:0]
Bit Bit
Name
Initial
Value R/W
Value R/W
Description
7 to 0
SHEAD07
[7:0]
[7:0]
All 0
R
Data Type Value in Subheader Before ECC Correction
(Byte 23)
For sectors not in Mode 2, this register contains the
byte of data at the corresponding position.
23.3.29
Post-ECC Correction Header: Minutes Data Register (HEAD20)
The post-ECC correction header: minutes data register (HEAD20) indicates the minutes value in
the header after ECC correction.
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:
HEAD20[7:0]
Bit Bit
Name
Initial
Value R/W
Value R/W
Description
7 to 0
HEAD20
[7:0]
[7:0]
All 0
R
Minutes Value in Header After ECC Correction
When MSF_LBA_SEL = 1, this register indicates the
first byte of the total number of sectors calculated from
M, S, and F.
M, S, and F.