CDU-541
CD-ROM
DRIVE
SCSI
INTERFACE
MANUAL
The
last
track
number
field
indicates
the
last
track
number
in
the
table
of
contents
before
the
lead-out
track
number.
The
track
number
field
indicates
the
track
number
for
the
CD
address
that
follows.
The
control
field
indicates
the
attributes
of
the
track.
These
are
defined
in
Table
5-24.
Table
5-24:
Definition
of
Control
Field
Bits
==============================================================================
Bit
o
1
2
3
equal
one
With
pre-emphasis
Digital
copy
permitted
Data
track
Four
channel
equal
zero
Without
pre-emphasis
Digital
copy
prohibited
Audio
track
Two
channel
==============================================================================
5.2.24.
READ
TOe
Command
==============================================================================
Bitl
Byte I
7
6
5
4
3
2
1
o
=============================================================================-
o 1
Operation
Code (43h)
-----1-----------------------------------------------------------------------
1 1
Logical
Uni t
Number
1
Reserved
1
MSF
1 Reserved
-----1-----------------------------------------------------------------------
2 1
Reserved
-----1-----------------------------------------------------------------------
3 1
Reserved
-----1-----------------------------------------------------------------------
4 1
Reserved
-----1-----------------------------------------------------------------------
5 I Reserved
6
Starting
Track
I
-----------------------------------------------------------------------1
7
(MSB)
1
Allocation
Length
-~-I
8
(LSB) 1
-----1-----------------------------------------------------------------------1
9 I
Control
Byte
:
==============================================================================
The
READ
TOC
command
requests
the
transfer
of
the
table
of
contents
(TOC)
data
to
the
initiator.
Basically,
this
command
is
the
same
as
TOC
READ
command
of
group
6,
the
format
of
returning
data
is
different.
The
TOC
data
between
the
starting
track
number and
the
lead
out
area
is
returned
by
the
specified
MSF
bit.
5-46
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