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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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