Read
2.27Read Sub-Channel (42h)
Operation Code is (42h).
MSF
If “1”, the
Sub Q
The Sub Q bit set to one requests the target return the Q
Sub Channel Data Format
The Sub Channel Data Format Field specifies the returned Sub Channel Data. The format codes are listed below.
Track Number
The track number field specifies the track number from which the ISRC Code is transferred. This field must have the value between 01h and 63h (99 bcd), and is valid only when the Sub Channel Data Format field is 03h. In this case, the target returns the ISRC Code of the track if it is detected. In other cases (i.e. Sub Channel Data Format Field not equal to 03h), the drive will return Check Condition status if the Track Number Field is not equal to 00h. The sense key and additional sense code are set to ILLEGAL REQUEST/INVALID FIELD in CDB.
Allocation Length
The READ
Format Code |
| |
00h | : | Q |
01h | : | |
02h | : | Media Catalog Number (UPC/Bar Code) |
03h | : | Track International Standard Recording Code (ISRC) |
: | Reserved |
The returned
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