Table 39 - Skip Bit vs. Read Data Command
DATA ADDRESS
MARK TYPE
SK BIT VALUE
ENCOUNTERED
RESULTS
SECTOR CM BIT OF
READ?
ST2 SET?
DESCRIPTION OF RESULTS
0
0
1
1
Normal Data
Deleted Data
Normal Data
Deleted Data
Yes
No
Normal termination
Address not incremented Next
sector not searched for
Yes
Yes
No
Yes
No
Normal termination
Yes
Normal termination. Sector not
read (“skipped”)
Read Deleted Data
This command is the same as the Read Data command, only it operates on sectors that contain a Deleted Data
Address Mark at the beginning of a Data Field.
Table 40 describes the effect of the SK bit on the Read Deleted Data command execution and results.
Except where noted in Table 40 the C or R value of the sector address is automatically incremented (see Table 41).
Table 40 - Skip Bit vs. Read Deleted Data Command
DATA ADDRESS
MARK TYPE
RESULTS
ENCOUNTERED
SK BIT
VALUE
SECTOR CM BIT OF DESCRIPTION OF
READ?
ST2 SET?
RESULTS
0
Normal Data
Yes
Yes
Address not
incremented. Next
sector not
searched for.
Normal
0
1
Deleted Data
Normal Data
Yes
No
No
termination.
Normal
Yes
termination. Sector
not read
(“skipped”).
Normal
1
Deleted Data
Yes
No
termination.
SMSC DS – FDC37N769
Page 48 of 137
Rev. 12/21/2000
SMSC [ SMSC CORPORATION ]
