WRITE DELETED DATA
DATA BUS
PHASE
R/W D7
D6
D5 D4 D3
D2
D1
D0
REMARKS
Command
W
W
W
MT MFM
0
0
0
0
1
0
0
0
1
Command Codes
0
0
HDS DS1 DS0
C
Sector ID information prior
to Command execution.
W
W
W
W
W
W
H
R
N
EOT
GPL
DTL
Execution
Result
Data transfer between the
FDD and system.
R
ST0
Status information after
Command execution.
R
R
R
ST1
ST2
C
Sector ID information after
Command execution.
R
R
R
H
R
N
READ A TRACK
DATA BUS
PHASE
Command
R/W D7
D6
MFM
0
D5 D4 D3
D2
0
D1
1
D0
0
REMARKS
Command Codes
W
W
W
0
0
0
0
0
0
0
0
HDS DS1 DS0
C
Sector ID information prior
to Command execution.
W
W
W
W
W
W
H
R
N
EOT
GPL
DTL
Execution
Result
Data transfer between the
FDD and system. FDC
reads all of cylinders'
contents from index hole
to EOT.
R
ST0
Status information after
Command execution.
R
R
R
ST1
ST2
C
Sector ID information after
Command execution.
R
R
R
H
R
N
SMSC DS – LPC47M14X
Page 45
Rev. 03/19/2001
SMSC [ SMSC CORPORATION ]
