82091AA Datasheet, PDF (131/204 Pages) Intel Corporation – ADVANCED INTEGRATED PERIPHERAL (AIP)

82091AA
Phase R W
D7
Command W MT
W0
W
W
W
W
W
W
W
Execution
Result
R
R
R
R
R
R
R
Command W MT
W0
W
W
W
W
W
W
W
Execution
Result
R
R
R
R
R
R
R
D6
MFM
0
MFM
0
Table 24 FDC Command Set
Data Bus
D5 D4
D3 D2 D1
Read Data
SK 0
0
0
C
H
R
0
1
1
0 HDS DS1
N
EOT
GPL
DTL
ST 0
ST 1
ST 2
C
H
R
N
Read Deleted Data
SK 0
0
0
C
H
R
1
1
0
0 HDS DS1
N
EOT
GPL
DTL
ST 0
ST 1
ST 2
C
H
R
N
Remarks
D0
0 Command Codes
DS0
Sector ID
Information Prior to
Command
Execution
Data Transfer
Between the FDD
and System
Status Information
After Command
Execution
Sector ID
Information After
Command
Execution
0 Command Codes
DS0
Sector ID
Information Prior to
Command
Execution
Data Transfer
Between the FDD
and System
Status Information
After Command
Execution
Sector ID
Information After
Command
Execution
131