INSTRUCTION SET
Table 21 - Instruction Set
READ DATA
DATA BUS
PHASE
R/W
REMARKS
D7
D6
D5 D4 D3 D2 D1 D0
Command
W
W
W
MT MFM SK
0
0
0
0
1
1
0
Command Codes
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.
R
R
R
R
R
R
R
-------ST0 -------
-------ST1 -------
-------ST2 -------
--------C --------
--------H --------
--------R --------
--------N --------
Status information after
Command execution.
Sector ID information after
Command execution.
43
SMSC [ SMSC CORPORATION ]
