LPC47M192-NW Standard Microsystems (SMSC), LPC47M192-NW Datasheet - Page 53

• Manufacturer Part Number: LPC47M192-NW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LPC47M192-NW

• Lead Free Status / RoHS Status: Compliant

SC is returned if the last command that was issued was the Format command. EOT is returned if the last command
was a Read or Write.
Note:
responsibility to maintain correspondence between these bits and the Drive Select pins (DOR).
SMSC DS – LPC47M192
These bits are used internally only. They are not reflected in the Drive Select pins. It is the user’s
Command
Command
Command
Command
Execution
PHASE
PHASE
PHASE
PHASE
PHASE
Result
Result
Result
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
LOCK
D7
D7
OW
D7
0
0
LOCK
D7
0
0
D7
0
MFM
D6
D6
D6
0
0
0
EIS EFIFO
D6
0
D6
DATASHEET
D5
0
0
SRT
D3
D5
D5
0
0
0
PERPENDICULAR MODE
Invalid Codes
DATA BUS
D5
D3
D5
D4
0
0
INVALID CODES
DATA BUS
D4
D2
D4
0
1
ST0
0
DATA BUS
DATA BUS
DUMPREG
Page 53
ST0
ST1
ST2
HLT
READ ID
D3
LOCK
POLL
C
H
R
N
LOCK
DATA BUS
D3
D1
D3
D4
D2
D4
1
0
0
PRETRK
1
SC/EOT
D2
HDS
D2
D0
D2
0
0
D3
D1
D3
0
0
D1
GAP
DS1
D2
D0
D1
D1
1
D2
1
1
0
D0
FIFOTHR
HUT
GAP
DS0
D1
D1
WGATE
D0
0
Invalid Command Codes
(NoOp – FDC goes into
Standby State)
ST0 = 80H
0
0
D0
0
D0
0
0
Commands
The first correct ID
information on the
Cylinder is stored in
Data Register
Status information after
Command execution.
Disk status after the
Command has
completed
WGATE
ND
D0
REMARKS
Command Codes
Command Codes
REMARKS
REMARKS
REMARKS
REMARKS
Rev. 03/30/05