LPC47M172-NR SMSC [SMSC Corporation], LPC47M172-NR Datasheet - Page 62
LPC47M172-NR
Manufacturer Part Number
LPC47M172-NR
Description
ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LPC47M172-NR.pdf
(227 pages)
- Current page: 62 of 227
- Download datasheet (2Mb)
Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
Note:
SMSC/Non-SMSC Register Sets (Rev. 02-27-04)
Command
Command
Command
Command
Execution
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.
These bits are used internally only. They are not reflected in the Drive Select pins. It is the user’s
responsibility to maintain correspondence between these bits and the Drive Select pins (DOR).
PHASE
PHASE
PHASE
PHASE
Result
Result
Result
R/W
R/W
R/W
R/W
W
W
W
W
W
R
R
R
R
R
R
R
R
R
D7
D7
OW
D7
0
0
LOCK
0
D7
0
MFM
D6
D6
D6
0
0
0
D6
DATASHEET
D5
0
0
D5
D3
D5
0
0
0
PERPENDICULAR MODE
Invalid Codes
DATA BUS
D5
D4
0
0
INVALID CODES
DATA BUS
D4
D2
D4
0
0
1
ST0
DATA BUS
DATA BUS
Page 62
ST0
ST1
ST2
READ ID
D3
LOCK
C
H
R
N
LOCK
D3
D1
D3
D4
1
0
0
1
D2
HDS
D2
D0
D2
0
0
D3
0
0
D1
GAP
DS1
D1
D1
1
D2
1
1
0
D0
DS0
D1
WGATE
D0
0
0
Invalid Command Codes
(NoOp – FDC goes into
Standby State)
ST0 = 80H
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
REMARKS
Command Codes
Command Codes
REMARKS
REMARKS
REMARKS
SMSC LPC47M172
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