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LPC47M14X 数据表(PDF) 49 Page - SMSC Corporation

部件名 LPC47M14X
功能描述  128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB
PDF  205 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

LPC47M14X 数据表(HTML) 49 Page - SMSC Corporation

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SMSC DS – LPC47M14X
Page 49
Rev. 03/19/2001
READ ID
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
MFM
0
0
1
0
1
0
Commands
W
0
0
0
0
0
HDS
DS1
DS0
Execution
The
first
correct
ID
information
on
the
Cylinder is stored in
Data Register
Result
R
ST0
Status information after
Command execution.
Disk status after the
Command has
completed
R
ST1
R
ST2
R
C
R
H
R
R
R
N
PERPENDICULAR MODE
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
0
0
1
0
0
1
0
Command Codes
OW
0
D3
D2
D1
D0
GAP
WGATE
INVALID CODES
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
Invalid Codes
Invalid
Command
Codes
(NoOp - FDC goes into Stand-
by State)
Result
R
ST0
ST0 = 80H
LOCK
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
LOCK
0
0
1
0
1
0
0
Command Codes
Result
R
0
0
0
LOCK
0
0
0
0
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:
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).



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