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LPC47M14X Datasheet(PDF) 43 Page - SMSC Corporation

Part # LPC47M14X
Description  128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB
PDF  205 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LPC47M14X Datasheet(HTML) 43 Page - SMSC Corporation

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SMSC DS – LPC47M14X
Page 43
Rev. 03/19/2001
Table 17 – Description of Command Symbols
SYMBOL
NAME
DESCRIPTION
WGATE
Write Gate
Alters timing of WE to allow for pre-erase loads in perpendicular
drives.
6.5.3
Instruction Set
Table 18 – Instruction Set
READ DATA
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
MT MFM SK
0
0
1
1
0
Command Codes
W
0
0
0
0
0
HDS DS1 DS0
W
C
Sector ID information prior to
Command execution.
W
H
W
R
W
N
W
EOT
W
GPL
W
DTL
Execution
Data transfer between the
FDD and system.
Result
R
ST0
Status information after Com-
mand execution.
R
ST1
R
ST2
R
C
Sector ID information after
Command execution.
R
H
R
R
R
N



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