LPC47M172 SMSC Corporation, LPC47M172 Datasheet - Page 51
LPC47M172
Manufacturer Part Number
LPC47M172
Description
ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
Manufacturer
SMSC Corporation
Datasheet
1.LPC47M172.pdf
(227 pages)
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SMSC/Non-SMSC Register Sets (Rev. 02-27-04)
BIT NO.
BIT NO.
BIT NO.
1,0
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
ND
NW
MA
CM
DD
WC
BC
MD
WP
T0
HD
DS1,0
SYMBOL
SYMBOL
SYMBOL
No Data
Not Writeable WP pin became a "1" while the FDC is executing a
Missing
Address Mark
Control Mark
Data Error in
Data Field
Wrong
Cylinder
Bad Cylinder
Missing Data
Address Mark
Write
Protected
Track 0
Head Address Indicates the status of the HDSEL pin.
Drive Select
Table 6.14 - Status Register 2
Table 6.15 - Status Register 3
NAME
NAME
NAME
DATASHEET
Any one of the following:
1.
2.
3.
Write Data, Write Deleted Data, or Format A Track
command.
Any one of the following:
1.
2.
Unused. This bit is always "0".
Any one of the following:
Read Data command - the FDC encountered a deleted
data address mark.
Read Deleted Data command - the FDC encountered a
data address mark.
The FDC detected a CRC error in the data field.
The track address from the sector ID field is different
from the track address maintained inside the FDC.
Unused. This bit is always "0".
Unused. This bit is always "0".
The track address from the sector ID field is different
from the track address maintained inside the FDC and
is equal to FF hex, which indicates a bad track with a
hard error according to the IBM soft-sectored format.
The FDC cannot detect a data address mark or a
deleted data address mark.
Unused. This bit is always "0".
Indicates the status of the WRTPRT pin.
Unused. This bit is always "1".
Indicates the status of the TRK0 pin.
Unused. This bit is always "1".
Indicates the status of the DS1, DS0 pins.
Page 51
Read Data, Read Deleted Data command - the
FDC did not find the specified sector.
Read ID command - the FDC cannot read the ID
field without an error.
Read A Track command - the FDC cannot find the
proper sector sequence.
The FDC did not detect an ID address mark at the
specified track after encountering the index pulse
from the nINDEX pin twice.
The FDC cannot detect a data address mark or a
deleted data address mark on the specified track.
DESCRIPTION
DESCRIPTION
DESCRIPTION
Advanced I/O Controller with Motherboard GLUE Logic
SMSC LPC47M172
Datasheet
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