FDC37B727-NS Standard Microsystems (SMSC), FDC37B727-NS Datasheet - Page 33
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FDC37B727-NS
Manufacturer Part Number
FDC37B727-NS
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.FDC37B727-NS.pdf
(238 pages)
Specifications of FDC37B727-NS
Pin Count
128
Lead Free Status / RoHS Status
Compliant
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BIT NO.
BIT NO.
1,0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
CM
DD
WC
BC
MD
WP
T0
HD
DS1,0
SYMBOL
SYMBOL
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 18 - STATUS REGISTER 2
TABLE 19 - STATUS REGISTER 3
NAME
NAME
Unused. This bit is always "0".
Any one of the following:
1.
deleted data address mark.
2.
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 WP 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.
33
Read Data command - the FDC encountered a
Read
Deleted
DESCRIPTION
DESCRIPTION
Data
command
-
the
FDC
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