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PC87332 Datasheet(PDF) 51 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87332
Description  PC87332VLJ (3.3V/5V) and PC87332VLJ-5 (5V) (SuperI/OTM III Premium Green) Floppy Disk Controller, Dual UARTs, IEEE1284 Parallel Port, and IDE Interfac
PDF  98 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87332 Datasheet(HTML) 51 Page - National Semiconductor (TI)

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40 FDC Command Set Description (Continued)
Command Phase
MT
MFM
0
0
0
1
0
1
IPS
X
X
X
X
HD
DR1
DR0
Track Number
Drive Head Number
Sector Number
Bytes per Sector
End of Track Sector Number
Intersector Gap Length
Data Length
Execution Phase
Data is transferred from the system to
the controller via DMA or Non-DMA modes and written to
the disk
Result Phase
Status Register 0
Status Register 1
Status Register 2
Track Number
Head Number
Sector Number
Bytes per Sector
4124 Write Deleted Data
The Write Deleted Data command receives data from the
host and writes logical sectors containing a Deleted Data
AM to the selected drive This command is identical to the
Write Data command except that a Deleted Data AM is writ-
ten to the Data Field instead of a Normal Data AM
Command Phase
MT
MFM
0
0
1
0
0
1
IPS
X
X
X
X
HD
DR1
DR0
Track Number
Drive Head Number
Sector Number
Bytes per Sector
End of Track Sector Number
Intersector Gap Length
Data Length
Execution Phase
Data is transferred from the system to
the controller via DMA or Non-DMA modes and written to
the disk
Result Phase
Status Register 0
Status Register 1
Status Register 2
Track Number
Head Number
Sector Number
Bytes per Sector
51



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