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PC87332VLJ Datasheet(PDF) 53 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de pieza PC87332VLJ
Descripción Electrónicos  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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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87332VLJ Datasheet(HTML) 53 Page - National Semiconductor (TI)

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40 FDC Command Set Description (Continued)
READ DATA
Command Phase
MT
MFM
SK
0
0
1
1
0
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 read from disk drive is transferred
to system via DMA or Non-DMA modes
Result Phase
Status Register 0
Status Register 1
Status Register 2
Track Number
Head Number
Sector Number
Bytes per Sector
READ DELETED DATA
Command Phase
MT
MFM
SK
0
1
1
0
0
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 read from disk drive is transferred
to system via DMA or Non-DMA modes
Result Phase
Status Register 0
Status Register 1
Status Register 2
Track Number
Head Number
Sector Number
Bytes per Sector
READ ID
Command Phase
0
MFM
0
0
1
0
1
0
X
X
XXXHDDR1
DR0
Execution Phase
Controller reads first ID Field header
bytes it can find and reports these bytes to the system in the
result bytes
Result Phase
Status Register 0
Status Register 1
Status Register 2
Track Number
Head Number
Sector Number
Bytes per Sector
READ A TRACK
Command Phase
0
MFM
0
0
0
0
1
0
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 read from disk drive is transferred
to system via DMA or non-DMA modes
Result Phase
Status Register 0
Status Register 1
Status Register 2
Track Number
Head Number
Sector Number
Bytes per Sector
RECALIBRATE
Command Phase
000001
1
1
000000DR1
DR0
Execution Phase
Disk drive head is stepped out to Track 0
Result Phase
None
53



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