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FDC37C78-HT Datasheet(PDF) 40 Page - Microchip Technology

Part # FDC37C78-HT
Description  Floppy Disk Controller
Download  82 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

FDC37C78-HT Datasheet(HTML) 40 Page - Microchip Technology

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40
SENSE DRIVE STATUS
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
0
0
0
0
1
0
0
Command Codes
W
0
0
0
0
0
HDS
DS1
DS0
Result
R
─────── ST3 ───────
Status information about
FDD
SEEK
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
0
0
0
1
1
1
1
Command Codes
W
0
0
0
0
0
HDS
DS1
DS0
W
─────── NCN ───────
Execution
Head positioned over
proper cylinder on
diskette.
CONFIGURE
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
0
0
1
0
0
1
1
Configure
Information
W
0
0
0
0
0
0
0
0
W
0
EIS
EFIFO
POLL
─── FIFOTHR ───
Execution
W
───────── PRETRK ─────────


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