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37C672 Datasheet(PDF) 46 Page - SMSC Corporation

Part # 37C672
Description  ENHANCED SUPER I/O CONTROLLER WITH FAST IR
PDF  173 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

37C672 Datasheet(HTML) 46 Page - SMSC Corporation

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Enhanced Super I/O Controller with Fast IR
Datasheet
SMSC FDC37C672
Page 46
Rev. 10-29-03
DATASHEET
VERSION
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
0
0
1
0
0
0
0
Command Code
Result
R
1
0
0
1
0
0
0
0
Enhanced Controller
FORMAT A TRACK
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
MFM
0
0
1
1
0
1
Command Codes
W
0
0
0
0
0
HDS
DS1
DS0
W
──────── N ────────
Bytes/Sector
W
──────── SC ────────
Sectors/Cylinder
W
─────── GPL ───────
Gap 3
W
──────── D ────────
Filler Byte
Execution for
Each Sector
Repeat:
W
──────── C ────────
Input Sector Parameters
W
──────── H ────────
W
──────── R ────────
W
──────── N ────────
FDC formats an entire
cylinder
Result
R
─────── ST0 ───────
Status information after
Command execution
R
─────── ST1 ───────
R
─────── ST2 ───────
R
────── Undefined ──────
R
────── Undefined ──────
R
────── Undefined ──────
R
────── Undefined ──────
RECALIBRATE
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
0
0
0
0
1
1
1
Command Codes
W
0
0
0
0
0
0
DS1
DS0
Execution
Head retracted to Track 0
Interrupt.
SENSE INTERRUPT STATUS
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
0
0
0
1
0
0
0
Command Codes
Result
R
─────── ST0 ───────
Status information at the end of
each seek operation.
R
─────── PCN ───────



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