FDC37C672 View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
Manufacturer
FDC37C672 Datasheet PDF : 173 Pages
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Enhanced Super I/O Controller with Fast IR
Datasheet
PHASE
Command
SPECIFY
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
W
0 0 0 0 0 0 1 1 Command Codes
W
─── SRT ───
─── HUT ───
W
────── HLT ──────
ND
PHASE
Command
Result
SENSE DRIVE STATUS
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
W
00000
1
0
0 Command Codes
W
0 0 0 0 0 HDS DS1 DS0
R
─────── ST3 ───────
Status information about
FDD
PHASE
Command
Execution
SEEK
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
W
00001
1
1
1 Command Codes
W
0 0 0 0 0 HDS DS1 DS0
W
─────── NCN ───────
Head positioned over proper
cylinder on diskette.
PHASE
Command
Execution
CONFIGURE
DATA BUS
R/W D7 D6 D5
D4 D3 D2 D1 D0
REMARKS
W
00
0
1
0
0
1
1 Configure Information
W
00
0
0
0
0
0
0
W
0 EIS EFIFO POLL
─── FIFOTHR ───
W
───────── PRETRK ─────────
PHASE
Command
RELATIVE SEEK
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
W
1 DIR 0 0 1
1
1
1
W
0 0 0 0 0 HDS DS1 DS0
W
─────── RCN ───────
REMARKS
SMSC FDC37C672
Page 47
PRELIMINARY DATASHEET
Rev. 10-29-03
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