FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 47

• Manufacturer Part Number: FDC37C672QFP
• Description: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
• Manufacturer: SMSC Corporation

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