FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 48

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

SMSC FDC37C672
Command
Execution
Result
Command
Execution
Result
Command
PHASE
PHASE
PHASE
R/W
R/W
R/W
W
W
W
W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
D7
LOCK
OW
0
D7
0
0
D7
0
0
MFM
──── SRT ────
D6
0
D6
0
0
EIS
D6
0
0
──────── ST0 ────────
──────── ST1 ────────
──────── ST2 ────────
──────── C ────────
──────── H ────────
──────── R ────────
──────── N ────────
─────── HLT ───────
DATASHEET
D5
D5
D3
0
0
0
──────── PRETRK ────────
EFIFO
────── PCN-Drive 0 ───────
────── PCN-Drive 1 ───────
────── PCN-Drive 2 ───────
────── PCN-Drive 3 ───────
─────── SC/EOT ───────
D5
D3
0
PERPENDICULAR MODE
D4
D4
D2
DATA BUS
1
0
0
DATA BUS
Page 48
POLL
DUMPREG
D3
D3
D1
D4
D2
READ ID
DATA BUS
0
1
0
0
HDS
D2
D0
D2
0
0
D3
D1
1
GAP
DS1
D2
D0
D1
D1
── FIFOTHR ──
1
1
1
─── HUT ───
GAP
DS0
D1
D0
WGATE
1
0
Enhanced Super I/O Controller with Fast IR
D0
0
Commands
The first correct ID
information on the Cylinder
is stored in Data Register
Status information after
Command execution.
Disk status after the
Command has completed
WGATE
ND
D0
Command Codes
0
REMARKS
REMARKS
*Note:
REMARKS
Rev. 10-29-03
Registers
placed in
FIFO
Datasheet