Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
VERSION
DATA BUS
PHASE
Command
Result
R/W D7
D6
0
D5 D4 D3
D2
D1
0
D0
0
REMARKS
Command Code
W
R
0
1
0
0
1
1
0
0
0
0
0
0
0
Enhanced Controller
FORMAT A TRACK
DATA BUS
PHASE
R/W D7
D6
MFM
0
D5 D4 D3
D2
D1
D0
REMARKS
Command
W
W
W
W
W
W
0
0
0
0
0
0
1
0
1
0
1
Command Codes
HDS DS1 DS0
N
Bytes/Sector
Sectors/Cylinder
Gap 3
SC
GPL
D
Filler Byte
Execution for
Each Sector
Repeat:
W
C
Input Sector Parameters
W
W
W
H
R
N
FDC formats an entire
cylinder
Result
R
ST0
Status information after
Command execution
R
R
R
R
R
R
ST1
ST2
Undefined
Undefined
Undefined
Undefined
RECALIBRATE
DATA BUS
PHASE
R/W D7 D6 D5 D4 D3 D2
D1
D0
REMARKS
Command
W
W
0
0
0
0
0
0
0
0
0
0
1
0
1
1
Command Codes
DS1 DS0
Execution
Head retracted to Track 0
Interrupt.
SENSE INTERRUPT STATUS
DATA BUS
PHASE
Command
Result
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
Command Codes
W
R
0
0
0
0
1
0
0
0
ST0
Status information at the end
of each seek operation.
R
PCN
SPECIFY
DATA BUS
PHASE
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
Command
W
W
W
0
0
0
0
0
0
1
1
Command Codes
SRT
HUT
HLT
ND
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
62
SMSC LPC47M182
DATASHEET
SMSC [ SMSC CORPORATION ]
