SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 77

• Manufacturer Part Number: SCH3112I-NE
• Description: LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
• Manufacturer: SMSC [SMSC Corporation]

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
SMSC SCH311X
RECALIBRATE
PHASE
Command
Execution
SENSE INTERRUPT STATUS
PHASE
Command
Result
SPECIFY
PHASE
Command
SENSE DRIVE STATUS
PHASE
Command
Result
R/W
W
W
R
R/W
W
W
R/W
W
R
R
R/W
W
W
W
DATA BUS
D7
0
0
DATA BUS
D7
0
DATA BUS
D7
0
0
DATA BUS
D7
0
D6
0
0
D6
0
D6
0
0
D6
0
SRT
D5
0
0
D5
0
0
D5
0
D5
0
D4
0
0
D4
0
0
D4
0
D4
0
HLT
PCN
ST0
DATASHEET
ST3
D3
0
0
D3
0
0
D3
1
D3
0
61
D2
1
HDS
D2
1
0
D2
0
D2
0
HUT
D1
1
DS1
D1
0
D1
1
D1
0
DS1
D0
0
D0
1
ND
D0
1
DS0
D0
0
DS0
REMARKS
Command Codes
Status information at the end of
each seek operation.
REMARKS
Command Codes
REMARKS
Command Codes
Head retracted to Track 0
Interrupt.
REMARKS
Command Codes
Status information about
FDD
Rev 0.2 (09-28-04)