FDC37M81 SMSC [SMSC Corporation], FDC37M81 Datasheet - Page 50

• Manufacturer Part Number: FDC37M81
• Description: PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
• Manufacturer: SMSC [SMSC Corporation]

Command
Command
Execution
Result
PHASE
PHASE
R/W
R/W
W
W
W
W
R
R
R
R
R
R
R
R
R
R
LOCK
D7
1
0
D7
0
0
DIR
D6
---- SRT ----
0
EIS EFIFO POLL
D6
0
0
------- RCN -------
D5
0
0
------- HLT -------
-------- PRETRK --------
------ PCN-Drive 0 -------
------ PCN-Drive 1 -------
------ PCN-Drive 2 -------
------ PCN-Drive 3 -------
------- SC/EOT -------
RELATIVE SEEK
D5
D3
0
D4
DATA BUS
0
0
DUMPREG
D3
1
0
50
DATA BUS
D4
D2
0
HDS
D2
1
D3
D1
1
DS1
D1
1
D2
D0
-- FIFOTHR --
1
--- HUT ---
DS0
D0
GAP
1
D1
1
WGATE
ND
D0
0
REMARKS
*Note:
Registers
placed in
FIFO
REMARKS