SCH3112 Datasheet, PDF (78/396 Pages) SMSC Corporation – LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
SEEK
PHASE
Command
Execution
DATA BUS
R/W
REMARKS
D7 D6 D5 D4 D3 D2
D1
D0
W
000011
1
1
Command Codes
W
0 0 0 0 0 HDS DS1 DS0
W
NCN
Head positioned over proper
cylinder on diskette.
CONFIGURE
PHASE
DATA BUS
R/W
D7 D6 D5
REMARKS
D4
D3 D2 D1 D0
Command W
00
0
1
00
1
1
Configure Information
W
00
0
0
00
0
0
W
0 EIS EFIFO POLL FIFOTHR
Execution
W
PRETRK
RELATIVE SEEK
PHASE
R/W
Command W
W
W
DATA BUS
REMARKS
D7 D6 D5 D4 D3 D2
D1
D0
1 DIR 0 0 1 1
1
1
00
0 0 0 HDS DS1 DS0
RCN
DUMPREG
PHASE
DATA BUS
R/W
D7
D6 D5
Command W
0
0
0
D4
D3 D2 D1
D0
0
111
0
Rev 0.2 (09-28-04)
62
DATASHEET
REMARKS
*Note:
Registers
placed in
FIFO
SMSC SCH311X