SCH3112 Datasheet, PDF (297/396 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
Table 25.7 Base I/O Range for Logical Devices
LOGICAL
DEVICE
NUMBER
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
LOGICAL
DEVICE
FDC
Reserved
Reserved
Parallel
Port
Serial Port 1
Serial Port 2
Reserved
KYBD
Reserved
Reserved
Runtime
Register
Block
REGISTER
INDEX
BASE I/O
RANGE
(NOTE E.10)
FIXED
BASE OFFSETS
0x60,0x61
[0x0100:0x0FF8]
ON 8 BYTE BOUNDARIES
+0 : SRA
+1 : SRB
+2 : DOR
+3 : TDR
+4 : MSR/DSR
+5 : FIFO
+7 : DIR/CCR
n/a
n/a
n/a
n/a
n/a
n/a
0x60,0x61
[0x0100:0x0FFC]
ON 4 BYTE BOUNDARIES
(EPP Not supported)
or
[0x0100:0x0FF8]
ON 8 BYTE BOUNDARIES
+0 : Data/ecpAfifo
+1 : Status
+2 : Control
+400h : cfifo/ecpDfifo/tfifo/cnfgA
+401h : cnfgB
+402h : ecr
(all modes supported,
EPP is only available when
the base address is on an
8-byte boundary)
+3 : EPP Address
+4 : EPP Data 0
+5 : EPP Data 1
+6 : EPP Data 2
+7 : EPP Data 3
0x60,0x61
[0x0100:0x0FF8]
ON 8 BYTE BOUNDARIES
+0 : RB/TB/LSB div
+1 : IER/MSB div
+2 : IIR/FCR
+3 : LCR
+4 : MSR
+5 : LSR
+6 : MSR
+7 : SCR
0x60,0x61
[0x0100:0x0FF8]
ON 8 BYTE BOUNDARIES
+0 : RB/TB/LSB div
+1 : IER/MSB div
+2 : IIR/FCR
+3 : LCR
+4 : MSR
+5 : LSR
+6 : MSR
+7 : SCR
n/a
n/a
n/a
n/a
Not Relocatable
+0 : Data Register
Fixed Base Address: 60,64 ^{+4 : Command/Status Reg.}
n/a
n/a
n/a
n/a
n/a
n/a
0x60,0x61
[0x0000:0x0F7F]
on 128-byte boundaries
+00 : PME Status
.
.
.
+5F : Keyboard Scan Code
(See Table 26.2, “Runtime Register
POR Summary,” on page 297)
SMSC SCH311X
281
DATASHEET
Rev 0.2 (09-28-04)