Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
BUFFER
NAME
PWR
WELL
NAME
PIN#
DESCRIPTION
NOTES
(NOTE 1)
(NOTE 2)
(NOTE 3)
45
47
nERROR
A low on this input from the printer
indicates that there is an error condition at
the printer. Bit 3 of the Printer Status
register reads the nERR input. Refer to
Parallel Port description for use of this pin
in ECP and EPP mode.
I
VCC
nSLCTIN
This active low output selects the printer.
This is the complement of bit 3 of the
Printer Control Register. Refer to Parallel
Port description for use of this pin in ECP
and EPP mode.
OP14
VCC
Can be Configured as an Open-Drain
Output.
48
50
nINITP
nALF
This output is bit 2 of the printer control
register. This is used to initiate the printer
when low. Refer to Parallel Port
description for use of this pin in ECP and
EPP mode. Can be configured as an
Open-Drain Output.
OP14
OP14
VCC
VCC
This output goes low to cause the printer
to automatically feed one line after each
line is printed. The nALF output is the
complement of bit 1 of the Printer Control
Register. Refer to Parallel Port
description for use of this pin in ECP and
EPP mode.
Can be configured as an Open-Drain
Output.
51
nSTROBE
An active low pulse on this output is used
to strobe the printer data into the printer.
The nSTROBE output is the complement
of bit 0 of the Printer Control Register.
Refer to Parallel Port description for use
of this pin in ECP and EPP mode.
OP14
VCC
Can be configured as an Open-Drain
Output.
KEYBOARD/MOUSE INTERFACE (6)
1
2
3
4
5
7
MCLK
MDAT
KCLK
KDAT
GA20M
nKBDRST
Mouse Clock I/O
Mouse Data I/O
Keyboard Clock I/O
Keyboard Data I/O
Gate A20 Open-Drain Output
Keyboard Reset Open-Drain Output
GLUE PINS (29)
IOD24
IOD24
IOD24
IOD24
OD8
VCC
VCC
VCC
VCC
VCC
VCC
6
6
7
7
OD8
64
66
nIDE_RSTDRV IDE Reset Output
OD8
OD12
VCC
VCC
3
3
nHD_LED
Hard Drive Front Panel LED Open-Drain
Output
67
68
69
nPRIMARY_
HD
IDE Primary Drive Active Input
ISPU_400
ISPU_400
ISPU_400
VCC
VCC
VCC
nSECONDARY IDE Secondary Drive Active Input
_HD
nSCSI
SCSI Drive Active Input
SMSC LPC47M182
19
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
DATASHEET
SMSC [ SMSC CORPORATION ]
