LPC47M172_07 SMSC [SMSC Corporation], LPC47M172_07 Datasheet - Page 19

• Manufacturer Part Number: LPC47M172_07
• Description: Advanced I/O Controller with Motherboard GLUE Logic
• Manufacturer: SMSC [SMSC Corporation]

SMSC/Non-SMSC Register Sets (Rev. 01-11-07)
45
47
48
50
51
1
2
3
4
5
7
64
66
67
68
69
PIN#
nERROR
nSLCTIN
nINITP
nALF
nSTROBE
MCLK
MDAT
KCLK
KDAT
GA20M
nKBDRST
nIDE_RSTDRV
nHD_LED
nPRIMARY_
HD
nSECONDARY
_HD
nSCSI
(NOTE 1)
NAME
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.
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.
Can be Configured as an Open-Drain
Output.
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.
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.
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.
Can be configured as an Open-Drain
Output.
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
IDE Reset Output
Hard Drive Front Panel LED Open-Drain
Output
IDE Primary Drive Active Input
IDE Secondary Drive Active Input
SCSI Drive Active Input
KEYBOARD/MOUSE INTERFACE (6)
DESCRIPTION
DATASHEET
GLUE PINS (29)
Page 19
Advanced I/O Controller with Motherboard GLUE Logic
I
OP14
OP14
OP14
OP14
IOD24
IOD24
IOD24
IOD24
OD8
OD8
OD8
OD12
ISPU_400
ISPU_400
ISPU_400
(NOTE 2)
BUFFER
NAME
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
(NOTE 3)
WELL
PWR
SMSC LPC47M172
6
6
7
7
3
3
NOTES
Datasheet