SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 169

• Manufacturer Part Number: SCH3112I-NE
• Description: LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
• Manufacturer: SMSC [SMSC Corporation]

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
Chapter 15 PME Support
APPLICATION NOTE: Software must properly configure the enable and status bits for the individual PME events in
SMSC SCH311X
15.1
NAME
nIO_PME
EVENTS
Mouse
Keyboard
Power button input
Last state before Power Loss
FDC
PIO
UART-1
DATA pin edge sensitive
Specific Mouse Click
The SCH311X offers support for power management events (PMEs), also referred to as a System
Control Interrupt (SCI) events in an ACPI system. A power management event is indicated to the
chipset via the assertion of the nIO_PME signal when in S5 or below power states.
Table 15.1
All PME the events asserted on nIO_PME are listed in
PME Events
Specific Key
by nRI1 pin
Any Key
by IRQ
by IRQ
by IRQ
the registers described below. .
describes the PME interface.
BUFFER
(O12/OD12)
POWER
WELL
VTR
Table 15.1 PME Interface
Table 15.2 PME Events
PME
Y (from group SMI)
Y
Y
Y
Y
Y (from group SMI)
Y
Y (from group SMI)
Y (from group SMI)
Y (from group SMI)
Y
DATASHEET
153
DESCRIPTION
General Purpose I/O.
Power Management Event Output.
Power Management Event signal allows this device to
request wakeup in S5 and below.
Table
15.2.
COMMENT
See
Specific Mouse Click," on
page 156
Section 15.5, "Wake on
for details
This active low
Rev 0.2 (09-28-04)