LPC47M112 SMSC Corporation, LPC47M112 Datasheet - Page 140
LPC47M112
Manufacturer Part Number
LPC47M112
Description
ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE
Manufacturer
SMSC Corporation
Datasheet
1.LPC47M112.pdf
(208 pages)
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Enhanced Super I/O Controller with LPC Interface
Datasheet
SMSC DS – LPC47M112
PME_STS4
Default = 0x00
(Note 6)
PME_STS5
Default = 0x00
(Note 6)
N/A
PME_EN1
Default = 0x00
on VTR POR
on VTR POR
on VTR POR
NAME
REG OFFSET
(R/W)
(R/W)
(R/W)
(hex)
(R)
0A
07
08
09
PME Wake Status Register 4
This register indicates the state of the individual PME wake
sources, independent of the individual source enables or
the PME_En bit.
If the wake source has asserted a wake event, the
associated PME Wake Status bit will be a “1”.
Bit[0] GP30
Bit[1] GP31
Bit[2] GP32
Bit[3] GP33
Bit[4] GP41
Bit[5] GP43
Bit[6] GP60
Bit[7] GP61
The PME Wake Status register is not affected by Vcc
POR, SOFT RESET or HARD RESET.
Writing a “1” to Bit[7:0] will clear it. Writing a “0” to any bit
in PME Wake Status Register has no effect.
PME Wake Status Register 5
This register indicates the state of the individual PME wake
sources, independent of the individual source enables or
the PME_En bit.
If the wake source has asserted a wake event, the
associated PME Wake Status bit will be a “1”.
Bit[0] GP50
Bit[1] GP51
Bit[2] GP52
Bit[3] GP53
Bit[4] GP54
Bit[5] GP55
Bit[6] GP56
Bit[7] GP57
The PME Wake Status register is not affected by Vcc
POR, SOFT RESET or HARD RESET.
Writing a “1” to Bit[7:0] will clear it. Writing a “0” to any bit
in PME Wake Status Register has no effect.
Reserved – reads return 0
PME Wake Enable Register 1
This register is used to enable individual LPC47M112 PME
wake sources onto the nIO_PME wake bus.
When the PME Wake Enable register bit for a wake source
is active (“1”), if the source asserts a wake event so that
the associated status bit is “1” and the PME_En bit is “1”,
the source will assert the nIO_PME signal.
When the PME Wake Enable register bit for a wake source
is inactive (“0”), the PME Wake Status register will indicate
the state of the wake source but will not assert the
nIO_PME signal.
Bit[0] Reserved (Note 7)
Bit[1] RI2
Bit[2] RI1
Bit[3] KBD
Bit[4] MOUSE
Bit[5] SPEKEY (Wake on specific key)
Bit[6] FAN_TACH1
Bit[7] FAN_TACH2
The PME Wake Enable register is not affected by VCC
POR, SOFT RESET or HARD RESET.
Page 140
DESCRIPTION
Rev. 02/02/2005
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