NH82801HEM S LB9B Intel, NH82801HEM S LB9B Datasheet - Page 85
NH82801HEM S LB9B
Manufacturer Part Number
NH82801HEM S LB9B
Description
Manufacturer
Intel
Datasheet
1.NH82801HEM_S_LB9B.pdf
(890 pages)
Specifications of NH82801HEM S LB9B
Lead Free Status / RoHS Status
Compliant
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Signal Description
Table 28.
Intel
®
ICH8 Family Datasheet
(Desktop Only)
General Purpose I/O Signals (Sheet 3 of 3)
NOTES:
1.
2.
3.
4.
GPIO[7:6]
GPIO[5:2]
GPIO16
GPIO15
GPIO14
GPIO13
GPIO12
GPIO11
GPIO10
Name
GPIO9
GPIO8
GPIO1
GPIO0
GPI[15:0] can be configured to cause a SMI# or SCI. Note that a GPI can be routed to
either an SMI# or an SCI, but not both.
Some GPIOs exist in the VccSus3_3 power plane. Care must be taken to make sure GPIO
signals are not driven high into powered-down planes. Some ICH8 GPIOs may be
connected to pins on devices that exist in the core well. If these GPIOs are outputs, there
is a danger that a loss of core power (PWROK low) or a Power Button Override event will
result in the Intel ICH8 driving a pin to a logic 1 to another device that is powered down.
The functionality that is multiplexed with the GPIO may not be used in desktop
configuration.
This GPIO is not capable of actively driving high. This GPIO is tristated as an output and an
external pull-up is needed to pull the signal high).
Type
I/OD
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Tolerance
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3V
5 V
Resume
Resume
Resume
Resume
Resume
Resume
Resume
Resume
Power
Well
Core
Core
Core
Core
Core
(Mobile) /
(Desktop)
(Mobile) /
(Desktop)
(Mobile) /
(Desktop)
Default
Native
Native
Native
Native
Native
GPO
GPI
GPI
GPI
GPI
GPI
GPI
GPI
GPI
GPI
GPI
Mobile: Natively used as
DPRSLPVR.
Desktop: Unmultiplexed.
Mobile: GPIO is not implemented
and is used instead as
STP_PCI#.
Desktop: default as STP_PCI#
(Note 3)
Mobile: Multiplexed with
AC_PRESENT
Desktop: Unmultiplexed
Mobile: Natively used as
ENERGY_DETECT
Desktop: Unmultiplexed
Mobile: Natively used as
GLAN_DOCK#
Desktop: Unmultiplexed.
Multiplexed with SMBALERT#
(Note 5)
Mobile: Multiplexed with
SusPwrAck/ALERT#
Desktop: Unmultiplexed
Refer to
description.
Unmultiplexed
Mobile: Unmultiplexed
Desktop: Multiplexed with
TACH[3:2]
Multiplexed with PIRQ[H:E]#
Multiplexed with TACH1
Mobile: Multiplexed with
BM_BUSY#
Desktop: Unmultiplexed
Table 19
Description
for signal
85
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