NH82801GHM S L8YR Intel, NH82801GHM S L8YR Datasheet - Page 81
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NH82801GHM S L8YR
Manufacturer Part Number
NH82801GHM S L8YR
Description
Manufacturer
Intel
Datasheet
1.NH82801GHM_S_L8YR.pdf
(848 pages)
Specifications of NH82801GHM S L8YR
Lead Free Status / RoHS Status
Compliant
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Intel
3.3
Table 3-3.
Intel
®
®
ICH7 Pin States
ICH7 Family Datasheet
(Intel
ICH7DH Only)
Signal Name
DMI[3:0]TXP,
DMI[3:0]TXN
Output and I/O Signals Planes and States
signals, as well as the state at various times. Within the table, the following terms are
used:
“High-Z”
“High”
“Low”
“Defined”
“Undefined”
“Running”
“Off”
Note that the signal levels are the same in S4 and S5, except as noted.
ICH7 suspend well signal states are indeterminate and undefined and may glitch,
including input signals acting as outputs, prior to RSMRST# deassertion. This does not
apply to LAN_RST#, SLP_S3#, SLP_S4# and SLP_S5#. These signals are determinate
and defined prior to RSMRST# deassertion.
ICH7 core well signal states are indeterminate and undefined and may glitch, including
input signals acting as outputs, prior to PWROK assertion. This does not apply to
FERR# and THRMTRIP#. These signals are determinate and defined prior to PWROK
assertion.
Power Plane and States for Output and I/O Signals for Desktop Only
Configurations (Sheet 1 of 5)
Table 3-3
PETp[4:1],
PETp[6:5],
PETn[4:1]
PETn[6:5]
®
ICH7R and
and
Table 3-4
Power
Plane
Core
Core
Tri-state. ICH7 not driving the signal high or low.
ICH7 is driving the signal to a logic 1
ICH7 is driving the signal to a logic 0
Driven to a level that is defined by the function (will be high or
low)
ICH7 is driving the signal, but the value is indeterminate.
Clock is toggling or signal is transitioning because function not
stopping
The power plane is off, so ICH7 is not driving
show the power plane associated with the output and I/O
PLTRST#
RSMRST#
During
High
High
PCI Express*
1
2
/
DMI
Immediately
PLTRST#
RSMRST#
after
High
High
4
4
1
2
/
Defined
Defined
S1
S3
COLD
Off
Off
3
S4/S5
Off
Off
81
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