NH82801GHM S L8YR Intel, NH82801GHM S L8YR Datasheet - Page 70
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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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2.18
Table 2-18. Miscellaneous Signals
70
Miscellaneous Signals
(Desktop and
(Desktop and
(Mobile/Ultra
(Mobile/Ultra
(Mobile/Ultra
Mobile Only)
Mobile Only)
Mobile Only)
Mobile Only)
Mobile Only)
INTVRMEN
BATLOW#
DPRSTP#
RTCRST#
(Desktop
(Desktop
(Desktop
DPSLP#
Only) /
Only) /
Only) /
Name
SPKR
TP0
TP1
TP2
TP3
Type
I/O
O
O
O
I
I
I
Internal Voltage Regulator Enable: This signal enables the internal
1.05 V Suspend regulator when connected to VccRTC. When connected
to Vss, the internal regulator is disabled
Speaker: The SPKR signal is the output of counter 2 and is internally
“ANDed” with Port 61h bit 1 to provide Speaker Data Enable. This signal
drives an external speaker driver device, which in turn drives the
system speaker. Upon PLTRST#, its output state is 0.
NOTE: SPKR is sampled at the rising edge of PWROK as a functional
RTC Reset: When asserted, this signal resets register bits in the RTC
well.
NOTES:
1.
2.
Test Point 0: This signal must have an external pull-up to VccSus3_3.
Test Point 1: Route signal to a test point.
Test Point 2: Route signal to a test point.
Test Point 3: Route signal to a test point.
strap. See
integrated pull-down resistor on SPKR pin.
Unless CMOS is being cleared (only to be done in the G3 power
state), the RTCRST# input must be high when all other RTC
power planes are on.
In the case where the RTC battery is dead or missing on the
platform, the RTCRST# pin must rise before the RSMRST# pin.
Section 2.24.1
Description
for more details. There is a weak
Intel
®
ICH7 Family Datasheet
Signal Description
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