NH82801GHM S L8YR Intel, NH82801GHM S L8YR Datasheet - Page 176
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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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5.14.12
Table 5-39. Intel
5.14.12.1
176
Clock Generators
The clock generator is expected to provide the frequencies shown in
Clock Control Signals from Intel
Synthesizer (Mobile/Ultra Mobile Only)
The clock generator is assumed to have a direct connection from the following ICH7
signals:
ACZ_BIT_CLK
(Desktop and
(Desktop and
(Desktop and
• STP_CPU#: Stops processor clocks in C3 and C4 states
• STP_PCI#: Stops system PCI clocks (not the ICH7 free-running 33 MHz clock) due
• SLP_S3#: Expected to drive clock chip PWRDOWN (through inverter), to stop
Mobile Only)
Mobile Only)
SATA_CLK
DMI_CLK
LAN_CLK
Domain
PCICLK
Mobile)
to CLKRUN# protocol
clocks in S3
CLK48
CLK14
Clock
®
ICH7 Clock Inputs
Frequency
Differential
Differential
HOT
100 MHz
100 MHz
33 MHz
50 MHz
48.000
14.318
12.288
0.8 to
MHz
MHz
MHz
and on the way to S3
Main Clock
Main Clock
Main Clock
Main Clock
Main Clock
Generator
Generator
Generator
Generator
Generator
Connect
Source
AC ’97
Codec
LAN
Used by SATA controller. Stopped in S3 ~ S5 based on
SLP_S3# assertion.
Used by DMI and PCI Express*. Stopped in S3 ~ S5
based on SLP_S3# assertion.
Desktop Only: Free-running PCI Clock to Intel
Stopped in S3 ~ S5 based on SLP_S3# assertion.
Mobile Only: Free-running (not affected by STP_PCI#
PCI Clock to ICH7. This is not the system PCI clock.
This clock must keep running in S0 while the system
PCI clock may stop based on CLKRUN# protocol.
Stopped in S3 ~ S5 based on SLP_S3# assertion.
Used by USB controllers and Intel
Audio controller. Stopped in S3 ~ S5 based on
SLP_S3# assertion.
Used by ACPI timers. Stopped in S3 ~ S5 based on
SLP_S3# assertion.
AC-link. Control policy is determined by the clock
source.
NOTE: Becomes clock output when Intel High
LAN Connect Interface. Control policy is determined by
the clock source.
®
COLD
ICH7 to Clock
Definition Audio is enabled.
to S5.
Usage
Intel
®
ICH7 Family Datasheet
Functional Description
®
Table
High Definition
5-39.
®
ICH7.
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