NH82801HEM S LA5R Intel, NH82801HEM S LA5R Datasheet - Page 107
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NH82801HEM S LA5R
Manufacturer Part Number
NH82801HEM S LA5R
Description
Manufacturer
Intel
Datasheet
1.NH82801HEM_S_LA5R.pdf
(890 pages)
Specifications of NH82801HEM S LA5R
Lead Free Status / RoHS Status
Compliant
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Intel
4
Table 37.
Intel
®
®
ICH8 Family Datasheet
ICH8 and System Clock Domains
Intel
Domains
Table 37
connection of the various system components, including the clock generator in both
desktop and mobile systems. For complete details of the system clocking solution, refer
to the system’s clock generator component specification.
Intel
SATA_CLKP,
SATA_CLKN
System PCI
DMI_CLKP,
DMI_CLKN
GLAN_CLK
Domain
SPI_CLK
PCICLK
CLK48
CLK14
Clock
ICH8
ICH8
ICH8
ICH8
ICH8
®
ICH8 and System Clock Domains
shows the system clock domains.
®
14.31818 MHz
5 to 62.5 MHz
48.000 MHz
Frequency
17.86 MHz/
31.25 MHz
100 MHz
100 MHz
33 MHz
33 MHz
ICH8 and System Clock
LAN Connect
Component
Main Clock
Main Clock
Main Clock
Main Clock
Main Clock
Main Clock
Generator
Generator
Generator
Generator
Generator
Generator
Source
ICH8
Figure 4
Differential clock pair used for SATA.
Differential clock pair used for DMI.
Free-running PCI Clock to Intel
clock remains on during S0 and S1 (in desktop)
state, and is expected to be shut off during S3
or below in desktop configurations or S1 or
below in mobile configurations.
PCI Bus, LPC Interface. These clocks only go to
external PCI and LPC devices. These clocks will
stop based on CLKRUN# (and STP_PCI#) in
mobile configurations.
Super I/O, USB controllers. This clock is
expected to be shut off during S3 or below in
desktop configurations or S1 or below in mobile
configurations.
Used for ACPI timer and Multimedia Timers.
This clock is expected to be shut off during S3
or below in desktop configurations or S1 or
below in mobile configurations.
Generated by the LAN Connect component. This
clock is expected to be shut off during S3 or
below in desktop configurations or S1 or below
in mobile configurations.
Generated by the ICH8. This clock is expected
to be shut off during S3 or below in desktop
configurations or S1 or below in mobile
configurations.
and
Figure 5
Usage
shows the assumed
®
ICH8. This
107
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