NH82801GBM SL8YB

Manufacturer Part NumberNH82801GBM SL8YB
ManufacturerIntel Corporation
NH82801GBM SL8YB datasheet
 


Specifications of NH82801GBM SL8YB

CaseBGADate_code07+
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5.14.12
Clock Generators
The clock generator is expected to provide the frequencies shown in
®
Table 5-39. Intel
ICH7 Clock Inputs
Clock
Frequency
Domain
SATA_CLK
100 MHz
(Desktop and
Differential
Mobile Only)
100 MHz
DMI_CLK
Differential
PCICLK
33 MHz
48.000
CLK48
14.318
CLK14
ACZ_BIT_CLK
12.288
(Desktop and
Mobile)
LAN_CLK
(Desktop and
50 MHz
Mobile Only)
5.14.12.1
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:
• 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
to CLKRUN# protocol
• SLP_S3#: Expected to drive clock chip PWRDOWN (through inverter), to stop
clocks in S3
HOT
176
Source
Main Clock
Used by SATA controller. Stopped in S3 ~ S5 based on
Generator
SLP_S3# assertion.
Main Clock
Used by DMI and PCI Express*. Stopped in S3 ~ S5
Generator
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#
Main Clock
PCI Clock to ICH7. This is not the system PCI clock.
Generator
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
Main Clock
Audio controller. Stopped in S3 ~ S5 based on
MHz
Generator
SLP_S3# assertion.
Main Clock
Used by ACPI timers. Stopped in S3 ~ S5 based on
MHz
Generator
SLP_S3# assertion.
AC-link. Control policy is determined by the clock
source.
AC ’97
MHz
Codec
NOTE: Becomes clock output when Intel High
Definition Audio is enabled.
0.8 to
LAN
LAN Connect Interface. Control policy is determined by
Connect
the clock source.
®
ICH7 to Clock
and on the way to S3
to S5.
COLD
Functional Description
Table
5-39.
Usage
®
ICH7.
®
High Definition
®
Intel
ICH7 Family Datasheet