RG82845 S L5YQ Intel, RG82845 S L5YQ Datasheet - Page 28
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RG82845 S L5YQ
Manufacturer Part Number
RG82845 S L5YQ
Description
Manufacturer
Intel
Datasheet
1.RG82845_S_L5YQ.pdf
(148 pages)
Specifications of RG82845 S L5YQ
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Signal Description
2.5
28
Clocks, Reset, and Miscellaneous Signals
SCK[11:0]
BCLK
BCLK#
66IN
RSTIN#
TESTIN#
Signal Name
CMOS
CMOS
CMOS
CMOS
CMOS
Type
O
I
I
I
I
Differential Host Clock In: These pins receive a differential host clock
from the external clock synthesizer. This clock is used by all of the MCH
logic that is in the host clock domain.
66 MHz Clock In: This pin receives a 66 MHz clock from the clock
synthesizer. This clock is used by AGP/PCI and hub interface clock
domains.
Note: That this clock input is 3.3 V tolerant.
System Memory Clocks (SDR): These signals deliver a synchronized
clock to the DIMMs. There are two per row.
Reset In: When asserted, this signal asynchronously resets the MCH
logic. RSTIN# is connected to the PCIRST# output of the ICH2. All
AGP/PCI output and bi-directional signals will also three-state compliant
to PCI Rev 2.0 and 2.1 specifications.
Note: This input needs to be 3.3 V tolerant.
Test Input: This pin is used for manufacturing and board level test
purposes.
Note: This signal has an internal pull-up resistor.
Intel
Description
®
82845 MCH for SDR Datasheet
R
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