LU82551IT S L7G3 Intel, LU82551IT S L7G3 Datasheet - Page 34
LU82551IT S L7G3
Manufacturer Part Number
LU82551IT S L7G3
Description
Manufacturer
Intel
Datasheet
1.LU82551IT_S_L7G3.pdf
(102 pages)
Specifications of LU82551IT S L7G3
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
196
Lead Free Status / RoHS Status
Compliant
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82551IT — Networking Silicon
28
Figure 9. Initialization upon RST# and ISOLATE#
Note: The PCI Specification, Revision 2.2, states that the PCI RST# signal should be active low in the B3
If PME# is enabled (in the PCI power management registers), the RST# signal does not affect any
PME# related circuits (in other words, the PCI power management registers, and the wake-up
packet would not be affected).
state. (In PCI Specification, Revision 2.1, the PCI RST# signal is undefined during the B3 state.)
The transition from the B3 bus power state to the B0 bus power state occurs on the trailing edge of
the PCI RST# signal.
The initialization signal is generated internally in the following cases:
The internal initialization signal resets the PCI Configuration Space, MAC configuration, and
memory structure.
The behavior of the RST# and ISOLATE# pins and the internal 82551IT initialization signal are
shown in the following figure.
•
•
•
Active RST# signal while the 82551IT is the D0, D1, or D2 power state
RST# trailing edge while the 82551IT is in the D3 power state
ISOLATE# trailing edge
RST#
Internal hardware
reset
RST#
Internal hardware
reset
ISOLATE#
Internal hardware
reset
D0 - D2 power state
Internal reset
due to ISOLATE#
D3 power state
640 ns
640 ns
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