LU82551QM Intel, LU82551QM Datasheet - Page 61
LU82551QM
Manufacturer Part Number
LU82551QM
Description
Manufacturer
Intel
Datasheet
1.LU82551QM.pdf
(120 pages)
Specifications of LU82551QM
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
196
Lead Free Status / RoHS Status
Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LU82551QM
Manufacturer:
HONGFA
Quantity:
12 000
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9.1.9.2
9.1.9.3
Datasheet
CSR I/O Mapped Base Address Register
The 82551QM requires one BAR for I/O mapping. Software determines which BAR, I/O or
memory, is used to access the 82551QM CSR registers. The I/O space for the 82551QM CSR I/O
BAR is 64 bytes.
Flash Memory Mapped Base Address Register
The Flash Memory BAR is a Dword register. The 82551QM physically supports a 128 KB Flash
device. In a CardBus system, the upper section of the memory mapped window (above the physical
Flash device) is used for CIS information. The 82551QM claims a window of 128 KB in CardBus
mode and always claims a Flash memory window, regardless of whether or not a Flash device is
connected.
Networking Silicon — 82551QM
55
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