WG82574L S LBA8 Intel, WG82574L S LBA8 Datasheet - Page 207
WG82574L S LBA8
Manufacturer Part Number
WG82574L S LBA8
Description
Manufacturer
Intel
Datasheet
1.WG82574L_S_LBA8.pdf
(472 pages)
Specifications of WG82574L S LBA8
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
0C to 85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / RoHS Status
Compliant
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System Manageability—82574 GbE Controller
8.7
Note:
8.7.1
8.7.2
8.7.3
8.7.4
S
1
S
1
1
S
1
S
Slave Address
Slave Address
Slave Address
Slave Address
1100 001
1100 001
1100 001
1100 001
7
7
7
7
SMBus ARP Transactions
All SMBus ARP transactions include the PEC byte.
Prepare to ARP
This command clears the Address Resolved flag (set to false). It does not affect the
status or validity of the dynamic SMBus address and is used to inform all devices that
the ARP master is starting the ARP process:
Reset Device (General)
This command clears the Address Resolved flag (set to false). It does not affect the
status or validity of the dynamic SMBus address.
Reset Device (Directed)
The Command field is NACKed if bits 7:1 do not match the current 82574 SMBus
address. This command clears the Address Resolved flag (set to false) and does not
affect the status or validity of the dynamic SMBus address.
Assign Address
This command assigns the 82574 SMBus address. The address and command bytes are
always acknowledged.
The transaction is aborted (NACKed) immediately if any of the UDID bytes is different
from the 82574 UDID bytes. If successful, the manageability system internally updates
the SMBus address. This command also sets the Address Resolved flag (set to true).
Wr
Wr
1
0
1
0
Wr
1
0
Wr
1
0
A
1
A
0
1
0
1
A
1
A
0
0
Command
0000 0001
0000 0010
Command
Targeted Slave
8
8
Address | 0
0000 0100
Command
Command
8
8
A
1
A
1
0
0
PEC
[Data Dependent Value]
1
A
0
1
[Data Dependent Value]
A
0
[Data Dependent Value]
PEC
8
Byte Count
8
0001 0001
8
PEC
8
1
A
0
1
A
0
1
A
0
1
P
1
A
0
1
P
1
P
207
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