WG82574L S LBA8 Intel, WG82574L S LBA8 Datasheet - Page 344
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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10.2.7.7
10.2.7.8
10.2.7.9
10.2.7.10
344
When 16 or more collisions have occurred on a packet, this register increments,
regardless of the value of collision threshold. If collision threshold is set below 16, this
counter won’t increment. This register only increments if transmits are enabled and the
device is in half-duplex mode.
Multiple Collision Count - MCC (0x0401C; R)
This register counts the number of times that a transmit encountered more than one
collision but less than 16. This register only increments if transmits are enabled and the
device is in half-duplex mode.
Late Collisions Count - LATECOL (0x04020; R)
Late collisions are collisions that occur after one slot time. This register only increments
if transmits are enabled and the device is in half-duplex mode.
Collision Count - COLC (0x04028; R)
This register counts the total number of collisions seen by the transmitter. This register
only increments if transmits are enabled and the device is in half-duplex mode. This
register applies to clear as well as secure traffic.
Defer Count - DC (0x04030; R)
This register counts defer events. A defer event occurs when the transmitter cannot
immediately send a packet due to the medium being busy either because:
MCC
LCC
COLC
CDC
• Another device is transmitting
• The IPG timer has not expired
• Hhalf-duplex deferral events
• Reception of XOFF frames
• The link is not up
Field
Field
Field
Field
31:0
31:0
31:0
31:0
Bit(s)
Bit(s)
Bit(s)
Bit(s)
0x0
0x0
0x0
0x0
Initial
Initial
Initial
Initial
Value
Value
Value
Value
Number of times a successful transmit encountered multiple
collisions.
Number of packets with late collisions.
Total number of collisions experienced by the transmitter.
Number of defer events.
82574 GbE Controller—Driver Programing Interface
Description
Description
Description
Description
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