参数资料
型号: ZL50408GDG2
厂商: CONEXANT SYSTEMS
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA208
封装: 17 X 17 MM, 1.40 MM HEIGHT, LEAD FREE, MO-192, LBGA-208
文件页数: 102/144页
文件大小: 1779K
代理商: ZL50408GDG2
ZL50408
Data Sheet
60
Zarlink Semiconductor Inc.
11.4.1.5
MulticastPkts
Counts the number of good frames received and forwarded with multicast address. Does not include broadcast
frames.
Use ZL50408 counter “Multicast Frames Received”, C[10].
Note: this counter includes broadcast frames received.
11.4.1.6
CRCAlignErrors
Counts number of frames received with FCS or alignment errors.
Use ZL50408 counters “CRC”, C[23], and “Alignment Error”, C[21].
Note: when the “Alignment Error” counter, C[21], is incremented, the ZL50408 also increments the “CRC” counter,
C[23], thus, the CRC counter can be used for this statistic.
11.4.1.7
UndersizePkts
Counts number of frames received with size less than 64 bytes.
Use ZL50408 counter “Undersize Frames”, C[22].
11.4.1.8
OversizePkts
Counts number of frames received with size exceeding the maximum allowable frame size.
Min. Frame Size
Max. Frame Size
Frame size:
> 64 bytes,
< 1518 bytes
(< 1522 bytes, if
VLAN tagged)
Framing error and/or FCS error
No collisions
Min. Frame Size
Max. Frame Size
Frame size:
n/a
< 64 bytes
Framing error: don’t care
FCS error: don’t care
No collisions
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