zl50418 Zarlink Semiconductor, zl50418 Datasheet - Page 47
zl50418
Manufacturer Part Number
zl50418
Description
Managed 16-port 10/100 M + 2-port 1 G Ethernet Switch
Manufacturer
Zarlink Semiconductor
Datasheet
1.ZL50418.pdf
(163 pages)
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13.0
13.1
ZL50418 hardware provides a full set of statistics counters for each Ethernet port. The CPU accesses these
counters through the CPU interface. All hardware counters are rollover counters. When a counter rolls over, the
CPU is interrupted, so that long-term statistics may be kept. The MAC detects all statistics, except for the delay
exceed discard counter (detected by buffer manager) and the filtering counter (detected by queue manager). The
following is the wrapped signal sent to the CPU through the command block.
31
B[10]
B[11]
B[12]
B[13]
B[14]
B[15]
B[16]
B[17]
B[18]
B[19]
B[20]
B[21]
B[22]
B[23]
B[24]
B[25]
B[26]
B[27]
B[28]
B[0]
B[1]
B[2]
B[3]
B[4]
B[5]
B[6]
B[7]
B[8]
B9]
30
Hardware Statistics Counters List
Hardware Statistics Counter
Status Wrapped Signal
C-U1
F-U1
C-U
6-U
1-U
8-U
9-U
A-u
B-u
D-u
E-u
0-d
1-L
2-u
3-d
4-d
5-d
6-L
7-u
8-L
9-L
2-I
A-l
B-l
C-l
D-l
E-l
F-l
7-l
26
Bytes Sent (D)
Unicast Frame Sent
Frame Send Fail
Flow Control Frames Sent
Non-Unicast Frames Sent
Bytes Received (Good and Bad) (D)
Frames Received (Good and Bad) (D)
Total Bytes Received (D)
Total Frames Received
Flow Control Frames Received
Multicast Frames Received
Broadcast Frames Received
Frames with Length of 64 Bytes
Jabber Frames
Frames with Length Between 65-127 Bytes
Oversize Frames
Frames with Length Between 128-255 Bytes
Frames with Length Between 256-511 Bytes
Frames with Length Between 512-1023 Bytes
Frames with Length Between 1024-1528 Bytes
Fragments
Alignment Error
Undersize Frames
CRC
Short Event
Collision
Drop
Filtering Counter
Delay Exceed Discard Counter
25
Zarlink Semiconductor Inc.
ZL50418
47
Data Sheet
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