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KS8995MI Datasheet

  • KS8995MI

  • Micrel Semiconductor [Integrated 5-Port 10/100 Managed Swit...

  • 268.27KB

  • MICREL

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KS8995M
Micrel
MIB Counters
The MIB counters are provided on per port basis. The indirect memory is as below.
For port 1
Offset
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA
0xB
0xC
0xD
0xE
0xF
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
Counter Name
RxLoPriorityByte
RxHiPriorityByte
RxUndersizePkt
RxFragments
RxOversize
RxJabbers
RxSymbolError
RxCRCerror
RxAlignmentError
RxControl8808Pkts
RxPausePkts
RxBroadcast
RxMulticast
RxUnicast
Rx64Octets
Rx65to127Octets
Rx128to255Octets
Rx256to511Octets
Rx512to1023Octets
Rx1024to1522Octets
TxLoPriorityByte
TxHiPriorityByte
TxLateCollision
TxPausePkts
TxBroadcastPkts
TxMulticastPkts
TxUnicastPkts
TxDeferred
TxTotalCollision
TxExcessiveCollision
TxSingleCollision
TxMultipleCollision
Description
Rx lo-priority (default) octet count including bad packets.
Rx hi-priority octet count including bad packets.
Rx undersize packets w/ good CRC.
Rx fragment packets w/ bad CRC, symbol errors or alignment errors.
Rx oversize packets w/ good CRC (max: 1536 or 1522 bytes).
Rx packets longer than 1522B w/ either CRC errors, alignment errors, or symbol errors.
(Depends on max packet size setting)
Rx packets w/ invalid data symbol and legal packet size.
Rx packets within (64,1522) bytes w/ an integral number of bytes and a bad CRC.
(Upper limit depends on max packet size setting)
Rx packets within (64,1522) bytes w/ a non-integral number of bytes and a bad CRC.
(Upper limit depends on max packet size setting)
The number of MAC control frames received by a port with 88-08h in EtherType field.
The number of PAUSE frames received by a port. PAUSE frame is qualified with
EtherType (88-08h), DA, control opcode (00-01), data length (64B min), and a valid CRC.
Rx good broadcast packets (not including errored broadcast packets or valid multicast
packets).
Rx good multicast packets (not including MAC control frames, errored multicast packets or
valid broadcast packets).
Rx good unicast packets.
Total Rx packets (bad packets included) that were 64 octets in length.
Total Rx packets (bad packets included) that are between 65 and 127 octets in length.
Total Rx packets (bad packets included) that are between 128 and 255 octets in length.
Total Rx packets (bad packets included) that are between 256 and 511 octets in length.
Total Rx packets (bad packets included) that are between 512 and 1023 octets in length.
Total Rx packets (bad packets included) that are between 1024 and 1522 octets in length.
(Upper limit depends on max packet size setting)
Tx lo-priority good octet count, including PAUSE packets.
Tx hi-priority good octet count, including PAUSE packets.
The number of times a collision is detected later than 512 bit-times into the Tx of a packet.
The number of PAUSE frames transmitted by a port.
Tx good broadcast packets (not including errored broadcast or valid multicast packets).
Tx good multicast packets (not including errored multicast packets or valid broadcast packets).
Tx good unicast packets.
Tx packets by a port for which the 1st Tx attempt is delayed due to the busy medium.
Tx total collision, half-duplex only.
A count of frames for which Tx fails due to excessive collisions.
Successfully Tx frames on a port for which Tx is inhibited by exactly one collision.
Successfully Tx frames on a port for which Tx is inhibited by more than one collision.
Table 15. Port-1 MIB Counter Indirect Memory Offsets
December 2003
57
M9999-120403

KS8995MI 产品属性

  • 66

  • 集成电路 (IC)

  • 专用 IC

  • *

  • *

  • *

  • 表面贴装

  • 128-BFQFP

  • 128-PQFP（14x20）

  • 散装

  • 576-1020

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