參數(shù)資料
型號: KS8993F
廠商: Micrel Inc
文件頁數(shù): 81/99頁
文件大小: 0K
描述: IC CONV MED 10/100 3PORT 128PQFP
標(biāo)準(zhǔn)包裝: 66
系列: *
類型: *
應(yīng)用: *
安裝類型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
配用: KS8993F-EVAL-ND - EVAL KIT EXPERIMENTAL KS8993F
KS8993F
Micrel
August 26, 2004
Revision 1.0
- 82 -
Table 13: Format of “Per Port” MIB Counters
Bit
Name
R/W
Description
Default
31
Reserve
RO
Reserve
0
30
Count Valid
RO
= 1, Counter value is valid
= 0, Counter value is not valid
0
29-0
Counter Values
RO
Counter value
0
“Per Port” MIB Counters are read using indirect memory access. The base address offsets and address ranges for all
three ports are:
Port 1 : base is 0x00 and range is (0x00-0x1f)
Port 2 : base is 0x20 and range is (0x20-0x3f)
Port 3 : base is 0x40 and range is (0x40-0x5f)
Port 1’s “Per Port” MIB Counters Indirect Memory Offsets are shown in the following table:
Table 14: Port 1’s “Per Port” MIB Counters Indirect Memory Offsets
Offset
Counter Name
Description
0x0
RxLoPriorityByte
Rx lo-priority (default) octet count including bad packets
0x1
RxHiPriorityByte
Rx hi-priority octet count including bad packets
0x2
RxUndersizePkt
Rx undersize packets w/ good CRC
0x3
RxFragments
Rx fragment packets w/ bad CRC, symbol errors or alignment
errors
0x4
RxOversize
Rx oversize packets w/ good CRC (max: 1536 or 1522 bytes)
0x5
RxJabbers
Rx packets longer than 1522 bytes w/ either CRC errors,
Alignment errors, or symbol errors. (Depends on max packet
size setting).
0x6
RxSymbolError
Rx packets w/ invalid data symbol and legal packet size.
0x7
RxCRCError
Rx packets within (64,1522) bytes w/ an integral number of
bytes and a bad CRC (Upper limit depends on max packet
size setting).
0x8
RxAlignmentError
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).
0x9
RxControl8808Pkts
The number of MAC control frames received by a port with
88-08h in EtherType field.
0xA
RxPausePkts
The number of PAUSE frames received by a port. PAUSE
frame is qualified with EtherType (88-08h), DA, control opcode
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