參數(shù)資料
型號: PIC16F74T-E/ML
廠商: Microchip Technology
文件頁數(shù): 91/104頁
文件大?。?/td> 0K
描述: IC MCU FLASH 4KX14 A/D 44QFN
標(biāo)準(zhǔn)包裝: 1,600
系列: PIC® 16F
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 33
程序存儲器容量: 7KB(4K x 14)
程序存儲器類型: 閃存
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x8b
振蕩器型: 外部
工作溫度: -40°C ~ 125°C
封裝/外殼: 44-VQFN 裸露焊盤
包裝: 帶卷 (TR)
Micrel, Inc.
KSZ8851-16MLLJ
March 2010
79
M9999-030210-1.0
Ethernet port MIB counters are read using indirect memory access. The address offset range is 0x00 to 0x1F.
Offset
Counter Name
Description
0x0
RxByte
Rx octet count including bad packets
0x1
Reserved
Reserved.
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 bytes)
0x5
RxJabbers
Rx packets longer than 1536 bytes w/ either CRC errors, alignment errors, or symbol
errors
0x6
RxSymbolError
Rx packets w/ invalid data symbol and legal packet size.
0x7
RxCRCError
Rx packets within (64,2000) bytes w/ an integral number of bytes and a bad CRC
0x8
RxAlignmentError
Rx packets within (64,2000) bytes w/ a non-integral number of bytes and a bad CRC
0x9
RxControl8808Pkts
Number of MAC control frames received by a port with 88-08h in EtherType field
0xA
RxPausePkts
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
0xB
RxBroadcast
Rx good broadcast packets (not including error broadcast packets or valid multicast
packets)
0xC
RxMulticast
Rx good multicast packets (not including MAC control frames, error multicast packets or
valid broadcast packets)
0xD
RxUnicast
Rx good unicast packets
0xE
Rx64Octets
Total Rx packets (bad packets included) that were 64 octets in length
0xF
Rx65to127Octets
Total Rx packets (bad packets included) that are between 65 and 127 octets in length
0x10
Rx128to255Octets
Total Rx packets (bad packets included) that are between 128 and 255 octets in length
0x11
Rx256to511Octets
Total Rx packets (bad packets included) that are between 256 and 511 octets in length
0x12
Rx512to1023Octets
Total Rx packets (bad packets included) that are between 512 and 1023 octets in length
0x13
Rx1024to1521Octets
Total Rx packets (bad packets included) that are between 1024 and 1521 octets in length
0x14
Rx1522to2000Octets
Total Rx packets (bad packets included) that are between 1522 and 2000 octets in length
0x15
TxByte
Tx good octet count, including PAUSE packets
0x16
TxLateCollision
The number of times a collision is detected later than 512 bit-times into the Tx of a packet
0x17
TxPausePkts
Number of PAUSE frames transmitted by a port
0x18
TxBroadcastPkts
Tx good broadcast packets (not including error broadcast or valid multicast packets)
0x19
TxMulticastPkts
Tx good multicast packets (not including error multicast packets or valid broadcast
packets)
0x1A
TxUnicastPkts
Tx good unicast packets
0x1B
TxDeferred
Tx packets by a port for which the 1st Tx attempt is delayed due to the busy medium
0x1C
TxTotalCollision
Tx total collision, half duplex only
0x1D
TxExcessiveCollision
A count of frames for which Tx fails due to excessive collisions
0x1E
TxSingleCollision
Successfully Tx frames on a port for which Tx is inhibited by exactly one collision
0x1F
TxMultipleCollision
Successfully Tx frames on a port for which Tx is inhibited by more than one collision
Table 13. Port 1 MIB Counters Indirect Memory Offsets
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