參數(shù)資料
型號(hào): KSZ8851SNLI TR
廠商: Micrel Inc
文件頁數(shù): 10/80頁
文件大?。?/td> 0K
描述: IC ETHERNET CTLR 1PORT PCI 32MLF
標(biāo)準(zhǔn)包裝: 1
控制器類型: 以太網(wǎng)控制器,MAC/PHY
接口: 總線
電源電壓: 1.8V,2.5V,3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,32-MLF?
供應(yīng)商設(shè)備封裝: 32-MLF?(5x5)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 1081 (CN2011-ZH PDF)
其它名稱: 576-3506-6
Micrel, Inc.
KSZ8851SNL/SNLI
August 2009
18
M9999-083109-2.0
Figure 4. Typical Crossover Cable Connection
Auto Negotiation
The KSZ8851SNL conforms to the auto negotiation protocol as described by the 802.3 committee to allow the port to
operate at either 10Base-T or 100Base-TX.
Auto negotiation allows unshielded twisted pair (UTP) link partners to select the best common mode of operation. In auto
negotiation, the link partners advertise capabilities across the link to each other. If auto negotiation is not supported or the
link partner to the KSZ8851SNL is forced to bypass auto negotiation, the mode is set by observing the signal at the
receiver. This is known as parallel mode because while the transmitter is sending auto negotiation advertisements, the
receiver is listening for advertisements or a fixed signal protocol.
The link setup is shown in the following flow diagram (Figure 5).
Receive Pair
Transmit Pair
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Transmit Pair
10/100 Ethernet
Media Dependent Interface
10/100 Ethernet
Media Dependent Interface
Modular Connector (RJ-45)
HUB
(Repeater or Switch)
Modular Connector (RJ-45)
HUB
(Repeater or Switch)
Crossover
Cable
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