參數(shù)資料
型號: KSZ8851-16MLLI
廠商: Micrel Inc
文件頁數(shù): 11/84頁
文件大小: 0K
描述: IC MAC CTLR 1PORT W/BUS 48-TQFP
標準包裝: 250
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: 48-LQFP
供應商設備封裝: 48-LQFP(7x7)
包裝: 托盤
產(chǎn)品目錄頁面: 1081 (CN2011-ZH PDF)
其它名稱: 576-3505
Micrel, Inc.
KSZ8851-16MLL/MLLI
March 11, 2014
19
Revision 2.2
Crossover Cable
A crossover cable connects an MDI device to another MDI device, or an MDI-X device to another MDI-X device. The
following diagram shows a typical crossover cable connection between two chips or hubs (two MDI-X devices).
Figure 4. Typical Crossover Cable Connection
Auto Negotiation
The KSZ8851-16MLL 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 KSZ8851-16MLL 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 auto negotiation link setup is shown in Figure 5.
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