參數(shù)資料
型號: KSZ8842-16MVL-EVAL
廠商: Micrel Inc
文件頁數(shù): 66/141頁
文件大?。?/td> 0K
描述: BOARD EVALUATION KSZ8842-16MVL
標準包裝: 1
主要目的: 接口,以太網(wǎng)控制器(PHY 和 MAC)
嵌入式:
已用 IC / 零件: KSZ8842-16MVL
主要屬性: 2 個端口,100BASE-TX/10BASE-T
次要屬性: 8/16 位接口,LinkMD 線纜診斷
已供物品:
相關(guān)產(chǎn)品: 576-3270-ND - IC SWITCH ETH 2P 32BIT 128LQFP
576-3076-ND - IC MAC CTLR 2PORT ETH 100-LFBGA
KSZ8842-32MVL-ND - IC ETHERNET SW 2PORT BUS 128LQFP
576-2120-ND - IC ETHERNET SW 2PORT BUS 128LQFP
576-2119-ND - IC ETHERNET SW 2PORT BUS 128LQFP
其它名稱: 576-1635
Micrel, Inc.
KSZ8842-16/32 MQL/MVL/MVLI/MBL
October 2007
30
M9999-102207-1.9
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 switches or hubs (two MDI-X devices).
Figure 8. Typical Crossover Cable Connection
Auto Negotiation
The KSZ8842M conforms to the auto negotiation protocol as described by the 802.3 committee to allow the channel to
operate at 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 KSZ8842M 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 9).
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