參數(shù)資料
型號(hào): KSZ8841-PMQL-EVAL
廠(chǎng)商: Micrel Inc
文件頁(yè)數(shù): 10/74頁(yè)
文件大小: 0K
描述: BOARD EVALUATION KSZ8841-PMQL
標(biāo)準(zhǔn)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: KSZ8841-PMQL
主要屬性: 1 個(gè)端口,100BASE-TX/10BASE-T
次要屬性: PCI 接口,LinkMD 線(xiàn)纜診斷
已供物品:
產(chǎn)品目錄頁(yè)面: 1114 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: 576-2118-ND - IC MAC CTRLR 32BIT PCI 128-PQFP
576-2117-ND - IC MAC CTRLR 32BIT 128-PQFP
其它名稱(chēng): 576-1633
Micrel, Inc.
KSZ8841-PMQL
October 2007
18
M9999-100407-1.5
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 4. Typical Crossover Cable Connection
Auto Negotiation
The KSZ8841-PMQL conforms to the auto negotiation protocol as described by the 802.3 committee.
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 KSZ8841-PMQL 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 3).
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