參數(shù)資料
型號: L80227
廠商: LSI CORP
元件分類: 網(wǎng)絡(luò)接口
英文描述: 10BASE-T/100BASE-TX Ethernet Physical Layer Device (PHY)(10BASE-T/100BASE-TX 以太網(wǎng)物理層處理器)
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封裝: LQFP-64
文件頁數(shù): 44/158頁
文件大?。?/td> 1084K
代理商: L80227
Draft 6/5/00
2-24
Functional Description
Copyright 1999 by LSI Logic Corporation. All rights reserved.
2.3.10 Link Integrity and AutoNegotiation
The device can be configured to implement either the standard link
integrity algorithms or the AutoNegotiation algorithm.
The standard link integrity algorithms are used solely to establish a link
to and from a remote device. The AutoNegotiation algorithm is used to
establish a link to and from a remote device and automatically configure
the device for 10 or 100 Mbits/s and Half or Full Duplex operation. The
different standard link integrity algorithms for 10 and 100 Mbits/s modes
are described in following subsections.
The AutoNegotiation algorithm in the device meets all requirements
specified in IEEE 802.3.
2.3.10.1 10BASE-T Link Integrity Algorithm (10 Mbits/s)
The device implements the same 10BASE-T link integrity algorithm that
is defined in IEEE 802.3. This algorithm uses normal link pulses (NLPs),
which are transmitted during idle periods, to determine if a device has
successfully established a link with a remote device (called Link Pass
state). The transmit link pulse meets the template requirements defined
in IEEE 802.3 and shown in
Figure 2.6
. Refer to IEEE 802.3 for more
details if needed.
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