July 2008
Intermediate to advanced
544 pages
16h 52m
English
Content preview from Computers as Components, 2nd Edition
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8.2 Networks for Embedded Systems 411
8.2.2 Ethernet
Ethernet is very widely used as a local area network for general-purpose computing.
Because of its ubiquity and the low cost of Ethernet interfaces,it has seen significant
use as a network for embedded computing. Ethernet is particularly useful when PCs
are used as platforms,making it possible to use standard components,and when the
network does not have to meet rigorous real-time requirements.
The physical organization of an Ethernet is very simple,as shown in Figure 8.14.
The network is a bus with a single signal path; the Ethernet standard allows for
several different implementations such as twisted ...