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<H2>汽车CAN总线技术</H2>
<DIV class=t_msgfont id=postmessage_673><FONT size=4><FONT
color=red><STRONG><FONT face="宋体 ">汽车</FONT><FONT
face="Times New Roman ">CAN</FONT><FONT
face="宋体 ">总线技术</FONT></STRONG></FONT></FONT><BR><FONT color=#000000><FONT
face="宋体 ">本文围绕“汽车为什么选择了</FONT><FONT
face="Times New Roman ">CAN</FONT><FONT face="宋体 ">总线技术？汽车</FONT><FONT
face="Times New Roman ">CAN</FONT><FONT
face="宋体 ">总线技术到底是怎么一回事？采用汽车</FONT><FONT
face="Times New Roman ">CAN</FONT><FONT
face="宋体 ">总线技术有哪些优点？汽车总线的发展趋势”等问题作了一个浅短的介绍：</FONT></FONT><BR><FONT
color=#000000><FONT face="Times New Roman ">1. </FONT><FONT
face="宋体 ">汽车为什么选择了</FONT><FONT face="Times New Roman ">CAN</FONT><FONT
face="宋体 ">总线技术？</FONT></FONT><BR><FONT color=#000000><FONT
face="宋体 ">现在总线技术有很多种。从成本上讲，</FONT><FONT
face="Times New Roman ">RS-232/485</FONT><FONT
face="宋体 ">的成本都比</FONT><FONT face="Times New Roman ">CAN</FONT><FONT
face="宋体 ">低；速度上讲，工业以太网等也都不错。为什么唯独</FONT><FONT
face="Times New Roman ">CAN</FONT><FONT
face="宋体 ">在汽车电子中得到亲睐？</FONT></FONT><BR><FONT color=#000000><FONT
face="宋体 ">从成本上来说，</FONT><FONT face="Times New Roman ">CAN</FONT><FONT
face="宋体 ">比</FONT><FONT face="Times New Roman ">UART</FONT><FONT
face="宋体 ">、</FONT><FONT face="Times New Roman ">RS-232/485</FONT><FONT
face="宋体 ">高，但比以太网低；从实时性来说：</FONT><FONT
face="Times New Roman ">CAN</FONT><FONT face="宋体 ">的实时性比</FONT><FONT
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