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3.3V CAN收发器SN65HVD230用于5V系统

Other Parts Discussed in Thread: SN65HVD230

看到以前的帖子,3.3VCAN收发器SN65HVD230可以用于CAN总线系统,并且和5V的CAN收发器直接对接。

有2点问题:

1、不使用Vref脚是不是就不能正常通讯?

2、我们用于CAN的短分支上,原则上不端接120电阻,那么Vref要连接的话,该怎么连接?

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