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关于CAN收发器SN65HVD233的速率下限

Other Parts Discussed in Thread: SN65HVD233

目前在关注3.3V的CAN收发器,例如SN65HVD233。

我的CAN应用是要满足现场远距应用的,因此CAN位速率都比较低。过去的CAN收发器普遍都有Dominant Time-Out保护功能,虽然可以防止总线被钳死,但是也导致位速率无法太低(一旦本节点发送最长连续12个显性位时,收发器会罢工)。

最近新出的这些CAN收发器似乎都把Dominant Time-Out这个保护功能去掉了。是否意味着今后位速率无下限?