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至于节点数，IAO1050满足ISO11898标准，这个标准限制最大节点数为30个节点，当然按照datasheet上说的 with careful design, users can have longer cables, longer stub lengths, and many more nodes to a bus. A high number of nodes requires a transceiver with high input impedance such as ISO1050. 如果设计非常好，用更长的cable，总线上可以挂接更多节点数，那么按照CAN总线标准，节点数最大不超过64个。
