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CAN收发器SN65HVD251 总线隐性状态(高组态)时,为什么输出是2.5V。
从Datasheet上看,当SN65HVD251处于隐性状态时,总线端处于高阻状态,此时用示波器量取高阻状态的电平是2.5V,
这个2.5V是跟这个芯片内部有关联吗?因为按理讲,当总线处于高组态时用示波器是量不到电平的。
请高人指点,谢谢~