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使用CAN高和CAN低分别与电源正负极短接3秒分开，看是否可以立即恢复通信，电源正负极接CAN高时，可以恢复；接到CAN低时，就都不能恢复，CAN的离线自动恢复位ABO已经设置，还应该设置哪些寄存器吗？求大神们赐教
你看一下这种情况下CAN的出错标志是哪些置位了。
ERIC
