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TCAN1145-Q1: CAN芯片的CANH短路到电源有一些芯片没有错误帧,有一些有错误帧怎么解决

Part Number: TCAN1145-Q1

我们内部用TCAN1042测试CANH短路到VBAT12V是可以正常没有错误帧的,TCAN1044和TCAN1145就不行,请问这些芯片内部有什么差异导致这样的结果呢?