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RS485半双工芯片,发送与返回冲突是否会烧芯片?



在使用半双工的rs485芯片时,主从控制,程序很难保证主和从的485芯片都不处于发送状态,这时的冲突是否会造成485芯片损坏?如果是,有什么办法可以完全避免?