单片机TX引脚在发送数据时,监测到ISO3082的接收引脚会有数据,但是波形很怪,这是为什么?不是在发送的时候,不应该有数据收到吗?...
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您好,您指的R端有波形是吗?可以附上看下。
3082是半双工的,可以看到呢不架构,transmitter的输出端AB也是receiver的输入端。但是只有当RE有效的时候,receiver才能正常输出。