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5V供电485和3.3V供电485能否接在同一个总线上通信?

Other Parts Discussed in Thread: SN65LBC184

我们这边控制器系统,有一个板卡用的SN65LBC184,5V供电,其余板卡是3.3V系统,现在都在同一个总线上进行通信,问下有没有风险?

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