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SN65MLVD206问题咨询

Other Parts Discussed in Thread: SN65MLVD206

在用SN65MLVD206做传输,将A,B端直接连接串口输出,R端接收处有上拉电阻,为什么R端在没有数据传输的常态输出是Vcc/2,不是高电平呢?数据接收是正确的,另外AB端必须连接差分电阻吗?