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SN75176BDR



你好 我现在用SN75176BDR芯片用来RS495通讯,现出现如下问题:

我设置的波特率是115200  数据位 8 停止位 1 无校验 持续发

当测试字节持续发03 09 00 00 00 00 00 00 00 00 00 D9 8F  我测了10个小时 发现没有丢帧 数据正确

当测试字节持续发03 09 FF FF FF FF FF FF FF FF FF   我测了10个小时 发现有丢帧现象 请问有高手知道吗