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关于VLYNQ2.0



专家,你好:

                     我用DM648与PPGA通过VLYNQ进行数据传输,在看到VLYNQ2.0的协议时候,有点疑问,cmd1(PKTTYPE)只有[3:0]bit有效,cmd2只有在PKTTYPE=0110时才有效。

问题1:PKTTYPE是低位在前还是高位在前

问题2:cmd1是10bit,这里只用到4个bit,其他bit是不是无关bit

单页TMS320DM647-DM648 DSP VLYNQ Port User's Guide.pdf