This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

C6416 EMIFA的异步读写问题



我在调试6416DSP与FPGA(xilinx V7系列)的EMIFA接口过程中遇到一个奇怪的问题,FPGA内部开辟了大小256字节的RAM,DSP与FPGA接口采用16bit异步接口,在DSP读FPGA内部RAM时,在读其中某一个地址时,数据有错,而读其他地址时没错,通过chipscope采过来的时序图可以看到,读错时,数据总线上有毛刺。什么原因造成EMIF读该地址时数据总线不稳定的呢?