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两片DSP通信



目前两片c6678芯片通过1848交换芯片通信,速率3.125,4x模式,每次一片6678往另一片6678发送或者接受数据之后,1848的port n error and status csr寄存器的output_error或者input_error位就会被拉高,不知道什么原因造成的,所以想请教各位可能会是什么造成的,如何修改,万分感谢!