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C6671和FPGA的SRIO初始化不成功

Other Parts Discussed in Thread: TMS320C6671

您好:

     想请教您一个SRIO初始化的问题,问题详细描述如下:

     DSP采用TMS320C6671,FPGA采用Xilinx的XC7K325T,配置是1x,DSP的SRIO时钟是250M,速率为2.5G,FPGA的SRIO时钟是125M,速率是2.5G,即DSP和FPGA的速率一样,DSP自环时,通信正常,SP_ERR_STAT的PORT OK有置1,但是DSP和FPGA之间通过SRIO通信时,则出现FPGA初始化不成功,DSP也初始化不成功,必须是FPGA先初始化成功了,DSP初始化时才能与FPGA链接成功吗?数据手册上我们没有看到有关FPGA和DSP谁先初始化,谁后初始化的问题。