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TMS320C6657: DDR3配置问题,0x40000024

Part Number: TMS320C6657

使用STK_C6657软件开发包的KeyStone_DDR_init函数进行DDR3的配置,设置DDR3频率为1600MHZ时,可以配置国通,并且通过回写测试,但是设置频率为1333MHZ时,配置通不过,gpDDR_regs->STATUS报0x40000024的错误,查看过寄存器位,该错误是

对于这个错误我该怎么去修改呢?并且为什么1600MHZ的频率能配置通过,但是更低的1333MHZ反而通不过呢?