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C6657 EMIF问题



用示波器测量EMIF读取时间,如图所示,高电平表示读与读之间的等待时间,低电平为读取时间。按照C6657的EMIF用户手册,我已经把EMIF A3CR寄存器Turn Around的时间配置为0,但仍有高达200ns的等待时间,进一步调试发现,无论A3CR寄存器TA段配置为多少,该等待时间都不变,远高于读取所花时间。

1.请问有什么办法可以配置读与读之间的等待间隔?