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C6678访问DDR3速率的问题。



各位TI大牛你们好:

我有一个困扰很久的问题,想请教各位。

我的开发环境是EVM6678的开发板,按照开发板的例程(memorytest),直接用core访问DDR应该能达到1GB/S的速率,但是实际使用过程中只有150MB/s左右,设置了L132Kcache,L2256kcache,不知道还需要其他的设置么?