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AM3352初学者的几个问题

Other Parts Discussed in Thread: AM3352

各位大师,我是AM335X的初学者,且现在用的是AM3352 800M的一颗芯片,平台是STARTWARE裸跑,现在有几个疑惑:

 1:我用BOOT示例生成的MLO文件中,默认的MCU主频是多少,会根据芯片的型号识别吗?默认倍频到800M吗?如果是,我如何检测呢?

 2:如果我使用PLL到800M,请问指令执行的周期是1.25ns吗?比如执行一次Nop指令