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看了下6748除了内部分频外,还有一个外部时钟输入,这个外部时钟最多可以达到多少Mhz呢??这关乎了传输速度啊。。。。假如只能内部分频,传的还不如28335快啊,28335好歹可以是系统时钟,刚开始看,麻烦帮忙解答下。
你好 我指的是EMIFA接口,我看手册上写的是可以对系统时钟4分频,最高114Mhz,或者使用外部时钟作为传数据的时钟,我对这个外部时钟比较关心,因为我和FPGA通信,对用来传数据的时钟比较关心,其它的到是罢了。
C6748 datasheet: http://www.ti.com/lit/gpn/tms320c6748
C6748 TRM: http://www.ti.com/lit/pdf/spruh79
C6748 产品网页:http://www.ti.com/product/TMS320C6748/technicaldocuments