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TMS320C6678: 这个芯片的多个时钟输入是否一定要连接外部PLL

Part Number: TMS320C6678


按照hardware design user guide, 推荐多个PLL芯片, CDCE系列的。这类芯片要编程,复杂。有两个替代方案是否可行?

能否使用 clock buffer? 一个时钟输入多个同频率的时钟输出?

能否使用多个差分晶振直接连dsp时钟输入端,时钟之间有没有边沿对齐的要求?