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简单的时钟问题

Other Parts Discussed in Thread: TVP5158

请问,我想让6437和tvp5158用一个时钟,我是不是可以将dm6437的clockout0的时钟输出给tvp5158declkin时钟输入,或者将tvp5158的时钟输出osc_out给dm6437的clkin。 哪种更好,会不会有启动顺序和电平兼容的问题。 貌似dm6437和tvp5158的时钟输入都要求是1.8V的,而dm6437的时钟输出供电是普通IO供电3.3V,tvp5158的时钟输出是1.8V兼容的,看样子把tvp5158的时钟输出给dm6437更合理,但是tvp5158时钟输出在复位时候的状态和时序,手册没有写明,我手头没有5158的开发板,知道的朋友告诉我一下 谢谢各位