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TMS320C6678: C6678的时钟输入时间问题

Part Number: TMS320C6678

我现在在设计TMS320C6678的板卡设计,现在在设计C6678的电源及启动时序。TI的官方数据手册建议的上电时序为:1:CVDD  2:(CVDD1VDDT1-2 ) 3:( DVDD18AVDD1 AVDD2)4:(DVDD15VDDR1-4)。并且建议在CVDD在上电稳定后,建议启动时钟驱动器即晶振。目前我想在DVDD15VDDR1-4上电稳定后在启动时钟驱动器的输入,请问会有什么影响吗?