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关于msp430f149的时钟配置

Other Parts Discussed in Thread: MSP430F149

大家好!我公司以前有基于msp430f149的电路板,当时为了低功耗的考虑,xt1时钟选择32.768Khz晶振,由于现在该产品需要改变用途,但电路板不能更改。所以我将xt1时钟换为8MHz的高频晶振。但是根据时钟树配置图SMCK的时钟来源只有DCOCLK和XT2CLK,那么我选择XT1的HF模式,是否对于SMCK没有改变。我现在的电路板XT2引脚没有晶振引出。是否只能XT2时钟选择8MHz,才能提升SMCK和MCLK。