TI工程师：
咨询问一个问题，我想实现4K的AD采样，一般现在MSP430FR5X外置的是32.768KHz的晶振。如何实现定时器输出产生4K的PWM 采样波啊？
原则上应该不能用内部的其他时钟源，因为AD采样只能使用ACLK（上面的外置的是32.768KHz的晶振）作为时钟源，通过定时唤醒的方式进行AD采样。请指教。
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