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您好，
最近在做PWM调制时，有一个目标是修改载波的频率，
普通的PWM调制时，TBPRD的值是固定不变的，如果将TBPRD设置为变量，可否使载波的频率也发生变化？
请问有否相关的例程，或相关的工程可以交流一下?
感谢！
