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mspf5418 dco&pll 频率

请教各位,我对DCO和pll倍频没看懂,目前我一直用ucos公司的代码,现成的1 4 8 16 20 25(M),但是音频外围器件对频率要求严格,所以要根据需要输出多种频率,比如11289534HZ,越接近越好。

我想要一个公式:  把pll输出频率Fout 代入公式,就能得出最接近的各个寄存器配置,请问可行吗?

谢谢!