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请问5535程序BootLoader以后，CLK_OUT=12.288MHz，CLK_OUT输出的是system clock，那么下图当中的CPU主频也是12.288MHz吗，如果不是，请问要怎么设置CPU主频?
是的，在代码重新配置clock之前，CPU主频也是12.2888。PLL不是100MHz，也是12.888MHz。
spreadsheet里的PLL只能在60-150MHz之间
有限制的就没办法了。
要怎么设置CPU主频?
