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lmx2541SQ2690E配置出来的时钟频率有偏差,且ld引脚配置后一直是0

Other Parts Discussed in Thread: CODELOADER

这个是我利用codeloader配置的,导出寄存器值,利用fpga写入,出来的时钟有几Mhz的偏差,调节R3R4C3C4参数会使最终输出频率有一定改变,但是都不是我想要的100Mhz。

请问这配置有什么问题,ld引脚为何没有锁定。