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LMK04828BEVM: 输出频偏执,而且无法输出VCO0频点,分频后频点偏移

Part Number: LMK04828BEVM

我在拆除C4、R3_AB1、R18三个器件,端接R1后确保板卡自带时钟完全断电的情况下,对OSCin*、CLKin1*接入同一个信号源输出的两个100M 3DBM(已经通过频谱仪校准)的信号后,通过TICS PRO进行在线配置,目标要求输出2.4G的频点,但是观察频谱仪,在不分频的情况下无法得到VCO0的频点,在分频后输出时钟会有偏移现象,配置1200M得到1222M,配置800M得到815M,这么算VCO0已经不是目标的2.4G,但是现在不知道从哪里继续排查了,需要拆掉CVHD-950-122.88这颗钟吗?或者有什么别的思路?输出端接的DCLKout0。