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LMX2820: rb_LD读取后,发现有时始终无效,有时始终有效,但是rb_VCO_SEL,rb_VCO_CAPCTRL与目标频率无法对应

Part Number: LMX2820

您好,目前我这边初始化上电就完成了即时校准,在之后修改频率时,rb_LD读取出来后,当R0写入4430始终是无效,当R0写入4420有时始终有效,但是rb_VCO_SEL,rb_VCO_CAPCTRL与目标频率无法对应,这些问题对于某些频率会突然又会消失不见,然后出现锁定。这个时候,R0无论写入4430还是4420都会始终有效。