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LMX2581操作时序

Other Parts Discussed in Thread: LMX2581, LMX2592

您好,最近在做一个射频信号源,用到LMX2581,有以下几个问题不明白:

首先,LMX2581的操作借口是uWire(microwire),想问着操作时序和SPI通用吗,而LMX2592的手册里明确的说明可以是SPI,但对于LMX2581,是否是LE引脚就是 SPI的片选型号啊?

其次,针对环路滤波器参数的选取,按照TI提供的设计软件来,如果要做成输出频率是步进的,是否在每一步步进时,环路滤波器的参数还需要修改?

谢谢