JAJSDN8C March 2017 – April 2019 LMX2594
Although there are a vast number of ways to configure this device, only one is really functional.
|RESET||Registers are held in their reset state. This device does have a power on reset, but it is good practice to also do a software reset if there is any possibility of noise on the programming lines, especially if there is sharing with other devices. Also realize that there are registers not disclosed in the data sheet that are reset as well.||RESET = 1, POWERDOWN = 0|
|POWERDOWN||Device is powered down.||POWERDOWN = 1
or CE Pin = Low
|Normal operating mode||This is used with at least one output on as a frequency synthesizer.|
|SYNC mode||This is used where part of the channel divider is in the feedback path to ensure deterministic phase.||VCO_PHASE_SYNC = 1|
|SYSREF mode||In this mode, RFoutB is used to generate pulses for SYSREF.||VCO_PHASE_SYNC =1, SYSREF_EN = 1|