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ADF4372 Lock Detect

I want to implement analog lock detect on the ADF4372.  I have read AN-873 regarding lock detect behavior on ADF4xxx PLLs.  On page 19 of the datasheet, it shows that analog lock detect is available at the MUXOUT pin when properly programmed.  On page 32 of ]he datasheet, in REG0020, for the list of MUXOUT configuration bits [7:4], digital lock detect is 0001...but there is no entry for analog lock detect.  What is the correct bit sequence?  Thanks.

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