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AD9361 BBPLL Calibration TIMEOUT (0x5e, 0x80)

Question asked by denis.ka on Jun 28, 2017
Latest reply on Aug 3, 2017 by denis.ka

Hi, I'm getting a Calibration TIMEOUT (0x5e, 0x80) error message when I run ad9361_bbpll_set_rate() if BBPLL Rate less than 1100 MHz


> ad9361_bbpll_set_rate: Rate 1024000000 Hz Parent Rate 40000000 Hz
> Calibration TIMEOUT (0x5E, 0x80)


If BBPLL Rate more than 1100 MHz, there is no problem.


> ad9361_bbpll_set_rate: Rate 1280000000 Hz Parent Rate 40000000 Hz


I have the AD9361 integrated on custom hardware. I am using AD9361 NO-OS driver (from 2014_R2).


What may cause this "BBPLL Calibration TIMEOUT" error?



Best regards, Denis.