Adverting event, current is big

[zcmm]

  Dear all  
          I use QFAB QFN48 schematic with internal LDO setup,but my board have not 32.768KHZ.

the Pre_processing current is big when in adverting .Why?

[Susheel Nuguru]

Only thing i can think of is the RC calibration like you mentioned, but that should not happen with every advertising event.