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AD9364 calibration timeout

Hi,

We come across an issue and we find the calibration error following: 

---------------------------------------------------------------------

Base Address is 0xE0006000.SPI INIT!

Calibration TIMEOUT (0x5E, 0x80)

Calibration TIMEOUT (0x244, 0x80)

 

Base Address is 0xE0006000.SPI INIT!

SAMPL CLK: 61440000 tuning: RX

  0:1:2:3:4:5:6:7:8:9:a:b:c:d:e:f:

0:# # # # # # # # # # # # # # # #

1:# # # # # # # # # # # # # # # #

--------------------------------------------------------------------------

Might I know what is the potential cause for this issue?

The code and drive we follow "AD9361 No-OS". The frequency is 40Mhz

40000000UL, //reference_clk_rate

Appreciate if you have any advice for AD9361 error debug.

Thank you.

Mark