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AD9528 SYSREF is not outputted by 1st sequence

Question asked by katsu on Nov 22, 2017
Latest reply on Dec 3, 2017 by katsu

Hello,

 

By proceeding "Figure 52. Main Process, Initialization" sequence (datasheet Rev.C) 1st time, SYSREF is not outputted. Then proceeding "Figure 52. Main Process, Initialization" sequence once again, SYSREF is outputted. Register setting is attached: clk_491mhz_sysref_cont.stp. Could you please explain how to correct sequence, register setting or else for outputting SYSREF by 1st "Figure 52. Main Process, Initialization"?

 

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