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Not able to access Serial interface in AD9914

Question asked by yashpalsingh.b on Aug 14, 2017
Latest reply on Aug 14, 2017 by yashpalsingh.b


I am trying to interface AD9914 in serial mode:

Function pin are set to 0001 as per datasheet, but when i am trying to read the chip for few registers I am getting all 1's and for few i am getting all 0's.

As per datasheet by default, assuming chip will be in 2 wire mode.

Read procedure:

1. Giving master reset to the chip.

2.  Sending RD command + 7 bit address followed by 32 clock cycles for read data.


Lets me know if I am missing any thing.


-- Yashpal Singh