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code for add910 and conections

Question asked by ROGFB on Mar 5, 2017
Latest reply on Mar 17, 2017 by mcee

Hi,

I'm a student who wants to work with DDS AD9910 with SPI bus. I'am using Mbed  LCP 1768 to communicate and I try  to have a frequency out of 100 Mhz, what kind of word we have to send ? 

 I using this configuration  :

 

I'm using the code attached below. What I'm doing wrong ?

I want to sweep from 1MHz to 600Mhz with a step of 5Hz. 

Can you help me ? I'm a noob programmer .

Thanks in Advanced

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