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AD7091r communication problem with nexys 3 fpga

Question asked by Sienimak on Nov 30, 2014
Latest reply on Dec 8, 2014 by AdrianC

I do have EVAL-CN0335-PMDZ evaluation kit and it is connected  to Nexys 3 board. I have used example program from analog devices web-page. This module is connected to JA connector on nexys board

 

Demo code is in AD7091R Pmod Xilinx FPGA Reference Design [Analog Devices Wiki]

 

The example program shows always 0.0 Volts. I'm assyming that it is communication problem with spi interface.

 

Is there any solutions for this problem?

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