SPI setup

SPI setup

Postby speedracer » Wed Nov 30, 2016 11:12 am

I am attempting to control an Analog Devices DDS chip - the AD9835BRU - from an ExSBC1 card using the SPI port. The Basic call you provide to send bytes uses the SPI protocol with CPOL = CPHA = 0. The DDS chip requires CPOL = 0 and CPHA = 1, however. Is there a way to setup the SPI port to use this protocol??

Thanks,

Charles
speedracer
 
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Re: SPI setup

Postby Daniel » Wed Nov 30, 2016 2:17 pm

I will look into it today and let you know by tomorrow.
Daniel
 
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Joined: Tue Nov 13, 2012 2:10 pm


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