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AS5048A with NI-8451

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Hello,

 

I am actually working on a cell AS5048A and I have got some issues.  

I am trying to get angular information from the AMS cell AS5048A which is communicating with SPI interface.  

I am using a software Labview and an USB-8451 from National Instruments.  

I connected the AS5048A to a PCB dedicated.  

According the the Datasheet of AS5048A, I try to access to the register x3FFF to get the require data. 

The command package is the following one :

Capture.PNG

So I made this software to send information :

Diagramme.PNG

 

Front pannel.PNG

 

The only answer I have on my MISO signal is the address sent on the MOSI.

Did I make a mistake ?

Why the cell answer me the address sent ?

 

Thank you.

 


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