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Microblaze Analog input port ?


ManuelPA

Question

I want to implement an analog temperature sensor (LM35) using Microblaze on Vivado, I want to use an IP and i have tried use the XADC but is very complicated its configuration, so my question, Is there some IP that along with Microblaze allow reading of an analog signal?

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Hi ManuelPA,

You can use the XADC demo for your board. In the XADC wizard instead of selecting DRP select axi4lite, set the pins to external and the constrain the pins in the xdc. You can confirm which pins to constrain after you make the wrapper. Make sure the wrapper variable names match the contrained pins in the xdc.

thank you,

Jon 

xadc_esc.jpg

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