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Found 3 results

  1. I am using zybo and block design flow to connect xadc ip to my system. But, the xadc is not giving out any info acquired from the outside. One forum mentioned that in case there is no instantiation xadc read internal voltage or temp. So I checked the wrapper and there is no instantiation of xadc. I am feeding the xadc with 100mhz clock. Should I change it? P. S; if I posted in the wrong forum please move my post. Thank you in advance for any help.
  2. I am facing problem in how to use XADC wizard in Nexys 4 DDR board I just want to get the digital conversion of external inputs and access that 12bits of digital output directly. I am new to this and for now, I'm trying to just interlink XADC and a 12bits of DAC to convert an analog input(taken from a function generator) to digital(which will be stored in FPGA) and then use that digital data to generate the same signal at the output of a DAC. It will be really helpful If you can explain/provide a step by step process to do it. You can help using block design or a source code.... whichever way possible.
  3. Hello, I have written many VHDL configurations, however, I am now working with block designs on VIVADO and am having trouble figuring out how to interconnect a binary counter with outputs Q[8:0] to inputs discrete logic ANDs ORs NOTs of various [?:?]. I need to do this so that I can determine multiple output values of the 9bit count. I would also need to know how to do this for other discrete logic circuits. Also any information about using wrappers to import the design into a VHDL usage would be helpful as that would be the next step. The specific trouble seems to be that when I connect Q[8:0] to OP[3:0] it just draws a bus and doesn't specify which actual pin configuration is present nor how to select which it should be. I have also gone thru several Xilinx reference materials on VIVADO and none of the techniques I have found demonstrate nor explain how to do this specific task. Thank you in advance Sincerely DC PS. 2 more considerations after I created this post 1) placing this circuit into a stand alone block IP circuit 2) Interconnecting directly TO FPGA IOs