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Found 4 results

  1. Hi, I've been trying to get the PMOD DA2 (just Channel 1 for now) working on a fleet of Arduino Leonardos via the ICSP header. I'm getting bizarre (jumpy, non-monotonic) voltages out of it and I'm stumped. Things get particularly squirrely around outputting 2048 counts (half scale) - I do believe that my upper/lower byte math is correct, so i think the issue is with the SPI writing/sequencing. Has anyone had any luck putting a DA2 on a Leonardo via ICSP? I've attached my (not working) test sketch. Any idea what's wrong? I poked around the web and this forum, but can't seem to find a
  2. Hello I am new to FPGAs, and I'm using Pmods AD1 and DA2 in a control application on ZedBoard, using VIVADO and SDK. Is there any tutorial or hint to know how to start the design and interfacing between ZedBoard and these pmods. Thanks. Elie.
  3. Hello Everyone, Is there any good resource or tutorial to interface DAC with Zybo board, i would like to interface the DA2 pmod with zybo by making a custom ip in Vivado (VHDL) and accessing that in Xilinx SDK. If anyone have experience let me know.
  4. i have a pmod da2, i use it with basys2 board I use the refcomp design given by digilent, fixing the digitals values I simulate, and implement it on board, verified signal with digital analyser... put a scope on analog outputs... everything seams to be good, but no anlog value on the output! Some one could help me? thank you