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Found 5 results

  1. hey everyone, I am trying to generate different waveforms of analog signals using ZEDBOARD + PMODDA2. My previous question was about Pmod+zedboard. Then, I was able to simulate the example verilog code (pmod_da2_demo) and -after changing the constraint file (.xdc)- i generated the bitstream and programmed the FPGA on my ZEDBOARD. This example piece of code generates an 12-bit digital input to the DAC and the output is expected to be a triangular waveform whose output amplitude is in between around 1.5 and 2.5 Volts. When I checked the output on the o-scope i have obtained the following
  2. Hey, Can I use Digilent's peripheral "Pmod DA2: Two 12-bit D/A Outputs" on zedboard ? If I check, https://reference.digilentinc.com/learn/programmable-logic/tutorials/pmod-ips/start this link, under Platforms Supported, ZedBoard is not listed. That makes me wonder if I still can use PMODDA2 and other Pmods on my zedboard? IF yes, i think we do not have an IP specificially created for PMODDA2...
  3. Dear All, I am trying to get two signals in the pmodAD1 simultaneously and send the data through the two channels in the pmodDA2 simultaneously. I got the code working for a single channel and I tried to modify it for two of them. However, even though the compilation does not give me any error, I do not see any signal out of the pmod in the oscilloscope. Please, find attached the piece of code. Any help or suggestion will be really appreciate it! Thanks a lot! 2channel main.txt 2channel pins.txt
  4. hi, I am using PMOD AD1 and PMOD DA2 on ZC702 Eval Board but it dose not work. Befor that I used my code with spart 3a, spartan6 and zedboard and my code work for all of them but when I used that code for the zc702 it dose not work. I use clock division to send 20 Mhz : This is my code: library ieee; use ieee.std_logic_1164.ALL; --use ieee.std_logic_arith.all; use ieee.std_logic_unsigned.ALL; use ieee.numeric_std.all; Library UNISIM; use UNISIM.vcomponents.all; entity ad1_da2 is port( SCLK_P : in std_logic; SCLK_n : in std_logic; CS : out std_logic
  5. Dear All, I am planning to program a PID controller on the Basys3. For this purpose, I first tried to get a signal from a function generator into the ADC (pmodAD1) and output it through the DAC (pmodDA2). This works fine. I wanna take the digital output of the ADC, multiply or divide it by a real factor and output the result through the DAC. There might be better ways of doing this but in order to specify the re number, I have created two integer numbers and apply a division between them. This would allow me to get any "real" number that I want. constant mul_number : i