[casper] Error with mmcm

2015-02-12 Thread Nishanth Shivashankaran
Hi All, I am trying to create a yellow block for the roach2 with the MUSIC adc/dac, I replaced the DCM with the MMCM. I compiled the DAC and ADC portion separately. The DAC portion seems to work without any errors and I was able to put out tones and i visually saw it on the spectrum analyzer

Re: [casper] Error with mmcm

2015-02-12 Thread Wesley New
Hi Nishanth, Clearly your multiply and divide parameters are not what you expect them to be. The VCO frequency, needs to be between 600MHz and 1200MHz. VCO freq equals input freq * Multiply Parameter. Make sure that it falls within the correct range. If you are changing the CASPER tools then you