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Related

PWM signal generation

473srikanth
473srikanth over 9 years ago

Hello Friends,

i want to generate PWM signal with 50Hz Frequency and pulse width varing between 1msec and 2msec. 

i found that the processor is working at 666.66 Mhz.

How can i generate this signal ??

Thanks in advance...

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  • jafoste4
    0 jafoste4 over 9 years ago

    Hello 473srikanth,

    I would suggest you set one of the programmable Logic(PL) clocks to as slow as possible (I believe that is 0.1MHz) and then divide it down using HDL code to your desired 50Hz. 

    You may also want to refer to the Zynq Hardware Labs specifically lab 2 for further information. 

    http://zedboard.com/course/developing-zynq%C2%AE-7000-all-programmable-soc-hardware-vivado-20133-and-201441

     

    --Josh

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  • 473srikanth
    0 473srikanth over 9 years ago

    Hello Josh sir,

                          Thank you very much for the reply. I actually want to use the PS section for generating the PWM signal (50Hz Frequency and the pulse width 1msec to 2msec). 

    How can i generate such type of signal?

    Thanks in advance.

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  • jafoste4
    0 jafoste4 over 9 years ago

    Hello 473srikanth,

    In that case I would suggest you go and take a look at Adam Taylor's MicroZed Chronicles, speciffically issues 14 through 20 on PS timers.

    http://zedboard.org/content/microzed-chronicles

    -- Josh

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  • 473srikanth
    0 473srikanth over 9 years ago

    Hello Josh Sir,

                                Thank you very much for the reply. i explored those issues related to timers and i programmed in xilinx sdk and generated pwm signal . i want to check whether my pwm signals are 50Hz or not. How can i check the signals ?(apart from CRO usage)  

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