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OMAP-L137 GPIO Pulses Resolution

Mohd Hafiz Fazalul Rahiman
Prodigy 175 points

Hi,

 

I used BSL example provided by Spectrum Digital to create high speed pulses on GP0 port. I modified the LED program in the example given and make a simple bit toggle. when i check with the scope, the pulses created was a 20us pulse. Is there any overhead in the library?

How do i achieve nanosecond pulses?

  • 0
    TI__Mastermind 27585 points

    When you say high speed pulses, do you mean an output that looks like a clock signal? If so you can use one of the timers or PWMs to output high frequency clocks.

    If you just need one high frequency pulse, you can set the timer to one-shot mode as well.

    Jeff