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Pulsewidth is basically an analog signal. Buffering of pulsewidth information and resending it delayed, which is apparently necessary for your design, involves time discretization as a first step. You have to decide about a resolution and have to provide a sufficient fast clock for pulsewidth measurement. You must also specify an supported upper pulsewidth bound. In other words, start with a clear specification.
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Hi thanks for that
maybe i need to make it clearer the pulse width i am generating is in my program so for a given digital input i am creating a set of 10 different widths of pulse as per the diagram eg 300us , 800us etc, i need to just have each pulse follow on from each other as a serial output i.e to convert the parallel data to serial conversion. I have tried doing it as as staged ripple counter so when one finishes the next stage starts which works but i need to be able to store the origional data pulse so it will output at the right time when that stage is selected.
i hope this makes a bit more sense
jan
Honored Contributor
