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AM3359: Reading input signal using PRU LATCH0

Part Number: AM3359

Hi,

I am trying to read the signal (generated by a waveform generator) using PRU capture input (capture6 rise and fall) / LATCH0.

The GREEN colored waveform indicates the input waveform to LATCH0 and the PURPLE colored waveform is the EDIO7_OUT indicating the waveform read using capture6 rise and fall.

I am unable to read the input waveform correctly at all times.

Waveform snapshot no.1 indicates the correctly read input signal and 2 and 3 indicates the input signal being misread.

In my program i am enabling capture6 rise and fall one-shot mode so that I can use the corresponding status flags and clear them by reading its corresponding capture registers.

Thank you!

Kind Regards,

Sagar Kunder

Waveform no.1


Waveform no.2


Waveform no.3