![]() ![]() The tacho_count output increments without resetting. In summary, synthesis appears to be ignoring my attempt to reset a variable to 0 (see comment 'this does not appear to execute' below). The behavioral simulation does output the values I was expecting. When I say doesn't work I mean post-synthesis functional simulation doesn't produce the results I would expect. Integrated Design Environment Automated UltraFast Design Rules Run and report generation. Support for non-processor based Memory initialization via XPMMEMORY. I have found examples on the web that achieve what I need to do, but in an attempt to not make the same mistakes in the future I would like to understand why this solution doesn't work. Vivado Design Edition Tools General Support for IEEE 1735-2014 based encryption enabled that allows sharing IPs in a secure and easy way. I simply count clk rising edges (50Mhz) between each rising edge of the tacho pulses (1Mhz). I am attempting to implement a tachometer interface that will accept digital pulses as an input.
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