> > > > Can you give an example? Can be theoretical, doesn't have to refer > > to real hardware. > > For example, outputs A and B should both be driven high by reset. > They > are connected to a XNOR gate, whose output is fed to edge triggered > device. The device should not see any edges outside of the reset > cycle, during reset cycle they are ignored. >
I don't see the issue? After phase 1 the two outputs will be high, after phase two they will be whatever the device logic computes. During phase 1 you may see an edge, but that also happens with real hardware. The target device my see A and B driven high before it sees the reset pulse, and A and B (and the inputs of the XNOR gate) may have different timings. The device may see an edge immediately before reset, but then it will be reset itself.