On Sun, Oct 2, 2011 at 7:08 PM, Avi Kivity <a...@redhat.com> wrote: >> > phase 1: reset internal state (-> move all outputs to reset >> > values), don't >> > sample inputs yet >> >> This solves the problem of old state accidentally interfering with >> reset state. >> >> > phase 2: allow sampling inputs >> >> This could lead to incorrect state for complex networks. It would >> still be better than what we have now. >> > > 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.
