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It seems that the Sequence Generator once had a reset input (discussion from PR here). Without a reset input, they're very hard to use. Could a reset input be added?
I have been noodling with bit-serial CPU designs and the ability to insert arbitrary bit sequences at different points of the circuit would greatly simplify things. Right now I have to "build one from scratch" with all the complexity and limitations that entails.
For anyone else looking for a work around in the mean time, I have found that short sequence generators can be created using Custom Logic blocks. Here is an example for a 4-bit sequence.
@eparadis thanks, this is brilliant. I agree that the sequence generator should have a reset-- and ideally an initial state as well, but your workaround got me on the right path.
It seems that the Sequence Generator once had a reset input (discussion from PR here). Without a reset input, they're very hard to use. Could a reset input be added?
I have been noodling with bit-serial CPU designs and the ability to insert arbitrary bit sequences at different points of the circuit would greatly simplify things. Right now I have to "build one from scratch" with all the complexity and limitations that entails.
For anyone else looking for a work around in the mean time, I have found that short sequence generators can be created using Custom Logic blocks. Here is an example for a 4-bit sequence.
I modeled the behavior after the timing diagrams of the T.I. CD54HC4017. When RESET goes high, the sequence output is held at the first step.
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