https://fpgaer.tech/?p=533 - Part 1, what is an arbiter?
https://fpgaer.tech/?p=542 - Part 2, implementing and testing a fixed-priority arbiter
https://fpgaer.tech/?p=622 - Part 3, Round-robin VHDL arbiter, code and testbench
Show HN: VHDL arbiters tutorial – Three parts
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Re: Show HN: VHDL arbiters tutorial – Three parts
#2All the sources for the designs and testbenches were tested on Vivado and are available at GitHub. For the generic implementations I used unconstrained ports, which gives much simpler and compact code than using generic parameters.
The implementation of the round-robin arbiter uses a very clever and (again) compact algorithm.