Interface Protocols · All levels
Protocols Glossary
Shared vocabulary for bus, memory, serial, and verification discussions.
Terms to use precisely
Beat: one data transfer unit on a channel.
Burst: multiple related beats controlled by one request.
Outstanding: transactions issued before earlier transactions complete.
Credit: receiver-advertised capacity for future transfers.
Ordering: rules that constrain observation order across requests and responses.
Payload efficiency: useful data divided by total transferred protocol overhead.
Compliance: evidence that implemented behavior maps to required spec features.