AXI Register Slice - AXI Register Slice - 2.1 English - PG059

AXI Interconnect LogiCORE IP Product Guide (PG059)

Document_ID
PG059
Release_Date
2025-12-19
Version
2.1 English
FULLY_REGISTERED
Register slices (each applicable channel): One latency cycle with no bubble cycles (best-case 100% channel bandwidth).
LIGHT_WEIGHT
Register slices (each applicable channel): One latency cycle with one bubble cycle (best-case 50% channel bandwidth), which is appropriate for AW, AR, and B channel transfers, and all transfers involving AXI4-Lite endpoints.
SI Reg or MI Reg
One latency cycle, no bubble cycles.
SLR Crossing mode and SLR TDM Crossing mode
Three latency cycles (of aclk), no bubble cycles.
Multi SLR Crossing
Overall latency varies between 1 and 17 cycles depending on the number of SLR boundaries crossed and the number of pipeline stages configured within each SLR region.