3.2.1. UIB Segments
UIB segments are NoC segments that interface with the UIB to connect to HBM2e memory. These UIB segments consist of three subsegments, each aligned with an FPGA clock sector. Overall, the UIB segment consists of the following:
- Nine AXI4 initiators on the FPGA fabric side.
- Sixteen AXI4 targets on the UIB side.
- Six AXI4 Lite targets on the UIB side.
- A network of switches that transfer packets laterally along the hard memory NoC and connect to the AXI4 initiators and target.
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