PCIe 5.0, 4.0, 3.1/3.0 Switch Fabric IP Core Supporting up to
32 Root/Hosts, 32 Endpoint/Devices, Built-in NTB 


XpressSWITCH-MRB is a customizable and fully configurable Fabric Switch IP for
PCIe designed for ASIC and FPGA implementations that enables high-performance
communication between multiple hosts or root complexes and one or more devices
or endpoints. XpressSWITCH-MRB is a self-contained Fabric Switch IP implemented
entirely in RTL logic; it does not require any external Fabric Manager or Management
Host nor does it implement any embedded CPU. Once configured via the integrated
Fabric Manager, the PCIe Fabric Switch IP enables sharing of every endpoint resources
such as PFs or VFs among all available hosts, using device drivers natively provided
by the Operating Systems running on each host. XpressSWITCH-MRB optionally
implements Non-Transparent Bridging (NTB) functionality, allowing every host to
communicate with each other and to support failover mechanisms. By implementing
XpressSWITCH-MRB into their SoCs, designers have a flexible, configurable,
self-contained solution for PCIe Fabric switching with multi-host to multi-device
connectivity that is ultra low latency, low power, and O/S and platform agnostic. 


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