Architects' Tech Alliance
Aug 14, 2022 · Fundamentals
Components of PCIe Architecture and Their Roles in Processor Systems
This article explains the main components of PCIe architecture—including Root Complex (RC), switches, and PCIe‑to‑PCI bridges—how they are implemented in different processor systems such as x86 and PowerPC, and the mechanisms for QoS, port arbitration, and extended configuration space.
EndpointPCIePort Arbitration
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