PCIE Tutorial: Address Space and TLP Routing

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PCIE Tutorial: Address Space and TLP Routing

In the previous tutorial we talked about PCIE TLP transactions and their packet header formats. Here we talk about PCIE address space and routing.

There are three schemes PCIE adopts to route TLPs across links, address routing, ID routing, and implicit routing. The following table shows which scheme is used for each TLP type.

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We are a couple of RTL design engineers with combined more than 40 years of experience in ASIC and FPGA digital design. We successfully led several chips through the whole process from feature define, RTL design, verification, to backend/DFT support, TO, and bring-up. We are familiar with Xilinx FPGA design too and have experience in using multiple FPGAs to verify complicated ASIC RTL design or for the final product. We are interested in working as independent contractor for your projects. Please send us private message if there is a match. Thank you!
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