F-Tile Avalon® Streaming Intel® FPGA IP for PCI Express* User Guide

ID 683140
Date 12/17/2021
Public

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3.3.1. TLP Header and Data Alignment

The TLP prefix, header and data are sent and received on the TX and RX interfaces.

The ordering of bytes in the header and data portions of packets is different. The first byte of the header dword is located in the most significant byte of the dword. The first byte of the data dword is located in the least significant byte of the dword on the data bus.

Figure 12. Generic TLP Format
Figure 13. TLP Prefix, Header and DATA on RX/TX Interface

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