Cyclone V Device Handbook: Volume 2: Transceivers

ID 683586
Date 10/24/2018
Document Table of Contents 8B/10B Encoder in Double-Width Mode

In double-width mode, two 8B/10B encoders are cascaded to generate two sets of 10-bit code groups from 16-bit data and two 1-bit control identifiers. When receiving the 16-bit data, the 8-bit LSByte is encoded first, followed by the 8-bit MSByte.

Figure 25. 8B/10B Encoder in Double-Width Mode