F-tile Architecture and PMA and FEC Direct PHY IP User Guide

ID 683872
Date 12/15/2021
Public

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2.3.2.1.3. FGT Gray-Coder and Pre-Coder

Output lanes transmitting PAM4 map to gray-coded, pre-coded, or gray-coded and pre-coded PAM4 symbols. For NRZ signals, the gray-coder and pre-coder are bypassed.

For the FGT gray-decoder and pre-decoder, reverse the process for the FGT gray-coder and pre-coder.

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