188.8.131.52.6. 8B/10B Encoder Byte Reversal Feature
The byte reversal feature is available only when the PCS-PMA interface width is 16 bits or 20 bits. Byte reversal is performed at the output of the 8B/10B Encoder and is available even when the 8B/10B Encoder is disabled. This feature swaps the LSByte with the MSByte. For example, when the PCS-PMA interface width is 16-bits, [7:0] bits (LSByte) gets swapped with [15:8] bits (MSByte).
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