Arria® 10 Transceiver PHY User Guide

ID 683617
Date 4/01/2024
Document Table of Contents PRBS Soft Accumulators

The Pseudo Random Binary Sequence (PRBS) soft accumulators are used in conjunction with the hard PRBS blocks in the transceiver channel. This section describes the soft logic that can be added to the Native PHY IP core. To enable this option, turn on the Enable PRBS Soft Accumulators option in the Native PHY IP Parameter Editor.
The PRBS soft accumulator has three control bits (Enable, Reset, and Snapshot) and one status bit (PRBS Done).
  • Enable bit—used to turn on the accumulation logic. This bit is also used for selective error accumulation and to pause the sequence.
  • Reset bit—resets the PRBS polynomial and the bit and error accumulators. It also res