100G Interlaken Intel® FPGA IP User Guide

ID 683338
Date 10/31/2022
Document Table of Contents

7.3. PRBS Generation and Validation

The 100G Interlaken IP core supports generation and validation of several predetermined pseudo-random binary sequences (PRBS) for Interlaken link testing.

This feature is available if you turn on Include diagnostic features in the 100G Interlaken parameter editor.

Table 25.  PRBS Polynomials Available in the 100G Interlaken IP Core
Pattern Name Polynomial Defined in Interlaken Specification Available in 100G Interlaken IP Core Variations with Target Device Family
Arria V or Stratix V Intel® Arria® 10
PRBS7 x7 + x6 + 1 Yes Yes No
PRBS9 x9 + x5 +1 No Yes Yes
PRBS15 x15 + x14 +1 No No Yes
PRBS23 x23 + x18 + 1 Yes Yes Yes
PRBS31 x31 + x28 + 1 Yes Yes Yes

For instructions to activate and use the PRBS test feature in your 100G Interlaken IP core IP core, refer to one of the following two topics: