E-Tile Transceiver PHY User Guide

ID 683723
Date 9/30/2022
Public
Document Table of Contents

3.1.2.5. Data Pattern Verifier

The data pattern verifier is used to verify the signal received at the receiver. The deserialized data pattern is sent to the data pattern verifier, which compares the received data pattern to the pattern it is configured to. There are several patterns which can be verified in NRZ and PAM4 mode. For the same setting, depending on the encoding mode, either PRBSx (NRZ) or PRBSxQ (PAM4) is configured.

Table 44.  PRBS Patterns by Mode
NRZ Mode PAM4 Mode
PRBS7 PRBS7Q
PRBS9 PRBS9Q
PRBS11 PRBS11Q
PRBS13 PRBS13Q
PRBS15 PRBS15Q
PRBS23 PRBS23Q
PRBS31 PRBS31Q
User-defined pattern 80-bit

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