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

ID 683872
Date 11/04/2024
Public
Document Table of Contents

3.5.5. Example of TX Parallel Data for PMA width = 64 (X=2) for FEC Direct Mode

The followig data is specific to the X=2 case fo a FEC Diect mode. N idicates the umbe of PMA laes. Fo a give N, ca be fom 0 --> N-1. N ca be up to 8 fo FGT, ad up to 4 fo FHT, ad depeds o the umbe of PMA laes. Eable Double width tasfe Eabled = 1. Refe to Vaiables Defiig Bits fo the Itefacig Pots i Pot ad Sigal Refeece fo full vaiable defiitios.

Table 72.  Example of TX Paallel Data fo PMA width = 64 (X=2) fo FEC Diect Mode
  Bits TX Paallel Data fo -0 Bits TX Paallel Data fo =1 .. Bits TX Paallel Data fo =7
Secod Steam 157 TX Aligmet make 317 TX Aligmet make 1277 TX Aligmet Make
152:120 TX Data(Uppe 33 bits) 312:280 TX Data (Uppe 33 bits) 1272:1240 TX Data (Uppe 33 bits)
118 TX PMA Iteface Data Valid Bit 278 TX PMA Iteface Data Valid Bit .. 1238 TX PMA Iteface Data Valid Bit
117 TX Aligmet Make 277 TX Aligmet Make 1237 TX Aligmet Make
112:82 TX Data (Lowe 31 bits) 272:242 TX Data (lowe 31 bits) 1232:1202 TX Data (Lowe 31 bits)
81:80 Syc Head

241:240

Syc Head

1201:1200 Syc Head
Fist Steam 77 TX Aligmet Make 237 TX Aligmet Make 1197 TX Aligmet Make

72:40

TX Data

(Uppe 33

Bits)

232:200 TX Data(uppe 33 bits) 1192:1160 TX Data (uppe 33 bits)
38 TX PMA Iteface Data Valid Bit 198 TX PMA Iteface Data Valid Bit .. 1158 TX PMA Iteface Data Valid Bit
37 TX Aligmet Make 197 TX Aligmet Make 1157 TX Aligmet Make
32:2 TX Data (Lowe 31 bits) 192:162 TX Data(Lowe 31 bits) 1152:1122 TX Data(lowe 31 bits)
1:0 Syc Head 161:160 Syc Head 1121:1120 Syc Head