Xilinx System Generator V2.1

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66 Xilinx Development System

Xilinx System Generator v2.1 Reference Guide

Block Parameters Dialog Box

The RS Encoder block can be conﬁgured using its Block Parameters dialog box.

Figure 3-44: Reed-Solomon Encoder block parameters dialog box

Parameters speciﬁc to the RS Encoder block are:

• Code Specification: speciﬁes the type of RS Encoder desired. The choices

are:

♦ Custom: allows you to set all the block parameters.

♦ ATSC: implements ATSC (Advanced Television Systems Committee) stan-

dard (207, 187) shortened RS code.

♦ CCSDS: implements CCSDS (Consultative Committee for Space Data

Systems) standard (255, 223) full length RS code.

♦ DVB: implements DVB (Digital Video Broadcasting) standard (204, 188)

shortened RS code.

♦ IESS-308 (126): implements IESS-308 (INTELSAT Earth Station Standard)

speciﬁcation (126, 112) shortened RS code.

♦ IESS-308 (194): implements IESS-308 speciﬁcation (194, 178) shortened RS

code.

♦ IESS-308 (208): implements IESS-308 speciﬁcation (208, 192) shortened RS

code.

♦ IESS-308 (219): implements IESS-308 speciﬁcation (219, 201) shortened RS

code.

Xilinx System Generator V2.1 - Page 66