RSDEC-DBLK-XM-U3 Lattice, RSDEC-DBLK-XM-U3 Datasheet - Page 33

• Manufacturer Part Number: RSDEC-DBLK-XM-U3
• Description: Encoders, Decoders, Multiplexers & Demultiplexers Dynamic Block Reed Solomon Decoder
• Manufacturer: Lattice

Specifications of RSDEC-DBLK-XM-U3

• Factory Pack Quantity: 1

IPUG52_01.6, December 2010
This appendix gives resource utilization information for Lattice FPGAs using the RS Decoder IP core.
IPexpress is the Lattice IP configuration utility, and is included as a standard feature of the Diamond and ispLEVER
design tools. Details regarding the usage of IPexpress can be found in the IPexpress and Diamond or ispLEVER
help system. For more information on the Diamond or ispLEVER design tools, visit the Lattice web site at:
www.latticesemi.com/software.
Table A-1
Table A-1. Parameter Settings for Standard Configurations
RS Parameters
wsymb
fpoly
gstart
rootspace
Check Symbols
Variable check symbols
Number of check symbols
Max. number of check symbols
Block Size Type
Block size type
Block size(n)
InfoSymbols(k)
Puncturing
Number of puncture patterns
Decoding Mode
Decoding mode
Memory Type
Memory type
Optional Input/Output Ports
ce
sr
errcnt
ddel
fail
erscnt
Parameter Name
gives the parameter settings for the standard configurations shown in
Automatic
(config1)
Constant
OC-192
Error
285
255
239
Yes
Yes
No
NA
NA
NA
No
No
No
NA
8
0
1
Automatic
(config2)
Constant
CCSDS
Error
391
112
255
223
Yes
Yes
NA
NA
NA
NA
No
No
No
No
11
8
Automatic
(config3)
Constant
33 Dynamic Block Reed-Solomon Decoder User’s Guide
Error
DVB
285
204
188
Yes
Yes
No
NA
NA
NA
No
No
No
NA
8
0
1
Core Configuration
Automatic
(config4)
Constant
ATSC
Error
285
207
187
Yes
Yes
NA
NA
NA
No
NA
No
No
No
8
0
1
Resource Utilization
WirelessMA-SCa or
WirelessMA-OFDM
IEEE 802.16-2004
Table A-2
Puncturing
Automatic
(config5)
Variable
285
Yes
Yes
Yes
NA
NA
NA
No
No
No
No
16
8
0
1
4
through
IEEE 802.16-2004
WirelessMAN-SC
Table
Automatic
(config6)
Appendix A:
Variable
Error
285
Yes
Yes
Yes
NA
NA
NA
NA
NA
No
No
No
32
A-8.
8
0
1