Appendix A:
Resource Utilization
This appendix gives resource utilization information for Lattice FPGAs using the CIC Filter 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: ?
LatticeECP and LatticeEC FPGAs
Table A-1. Performance and Resource Utilization 1
IPexpress
User-Configurable Mode
Decimator, 8-bit data,
4 stages, 1 channel
Decimator, 16-bit data,
8 stages, 1 channel
Interpolator, 15-bit data,
7 stages, 4 channels
SLICEs
166
837
1205
LUTs
216
1509
898
Registers
301
1253
1980
sysMEM? EBRs
0
0
0
f MAX (MHz)
212
109
160
1. Performance and utilization data are generated using an LFECP33E-5F672C device, with Lattice Diamond 1.0 and Synplify Pro D-
2009.12L-1 software. Performance may vary when using a different software version or targeting a different device density or speed grade
within the LatticeECP/EC family.
Ordering Part Number
The Ordering Part Number (OPN) for all configurations of the CIC targeting LatticeECP/EC devices is CIC-FILTR-
E2-U2. Table A-2 lists the parameter settings that are available for the CIC.
Table A-2. Parameter Settings of the Standard Configurations
Parameter Name
ARC_INTERPOLATOR
ARC_INW
ARC_STAGE
ARC_CHANNEL
PROG_FIRDF
ARC_FIRDF
PROG_RATE=No
ARC_RATE=35
PORT_CLEAR=No
PORT_CE=No
PORT_CHOUT=No
PORT_OBSTART=No
PORT_RFI=No
ARC_RATE_MIN=2
Config 1
No
8
4
1
No
1
No
48
No
No
No
No
No
2
Config 2
No
16
8
1
No
2
No
4096
No
No
No
No
No
2
Config 3
Yes
15
7
4
No
4
No
35
No
No
No
No
No
2
IPUG42_02.6, August 2010
30
Cascaded Integrator-Comb (CIC) Filter User’s Guide
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CIC-FILT-XM-UT2 制造商:Lattice Semiconductor Corporation 功能描述:
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