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72 Xilinx Development System
Xilinx System Generator v2.1 Reference Guide
Block Parameters Dialog Box
The CIC Block can be configured using its Block Parameters dialog box:
Figure 3-47: CIC block parameters dialog box
Parameters specific to this block are:
• Filter Type: Interpolator or Decimator
• Number of Stages: 1 to 8 (inclusive)
• Sample Rate Change: 8 to 16384 (inclusive)
• Differential Delay: 1 or 2
Other parameters used by this block are described in the Common Parameters section
of the previous chapter.
The CIC block cannot be placed in an enabled subsystem in System Generator v2.1.
See the Enabled Subsystems section (within the MATLAB I/O library documentation)
explanation for more details.
Xilinx LogiCORE
The CIC block always uses the Xilinx LogiCORE: CIC v1.0.
The Core datasheet can be found on your local disk at:
%XILINX%\coregen\ip\xilinx\primary\com\xilinx\ip\cic_v1_0\doc\
C_CIC_V1_0.pdf