Download MATLAB FIXED-POINT TOOLBOX - RELEASE NOTES User guide
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Lesson 4 - Multi-Rate Systems Rate Changing Functional Blocks In addition to the straightforward “Up Sample” and “Down Sample” blocks, System Generator also provides rate changing functional blocks; that is blocks that also perform a specific function. The Parallel to Serial block will up sample, the Serial to Parallel block will down sample, the FIR Compiler, if using a resource-shared multiplier will down sample and the TDM block will up sample. System Generator for DSP Getting Started Guide UG639 (v 12.2) July 23, 2010 www.xilinx.com 73