System Generator for DSP Getting Started Guide www.xilinx.com 87
UG639 (v 12.2) July 23, 2010
Lesson 6 - Designing Filters
The Virtex DSP48 Math Slice
The Virtex® family introduces a high-performance arithmetic unit along with a multiplier: the low-power DSP48
slice. The following figure is a detailed diagram of the DSP48 structure. The DSP48 slice consists of four main
sections: (1) I/O registers, (2) signed multiplier, (3) three-input adder/subtractor, and (4) OPMODE multiplexers.
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