User guide

System Generator for DSP Getting Started Guide www.xilinx.com 67
UG639 (v 14.3) October 16, 2012
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.