System Generator for DSP User Guide www.xilinx.com 105
UG640 (v 12.2) July 23, 2010
Design Styles for the DSP48
4 inputs and 2 ouputs MUX circuit can be decoded as the following:
sel A inputs B inputs Opode
0alobloA*B
1 alo bhi A*B+P>>17
2ahibloA*B+P
3 ahi bhi A*B+P>>17
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