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Math 87
Xilinx Blocks
Block Parameters Dialog Box
The block parameters dialog box can be invoked by double-clicking the icon in your
Simulink model.
Figure 3-58: Logical block parameters dialog box
Parameters specific to the block are:
• Logical Function: specifies one of the following bitwise logical operators:
AND, NAND, OR, NOR, XOR, XNOR.
• Number of Inputs: specifies the number of inputs: either 2, 3, or 4.
• Align Binary point: specifies that the block must align binary points
automatically. If not selected, all inputs must have the same binary point position.
Other parameters used by this block are explained in the Common Parameters section
of the previous chapter.
Xilinx LogiCORE
The Logical block uses the Xilinx LogiCORE Bus Gate V5.0 if the Implement with
Xilinx Smart-IP Core parameter is checked and the input data width is between
1 and 64, inclusive. Otherwise, the block is implemented as a synthesizable VHDL
module.
The Core datasheet can be found on your local disk at:
%XILINX%\coregen\ip\xilinx\eip1\com\xilinx\ip\baseblox_v5_0\do
c\bus_gate.pdf