Decoder test -
the D3_8E
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![](exerci1.jpg)
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![](exerci2.jpg) |
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![](exerci3.jpg) |
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Use the [Select Object(s)] tool to point at the
component.
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Note the red colour as marker
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Select the [Push into Symbol] to open a new
window with the content of the symbol
(Works only with complex components like this)
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If your working with floating windows must you
go back to the ISE window in order to find to Schematic.
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Try to figure the diagram
(which level of E will enable the Decoder)
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![](exerci4.jpg)
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![](exerci5.jpg)
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![](exerci6.gif) |
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How to assign fixed
levels like 1/0 => Vcc / Gnd
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![](exerci7.jpg)
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![](exerci8.jpg)
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![](exerci9.jpg)
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![](exerci10.jpg)
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![](exerci11.jpg)
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![](exerci12.jpg)
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![](exerci13.jpg)
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![](exerci14.jpg)
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![](exerci15.jpg)
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![](exerci16.jpg)
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![](exerci17.jpg)
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![](exerci18.jpg) |
![](exerci19.jpg)
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![](exerci20.jpg)
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![](exerci21.jpg)
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![](exerci6.jpg)
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![](exerci22.jpg) |
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![](exerci23.jpg) |
![](exerci24.jpg) |
![](exerci25.jpg)
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![](exer2_5.jpg)
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![](exerci26.jpg)
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![](exerci27.jpg)
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![](exerci1.gif)
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![](exerci28.jpg)
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- Go back to the schematic and make the signal E an input.
- Make a test with the new circuit.
- If you like to try some VHDL - do the same with the VHDL
example.
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