vhdl coding in xilinx
DESCRIPTION
Basic steps to write a VHDL code in Xilinx ISE environment. Step-by-step picture is also shown to get the clear view of the process.TRANSCRIPT
Following are the steps for writing and simulating VHDL code in Xilinx ISE environment.
1) Create New project from File Menu.
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3) Select options as shown below:
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4) Press ‘Next’ two times in the follow-up windows and then ‘Finish’ at last.
5) Select New Source by clicking on project in sources window as shown below:
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6) Select VHDL Module and name the file. Then click Next
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7) Give port declarations as we do in entity. Then click Next. And then Finish.
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8) VHDL Code is presented on the screen. Now we just have to write the code in architecture.
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9) Select New Source by clicking on project in sources and then select Test Bench Waveform and name the file. Then Click Next two times and then Finish.
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10) A new window appears as shown below. For combinational circuits select combinatorial clock.
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11) Set the input waveforms by clicking on the waveform at different time intervals.
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12) Select Behavioural Simulation from sources window.
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13) Under Processes window simulate the file.
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14) The output simulations is observed at last.
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