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UCR EE 120A - Instruction to Download the Schematic to the Board

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Appendix B Instruction to Download the Schematic to the Board 1. Open a new project - one project for each of the files you will be working on. 2. Perform a functional simulation that checks the logical operation of your circuit. Check the waveform for all the input combinations and make sure that the output is correct for all conditions. If the output is correct, print your schematic and functional analysis output files. You have to select "Current Page" option before you send any file to the printer. 3. Open you schematic file. Delete the input and output terminals. Instead, add IPADs (inputs) and OPADs (outputs) in their places. 4. Now, you will have to map the input and output pins on the board to these pads. For this, select the components (IPAD or OPAD) and the click on the right mouse button. You will see a popup menu. Select symbol properties. You come to a square dialog box. In the space for name, type in capital letters, LOC, which stands for location. In the space for description, type the corresponding pin number, say p46 to an IPAD. Then, click add. You will see that the pin number you specified is added to the corresponding IPAD or OPAD. Do this for all inputs and outputs using the following tables which specify the input and output pin numbers. For example, Xi →p48, Yi→p47, Ci→p46, Ci+1→p19, and Si→p23. XC95108 pin Xsport p46 B0 p47 B1 p48 B2 p50 B3 p51 B4 p52 B5 p81 B6 p80 B7 5. Save the file. Now, go back to the opening screen. You are ready for implementation. 6. Click on the Implementation Design in the dialog box. Select device name 95108PC84. Then, click run. If an error message appears on the screen, then you need to find out the cause of the error. Click on verification and find out the cause of your error. Rectify it. 7. Now, you are ready for downloading the schematic on to the board. Click on Programming. You will come to a screen JTAG Programmer. This window lets us produce a stream of bits that is suitable for programming a set of XC9500 chips. Select the Output →→→→ Create SVF File… menu item. Then an SVF Options pop-up window will appear. Select Through Test-Logic-Reset, then click on OK. 8. Do not save the file in the rev (revision) directory that appears on the popup box but instead to save the .svf file we have to go into the C:\XSTOOLS\BIN directory and save the file there as our XC95108 pin LED seg p21 S0 p23 S1 p19 S2 p17 S3 p18 S4 p14 S5 p15 S6 p24 S7executable format will be built there. Therefore go to that directory and save the file as yourfilename.svf. 9. Now turn on the power for the XS prototype board. Make sure that the power supply is in the +6V range and adjust the voltage to about 6V. 10. Select Operation →→→→ Get Device ID and then click on OK. 11. In the JTAG popup window that you are in go to Operations →→→→ Program and select "Erase Before Prog" option. In this step erase the program on the board. 12. As the board has a ROM you probably will need to erase the previous program stored on the board. Go to Start →→→→ Run and type C:\XSTOOLS\BIN\Xstest.bat xs95-108. This will clear the old program from the board. 13. You are now ready to download your program. Go to Start →→→→ Run and type C:\XSTOOLS\BIN\Xsload.exe yourfilename.svf. 14. To test the program, we test it for all possible combinations of the input. For example, if we have 3 inputs the test vector shall range from 000 to 111. To test for each condition go to Start →→→→ Run and type C:\XSTOOLS\BIN\Xsport.exe yourtestvector where you have to manually change your test vector from 000 to 111 for a 3 input circuit and so on. The corresponding output will be displayed on the LED on the board. For 4 inputs case, you have to change the test vector from 0000 to 1111. 15. When you are ready for the experiment, let the TA check your results. 16. When you finish your lab experiment, delete all the .svf files under the BIN


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