Early Power Estimator Download for Arria® II GX, Arria® II GZ, and Arria® V Devices
The early power estimator (EPE) results for Arria II GX, Arria II GZ, and Arria V devices are based on preliminary and characterized power data. Any results obtained while using this estimator are preliminary. The Arria II GX, Arria II GZ, and Arria V devices EPE provides a current (ICC) and power (P) estimate based on various typical conditions (such as room temperature and nominal VCC).
Note: These calculations should only be used as an estimation of power, not as a specification. The actual ICC should be verified during device operation, as this measurement is sensitive to the actual pattern in the device and the environmental operating conditions.
Instructions for Using the EPE for Arria II GX, Arria II GZ, and Arria V Devices
- To use the EPE for Arria II GX, Arria II GZ, and Arria V devices, Microsoft Excel must be installed on your computer.
- Open the spreadsheet, select the targeted family and packages from the Input Parameter section in the Main tab of EPE.
- Enter the resources that you are going to use in the design. Make sure the toggle rate of the resources match hardware performance.
- After you have finish entering all the resources in the EPE, go back to the Main tab to check the Total Power, Static Power, Power Supply Current, and so on.
The EPE for Arria II GX, Arria II GZ, and Arria V devices support the Microsoft Excel version stated below:
Microsoft Excel 93-2007 & |
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Note: A macro is embedded within the EPE for Arria II GX, Arria II GZ, and Arria V devices that allows you to reset all user-entered values. If you disable the macro, you must reset all user-entered values manually.
Known Issue 1: You might observe that the buttons do not work, or a run-time error “Object doesn’t support this property or method” appears when you open the EPE tool. This is due to a Microsoft security update.
Microsoft has released an update to fix this issue, please go to the following Microsoft Support page:
Excel 2013: https://support.microsoft.com/en-us/kb/2920754
If the above update doesn't fix the issue, or if you do not have access to these updates, perform the following steps:
- Reboot the computer if you've installed the above update.
- Close all Microsoft Office applications including Excel and Word.
- Open a Windows Explorer, and enter "%temp%" (without quotes) into the address bar.
- Press "Ctrl" + "F" and enter ".exd" (without quotes) into the search box.
- If any files with extension ".exd" are found, select and delete ALL found files.
- Next, enter "%appdata%" (without quotes) into the address bar. Again, press "Ctrl" + "F" and search for ".exd", and delete ALL found files.
- Reopen the EPE.
If the issues remain, please follow these steps:
- Open the EPE tool, go to "File" -> "Info" -> "Compatibility Mode" and click the "Convert" button.
- If a pop-up appears, click "OK" to proceed with conversion, and then click "Yes" to reopen the workbook.
The previous steps convert the original ".xls" EPE file into a ".xlsm" file. The newly created file should not exhibit the original issue.
Microsoft's description for this issue can be found at:
https://support.microsoft.com/kb/2726958
Known Issue 2: You might observe Excel crashes, and an error message “Excel has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available” appears when you open the EPE tool. This is due to Excel 2013 stability issue.
To solve the problem, install the Microsoft Office 2013 Service Pack 1. You can find more information about this update at the Microsoft Support website: https://support.microsoft.com/en-us/kb/2817430
The previous steps convert the original ".xls" EPE file into a ".xlsm" file. The newly created file should not exhibit the original issue.
Microsoft's description for this issue can be found at: