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Solution ID: rd03282007_450
Last Modified: May 06, 2008
Product Category: Devices
Product Area: Board Design and Layout
Product Sub-area: BSDL/BST Files
Problem
Why am I unable to sample pins that are configured as outputs when performing Boundary Scan testing on my programmed MAX® II device?
Solution
By default, the input buffers are turned off for I/O pins that are configured as outputs in your design.
To regenerate your programming file to enable the input buffers, you need to set the 'Always Enable Input Buffers' option in Quartus® II software and re-run the Assembler.
This option is in the Assembler section under the Assignments/Settings menu in Quartus II software.
Feedback
Altera does not warrant that this solution will work for the customer's intended purpose and disclaims all liability for use of or reliance on the solution.
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