AR# 15113: 4.2isp3 Project Navigator GUI - No BitGen "debug bit stream" option is available for Spartan-II/IIE devices in ISE
4.2isp3 Project Navigator GUI - No BitGen "debug bit stream" option is available for Spartan-II/IIE devices in ISE
Keywords: Project Navigator, ISE, BitGen, debug, bit stream, bitstream, -g, Spartan-II
General Description: Although the BitGen "-g DebugBitstream" option is available from the command line for the Spartan-II/IIE devices, Project Navigator does not provide a property selection that allows this option to be added to these devices.
The BitGen software does have the capability to create a "debug bit stream" option for Spartan-II/IIE devices; however, the GUI option was not added.
If a "debug bit stream" option is needed, you may work around this problem by creating the bit stream from a command prompt as follows:
1. Run the BitGen process (Generate Programming File).
2. Double-click on "View Command Line Log File" under the "Design Entry Utilities" processes.
This will open the <design_name>.cmd_log file. The last entry should be the BitGen command line.
3. Either copy and paste this line to a batch file, or save the entire file as a batch file.
4. Edit the command line in the batch file so that it includes the -g DebugBitstream option.