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Participant
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Registered: ‎05-05-2016

w_en_b_cntl efuse cntl bit (5) not available in GUI Vivado 2018.2

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I have seen other configuration questions about the eFUSE bits that show bit(5) in the GUI window yet I don't have it available in 2018.2 for a V7 design.  Is this a known issue?  How do I set this bit and lock down my eFUSE settings?

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Participant
Participant
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Registered: ‎05-05-2016

I was provided an answer to this elsewhere and wanted to share so the issue could be closed.

Because of a problem with earlier versions, the w_en_b_cntl bit was removed from the GUI list, and must be set with a TCL command:

program_hw_devices -control_efuse {20} [lindex [get_hw_devices] 0]

Although it does not appear to be updated in the Xilinx documentation there are help files in Vivado that provide this tcl command.

Control_reg_gui.JPG

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Participant
Participant
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Registered: ‎05-05-2016

I was provided an answer to this elsewhere and wanted to share so the issue could be closed.

Because of a problem with earlier versions, the w_en_b_cntl bit was removed from the GUI list, and must be set with a TCL command:

program_hw_devices -control_efuse {20} [lindex [get_hw_devices] 0]

Although it does not appear to be updated in the Xilinx documentation there are help files in Vivado that provide this tcl command.

Control_reg_gui.JPG

View solution in original post

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