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Visitor
Visitor
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Registered: ‎01-13-2020

ZC706 Configure VADJ to 1.8V Using TI Fusion Figital Power Designer

When I reconfigure the VADJ rail from default 2.5V to 1.8V, Vivado hardware manager is unable to connect to the board and the on-board fan covering the Zynq SoC stops running when I power on the board.

In the user manual page 82, it says the following:

"In this mode the user can control when to turn on VADJ and to which voltage level (1.8V, 2.5V , 3.3V)." This implies that it can be set to 1.8V, yet it causes the problems I mentioned above.

What is the correct process in reconfiguring VADJ from the default 2.5V to another voltage?

evelynschao_0-1606958238083.png

 

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Moderator
Moderator
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Registered: ‎06-14-2010

Hello @evelynschao ,

See this similar post that may help you with your issue:

https://forums.xilinx.com/t5/Xilinx-Evaluation-Boards/ZC706-Doesn-t-work-with-VADJ-at-1-8v/td-p/430086

Hope this helps.

Kind Regards,
Anatoli Curran,
Xilinx Technical Support
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