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ArriaV GZ RREF pins

Altera_Forum
Honored Contributor II
‎08-03-2016 11:34 AM
930 Views

Hi all, 

 

What happens if the RREF pins of ArriaV 5AGZME1EH29 are left opened.Does the VCCIO/VCCPD/VBAT pins take over current?
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Altera_Forum
Honored Contributor II
‎08-03-2016 01:49 PM
235 Views

i think no over current, but pll can not drive as expected. having jitter. tranceiver will have link issue. rref is reference register pin for pll and tranceiver.

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