Intel® Quartus® Prime Software
Intel® Quartus® Prime Design Software, Design Entry, Synthesis, Simulation, Verification, Timing Analysis, System Design (Platform Designer, formerly Qsys)
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how to set weak pull up resistor

Altera_Forum
Honored Contributor II
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hi, 

In: 

assignments - settings - fitter settings - more fitter setting, there is item weak pull-up resistor 

I set it on and off, i found it does work. 

 

But In: 

assignments - assignment editor. 

I set value(ON) and enabled(YES) for weak pull -up resistor, i found it does not work. 

 

the device is EPM240, i don't know what is the diffenence between the two ways to contol the weak pull up feature. would the two setting be conflicted?
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Altera_Forum
Honored Contributor II
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Did you make the assignment to a specific pin? Can you post the exact qsf file entry?

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