Programmable Devices
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cyclone V clock pins

Altera_Forum
Honored Contributor II
‎12-30-2015 02:53 PM
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I am developing a new board with cyclone V and I have a dubt about using clock pins. 

1)If CLK1P is used as clock input (single ended LVTTL) can I use CLK1N as regular I/O pin? 

 

 

Thanks ans best regards. 

 

 

Stefano
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Altera_Forum
Honored Contributor II
‎12-30-2015 07:33 PM
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Yes, but I think it can be an input only. You can verify this when you assign pins in Quartus. It will tell you if a pin is unavailable as an input or output.

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