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Can I use FPGA GCLK pin as a GPIO pin ?

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amburose

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hi...
can i used FPGA GCLK pin as a GPIO pin...


plz quick reply...
 

Re: GCLK in FPGA

no... GCLK is global clock that is used to tick every (first in chain) flip flops.
 

Re: GCLK in FPGA

Yes, in Altera devices you can use, as a Input pin. Don´t forget to uncheck the "Use Global Clock" option ins settings menu.
 

GCLK in FPGA

depends on the FPGA famaly, check data spec
 

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