Can I use FPGA GCLK pin as a GPIO pin ?

[amburose]

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


plz quick reply...

 

[electron_boy]

Re: GCLK in FPGA

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

 

[btminzon]

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.

 

[Iouri]

GCLK in FPGA

depends on the FPGA famaly, check data spec