Programmable Devices
CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers
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cyclone ii - internal clock?

Altera_Forum
Honored Contributor II
‎11-02-2010 08:38 PM
1,277 Views

does the cyclone ii fpga have any internal clock?? or do all the PLLs, always@ (posedge clk)..etc... need to be synced to some sort of external clock input?

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Altera_Forum
Honored Contributor II
‎11-02-2010 10:21 PM
283 Views

you need to feed the Cyclone II device/PLLs with an external clock 

 

you could take a look at a MAX II CPLD which has an internal oscillator
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