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Altera_Forum
Honored Contributor
19 years agoWhy is my PLL losing lock after i reconfigure it?
I was doing a PLL reconfiguration and changing only my M counter from 3 to 6. Every time I did it, my PLL would lose lock. Couldn't figure out why but after some digging I found the answer. Any ti...
Altera_Forum
Honored Contributor
18 years agoHello All ,
Actually , reset is not requried for the PLL reconfiguration If a reset is asserted , all the settings of reconfiguration will be lost For example , in the mif file , the initial phase of the PLL is 0 After the reconfiguration , the phase is increased by one If a reset is asserted , the Phase of PLL will return to 0 , instead of the value that user has set I have verified it on the Silicon Device Regards , Samson