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Altera_Forum
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9 years ago

PLL reconfig on Cyclone V stops responding

I am currently using a PLL on a Cyclone V device to generate a clock that is used to run a reasonably low frequency RF transceiver (class D amplifier and direct ADC sampling). As a part of general op...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I think I may have fixed it. I added a read of the status register *before* setting any counter registers, and the device is now up to 15 million PLL frequency changes without a failure.