Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

TimeQuest Issue on CDC Synchronization on Control and Data Path

Hi everybody, I have an issue on appropriate TimeQuest Constrains on a Clock Cross Domain Design. My context is an external Synchronous bus with a control signal and a set of data signals: my ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi Claudia and Rysc.

What about recreating a bus cycle with the external clock?

i.e. to use a state machine, using the internal clock, that latches control signals and detect the begining of the cycle, triggering another machine, at the external clock frequency, that recreates the bus cycle. I don't know if I was clear.

bye all