jhenderson
Site Admin
Joined: 07 Mar 2006
Posts: 2267
Location: So. Cal. USA
|
 Posted: Tue Jul 03, 2007 2:19 pm Post subject: Avoiding metastability |
 |
|
| Quote: | What is the alignment between the sample clock and the trigger on the PMC and XMC modules such that we do not get a meta-stable event?
|
The way we handle the trigger potential metastable condition, is by adding a double (or triple) register circuit at its input, clocking on the sample clock. This way, there's no strong requirement on the external trigger timing circuitry on the customer's hardware.
_________________
phpbb1 |
|
