* Not synthesized yet
* Well tested, need to automate and do special cases

* Tested via simulation
* still no header insertion

* OK for one sequence
* No timeout yet
* No new features

* Only Sequence detector and frame counter
* No header insertion yet
* Not simulated, not synthesized

* Change the External data path on GT wizard settings
* tie the loopback to top level
* bring the usrclk2 out to the top level