Altera SerialLite II IP Core - Manual (Page 15)

1–10 Chapter 1: About This MegaCore Function
Installation and Licensing
SerialLite II MegaCore Function January 2014 Altera Corporation
User Guide
Your design stops working after the hardware evaluation time; the SerialLite II
MegaCore function is forced into reset.
f For more information on OpenCore Plus hardware evaluation, refer to AN 320:
OpenCore Plus Evaluation of Megafunctions .