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AR# 20275

LogiCORE Generic Framing Procedure (GFP) v1.2 - Release Notes and Known Issues for the GFP Core


General Description: 

This Release Note is for the Generic Framing Procedure Core v1.2 released in 6.3i IP Update 4 and contains the following: 

- New Features 

- Bug Fixes  

- Known Issues  


Please see (Xilinx Answer 20083) for installation instructions and software and tool requirements.


New Features in v1.2  


Supports 64-bit (OC-192) implementation 


Bug Fixes in V1.2  




GFP v1.2 Known Issues  


- UNMAP Core (64-bit Transparent Mode) might drop a cycle of data (Xilinx Answer 20331) 

- PAR issues: "WARNING:Par:62 - Timing constraints have not been met" (Xilinx Answer 20332) 

- VHDL 64-bit example design (loopback module) creates invalid data (Xilinx Answer 20333) 

- UNMAP Core (64-bit) can lose synchronization when a certain pattern of frames is received (Xilinx Answer 20335)  

- UNMAP Core (64-bit) loses sync on some frames if barker-scrambling is Off (Xilinx Answer 20336)

AR# 20275
Date Created 09/03/2007
Last Updated 05/16/2014
Status Archive
Type General Article