This Answer Record contains the Release Notes for the LogiCORE Gigabit Ethernet MAC v8.3 Core, which was released in 9.2i IP Update 1. It includes the following:
- New Features
- Bug Fixes
- Known Issues
For installation instructions and design tools requirements, see (Xilinx Answer 25222).
- Support added for ISE 9.2i.
- Virtex-4 and Virtex-5 devices: reworked the GMII and RGMII input delays to improve jitter performance. Fixed mode IODELAYs are now instantiated on both the data and clock inputs. Users should specify the values of the delays in the UCF file.
- When using the Example Design Local Link RX FIFO, incorrect data can be read when toggling rd_dst_rdy_n. For more information and a way to work around this issue, see (Xilinx Answer 29660).