62 Results
Why am I seeing linkup problem for the GTS Ethernet Hard IP with Auto-Negotiation and Link Training (AN/LT) multirate IP for HVIO PLL enabled 25G rate designs?
Description Due to a problem in the Quartus® Prime Pro Edition software version 25.3.1, you may see linkup problem for the GTS Ethernet Hard IP with Auto-Negotiation and Link Training (AN/LT) m...28Views0likes0CommentsWhy does the Stratix® 10 25G Ethernet IP core receive random erroneous packets in open ended condition?
Description In rare cases, the Stratix® 10 25G Ethernet IP core may still receive random erroneous packets when operating in open ended condition, i.e. there is no fiber or QSFP28 module c...63Views0likes0CommentsWhy does ModelSim* simulator stop unexpectedly when simulating the 25G Ethernet Intel® FPGA IP design example with "enable 10G/25G dynamic rate switching"?
Description Due to a problem with the 25G Ethernet Intel® FPGA IP in the Intel® Quartus® Prime Pro Edition Software version 18.1, the design example with "enable 10G/25G dynamic rate switching"&n...93Views0likes0CommentsWhy does the E-tile Hard IP for Ethernet FPGA IP change my Ethernet rate from 10G to 25G when I enable RSFEC in Quartus® Prime Pro Software version 18.0?
...ariants for the E-Tile Hard IP for Ethernet FPGA IP, the 'Select Ethernet Rate' parameter will be automatically switched from 10G to 25G when the 'Enable RSFEC' parameter is enabled. The E-t...75Views0likes0CommentsWhy does the simulation for F-Tile Ethernet FPGA Hard IP Design Example hang when 25G Ethernet mode and RS-FEC are enabled?
Description Due to a problem in the Quartus® Prime Pro Edition Software Version 22.3, the simulation for F-Tile Ethernet FPGA Hard IP Design Example will hang when 25G Ethernet mode and RS-F...42Views0likes0CommentsWhy is auto-negotiation failing when using 10G and 25G Firecode FEC designs for the GTS Ethernet Hard IP with Auto-Negotiation and Link Training (AN/LT) enabled?
Description Due to a problem in the GTS Ethernet Hard IP in the Quartus® Prime Pro Edition software version 24.2, 24.3, and 24.3.1, you may see auto-negotiation fails for GTS Ethernet Hard IP w...60Views0likes0CommentsWhy are there FCS errors seen in the F-Tile 25G Ethernet IP when using the Quartus® Programmer version 23.3 and onward?
Description The FCS errors are reported in the F-Tile 25G Ethernet IP when using the Quartus® Programmer version 23.3 and onward. This problem is caused by the FIFO pointers not having a d...29Views0likes0CommentsWhy does my “Ethernet to CPRI 25G-1 (with 1GE)” design example for the F-Tile Dynamic Reconfiguration Suite FPGA IP fail to function in hardware?
Description Due to a problem in the Quartus® Prime Pro Edition Software version 23.2, the “Ethernet to CPRI 25G-1 (with 1GE)” design example for the F-Tile Dynamic Reconfiguration Suite FPGA IP w...59Views0likes0Comments