spman
Advanced Member level 4
Hi,
How MGTREFCLK should be used? I saw schematic of an Virtex-5 board with PCI Express x4. Two MGTs of the FPGA had been used for PCI Express. But only MGTREFCLK of one of the MGTs had been routed to clock and the other had been left floating and unused!
Does MGT work without using MGTREFCLK? What is the purpose and usage of MGTREFCLK?
Thanks in advance
How MGTREFCLK should be used? I saw schematic of an Virtex-5 board with PCI Express x4. Two MGTs of the FPGA had been used for PCI Express. But only MGTREFCLK of one of the MGTs had been routed to clock and the other had been left floating and unused!
Does MGT work without using MGTREFCLK? What is the purpose and usage of MGTREFCLK?
Thanks in advance