How to flexibly configure the GT reference clock of the development board

Recently, a customer has purchased a development board ZC706, which is intended to debug the GT optical port. Found that the development board does not give the GT reference clock, the schematic is as follows:

Figure 1. ZC706 GT Reference Clock

Figure 1. ZC706 GT Reference Clock

If there is no external crystal to the GT, then the GT has no way to work. At this point we can choose TI's EVM CDCM6208V1EVM development board as an assistant is more convenient:

Figure 2. TI+Xilinx hardware connection

Figure 2. TI+Xilinx hardware connection

Figure 3. TI EVM Clock Board Configuration

Figure 3. TI EVM Clock Board Configuration

This clock board also has the advantage of providing multiple homologous reference clocks simultaneously. Sometimes it is difficult to handle clock synchronization of multiple boards, and the homologous clock advance processing function can be used. In addition, the clock board can be flexibly online to debug the reference clock and directly change the clock frequency through the cable.

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