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Thank very much both of you. If i understood it well, the core clock can be used as clock to my design logic just like the four dedicated transceiver clocks are used as a reference clock to any transceiver phy block in my design, right?
And another question, related in some way with my first question, is there a 10MHz reference on the board so as to to synchronize with other lab equipment. In the board reference manual i didn't notice anything... So, i have to create this clock from a transmitter for example.
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You are welcome. Yes, you are right, the core clock can be used as clock to your design logic.
As for your latest question, as I understand it, there is no 10MHz clock source on the board. However, you may try to use core PLL to derive the 10MHz from the existing clock source. You can check this implementation with Quartus II compilation.
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