input/S7Clocking: be sure ISERDESE2 clocking is optimal.

litex-hub / litevideo

Small footprint and configurable video cores (Deprecated)

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Open enjoy-digital opened 4 years ago

enjoy-digital commented 4 years ago

According to SelectIO, p.153 ISERDESE2 can be clocked by either a pair of BUFG or a BUFIO + BUFR.