List of Messages |
CAUSE: The Fitter tried to place the specified differential I/O pin in the specified location. However, the specified fast PLL cannot reach the differential I/O pin using any differential I/O clock networks. As a result, the Fitter cannot place the differential I/O pin.
ACTION: Change the location assignment for the fast PLL or its differential I/O nodes, or modify the design to reduce the number of differential I/O nodes driven by the fast PLL.
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