The module can be powered by B2B connector J5 or the USB connector. If both power supplies are available, the B2B connector power supply takes precedence, disabling the USB power supply automatically.
Three onOn-board voltage regulators provide the following power supply rails needed by the components on the module:
The figure below show power supply diagram.
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VCCIO0 voltage can be configured in 3 ways:
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Note that some of Spartan-6 I/O types are partially compatible, so pins of compatible types can be used as inputs for signal of other type. See "Spartan-6 FPGA SelectIO Resources" page 38 for detailed information.
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