6.3.2. Configuration Sequence
The configuration process flow includes power up, reset, configuration, and initialization.
You can initiate reconfiguration by pulling the nCONFIG pin low to at least the minimum tCFG low-pulse width except for configuration using the partial reconfiguration operation. When this pin is pulled low, the nSTATUS and CONF_DONE pins are pulled low and all I/O pins are tied to an internal weak pull-up.
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