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When the error detection CRC circuit is selected, this pin is used as the CRC_ERROR pin, which is used for I/O if it is not used by default. However, it should be noted that this pin does not support open drain and reverse. When it is used as CRC_ERROR, a high level output indicates that a CRC check error has occurred (an error occurred while configuring each bit of SRAM). The support of the CRC circuit can be added in the setting. This pin is generally used in conjunction with the nCONFIG pin. That is, if the configuration process fails, reconfigure.


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