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Configures the EEPROM `Write Status Register`. This can be set to either mark the entire EEPROM as write-protected or clear write-protection.
This option must be used in conjunction with the EEPROM `/WP` pin which controls updates to the EEPROM `Write Status Register`. Pulling `/WP` low (CM4 `EEPROM_nEP` or Pi4B `TP5`) does NOT write-protect the EEPROM unless the `Write Status Register` has also been configured.
This option must be used in conjunction with the EEPROM `/WP` pin which controls updates to the EEPROM `Write Status Register`. Pulling `/WP` low (CM4 `EEPROM_nWP` or Pi4B `TP5`) does NOT write-protect the EEPROM unless the `Write Status Register` has also been configured.
See the https://www.winbond.com/resource-files/w25x40cl_f%2020140325.pdf[Winbond W25x40cl datasheet] for further details.