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M24LR16E-R block securiity in I2C mode

Question asked by farrelly.dan on Sep 17, 2015
Latest reply on Nov 17, 2015 by NFC IC support2

I am using an M24LR16E-R eeprom in I2C mode.

I have written to the I2C_Write_Lock bits and have set sector 0 as write-protected.  Process as follows:

Present Password command
Write I2C_Write_Lock bit (0x0001) //to set sector 0 as protected

I have read the write lock bits afterwards and confirmed that they have been changed.  However, when I have tried to write to sector 0, it is still possible to write the memory sector despite the lock bit being set.

Have I missed a step?  Any help would be much appreciated.