Posted on September 22, 2017 at 12:16Hello Kumar,
M24SR can be protected by password in read or writes by following the following steps:
Locking an NDEF file :
The RF or I²C host executes this procedure to protect an NDEF file.
1.Select the NDEF Tag Application
2. Check the right access provided by the CC file
3. Select the NDEF file
4. Transmit the NDEF file Write password by using the Verify command
5. Lock the NDEF file by sending the Enable verification command.
This information can be also found in:
http://www.st.com/resource/en/datasheet/m24sr02-y.pdf
Have a good day.
Best regards
