Hello, The "Set Memory Protection" command (02 BA) doesn't exist for the ST25DV04KC (it is a command of the ST25TV02KC). Please see the command supported in the datasheet in chapter 7.6.2 Command codes list.In order to protect an area, you need to wr...
Hello, In order to modify a password, you need first to open the corresponding security session.This is done by presenting the password. Example to update password 3:step 1: present password 3 => 02 B3 02 03 00 00 00 00 00 00 00 00 CRC1 CRC2 (passwor...
Hello, The cycle limit is given per Byte. This means that each byte can be cycled 1M times at 25C.So, when you write your new URL into the NDEF, only bytes that are modified are cycled. Bytes that are not changed are not cycling.If cycling is a limit...
Hello, You first need to authenticate by presenting the password before being able to write it.Anyway, the error code you received (01 02) indicates "Command is not recognized (format error)." according to the datasheet chapter 7.4.8 Response and err...