User's Manual

HF Mifare Easy Module V1.0
ACG Identification Technologies GmbH 52
7.4.3.15.3 Operation mode failure 'O'
The block address of the 'w' command is higher than 40h.
The block address of the 'w' command conflicts with other commands, therefore the
block address has to be limited to 40h.
Use the 'wb' command instead.
7.4.3.16 Write EEPROM
Writes to the internal reader EEPROM. It contains all startup parameters and the
device ID. Changes of the startup settings will only be taken into effect after a reset
of the device.
Command
Command Data
'we' Address (1 byte), valid range 04h - 13h
Data (1 byte)
Answer
Answer Description
Data EEPROM data (1 byte)
'F' Error: Read after write failure
Example
Command Description
we0401 Set EEPROM address 04 (Station ID) to 01h