User's Manual Part 1

13,56 MHz Multitag Reader Module, Version 0.9v
ACG Identification Technologies AT Page 32
5.3.11.6 Read after write error ‘U’
After each write access to a TAG a read is done automatically. This error is thrown if
read data does not match the written data. E.g. the page is read only.
5.3.11.7 Example
Command Description
w0511223344 w11223344
writes data 11223344 on page 05.
5.3.12 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.
5.3.12.1 Command
Command Data
‘wp’ page address (1 byte) + data (1 byte)
5.3.12.2 Answer
Answer Description
data EEPROM data (1 bytes)
5.3.12.3 Example
Command Description
wp0A01 01
Set EEPROM address 0A (Station ID) to 01h