ACG HF Multi ISO RFID Reader - RFID Webshop

ACG HF Multi ISO RFID Reader V1.0
7.4 EM 4135
The EM4135 is an ISO15693 compliant label of EM Microelectronic-Marin SA. It has
eight bytes per page as the same as the my-d label. It only supports 36 pages. The
administrative area holds the information of the access condition and the UID.
Address
23h
Page
0 1 2 3 4 5 6 7
User data
00h
User data
Administrative area
8 ICODE
Figure 7-6: Memory organization of EM 4135
ICODE® IC data is stored in a non-volatile EEPROM. Its capacity is 512 bits
organized in 16 blocks consisting 4 bytes each (1 block = 32 bits). First 3 blocks
contain administrative data.
8.1 Memory organization
Page Byte
address 0 1 2 3
0Fh
User data
05h
04h
03h
02h
01h
00h
User data
Family code identifier / User data
Special function (EAS) / User data
Write access condition
Serial number
Serial number
8.2 Serial number
Figure 8-1: ICODE® memory organization
The serial number of a label is defined at the manufacturer process. It is stored on
page 00h and page 01h. LSB is stored first.
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