Socket Mobile CF6V2 Benutzerhandbuch

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APPENDIX B: HF RFID STANDARDS AND TAG DESCRIPTIONS 
41 
I·Code1 
The first long range 13.56MHz RFID IC that Philips released was the I·Code1 (SL1). 
Still in high volume production, I·Code1 (SL1) is still widely used in applications 
globally and has an existing installed base of millions of tags.  The I·Code1 (SL1) uses 
a protocol and air interface that is proprietary to Philips.  
 
By contrast, the I·Code SLI (SL2), released by Philips in 2002, is fully compatible with 
ISO/IEC 15693 parts -2 and -3. The host application developer should be explicitly 
aware of the distinction between the I·Code1 (SL1) and the I·Code SLI (SL2).  
 
Figure 8 - Memory Structure of the I·Code1 (version SL1 ICS30 01) 
512 bits (64 bytes) of user memory is available for read/write.  
 
Block # 
32 bits 
(4 bytes per block) 
3 (0x03) 
 
 
 
 
4 (0x04) 
 
 
 
 
5 (0x05) 
 
 
 
 








14 (0x0E)
 
 
 
 
 
15 (0x0F) 
 
 
 
 
 
 
 
 
 
 
The user can permanently lock 
any block.  
 
Once a block is locked it cannot 
be unlocked. 
 
 
A 64-bit ID (factory programmed) uniquely identifies each I·Code1 chip. 
 
TID 
 
Unique Tag ID 64 bits (8 bytes)