ACG HF Multi ISO RFID Reader - RFID Webshop
ACG HF Multi ISO RFID Reader - RFID Webshop
ACG HF Multi ISO RFID Reader - RFID Webshop
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<strong>ACG</strong> <strong>HF</strong> <strong>Multi</strong> <strong>ISO</strong> <strong>RFID</strong> <strong>Reader</strong> V1.0<br />
6.1.3 Lock byte<br />
The lock byte defines the write access condition of a pair of pages. Each bit can only<br />
be set once. This procedure is irreversible. This byte is implemented as an OTP.<br />
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0<br />
Page 0Eh<br />
Page 0Fh<br />
Page 0Ch<br />
Page 0Dh<br />
Page 0Ah<br />
Page 0Bh<br />
Page 08h<br />
Page 09h<br />
Page 06h<br />
Page 07h<br />
Page 04h<br />
Page 05h<br />
Page 02h<br />
Page 03h<br />
Page 00h<br />
Page 01h<br />
6.1.4 Chip ID<br />
Figure 6-3: Lock byte<br />
The Chip ID is defined in the low nibble of page 0Fh. It is manufacturer set and is<br />
used internally to select and separate single tags.<br />
6.2 SRIX4K<br />
The SRIX4K label contains 512 bytes of data organized into four-byte pages.<br />
6.2.1 Memory organization<br />
Block<br />
address<br />
Byte 3 Byte 2 Byte 1 Byte 0<br />
FFh OTP Lock Reg ST Reserved ST Reserved Fixed Chip ID<br />
7Fh<br />
User data<br />
07h<br />
06h<br />
05h<br />
04h<br />
03h<br />
02h<br />
01h<br />
00h<br />
User data<br />
32 bits binary counter<br />
32 bits binary counter<br />
32 bits Boolean Area<br />
32 bits Boolean Area<br />
32 bits Boolean Area<br />
32 bits Boolean Area<br />
32 bits Boolean Area<br />
Figure 6-4: SRIX4K memory organization<br />
6.2.2 Lock block<br />
Locking of blocks is not supported with this tag.<br />
<strong>ACG</strong> Identification Technologies GmbH 27
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