Справочник Пользователя для HID Global Corporation 5553
1508-USM-00-0-04
HF Multi ISO RFID Reader User Manual, Firmware V1.4
5.4 ICODE
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.
consisting 4 bytes each (1 block = 32 bits). First 3 blocks contain administrative data.
5.4.1 Memory organization
Byte
Page
address
address
0
1
2
3
0Fh User
data
… …
05h User
data
04h
Family code identifier / User data
03h
Special function (EAS) / User data
02h
Write access condition
01h
Serial number
00h
Serial number
5.4.2 Serial number
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.
page 01h. LSB is stored first.
5.4.3 Write access condition
Page 02h contains the write access condition for each page. Each page can be set to read only
(bits are set to 0). This procedure is irreversible. Locking page 2 no further changed of the access
condition can be done. Always two bits must be change at the same time. This register is
implemented as OTP.
(bits are set to 0). This procedure is irreversible. Locking page 2 no further changed of the access
condition can be done. Always two bits must be change at the same time. This register is
implemented as OTP.
Byte 0
Byte 1
Byte 2
Byte 3
MSB
LSB MSB
LSB MSB
LSB MSB
LSB
1 1 1 1 0 0 0 0 1 1 1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1 1 1 1 1
1 1
3 2 1 0 7 6 5 4 B A 9 8 F E D C
Speci
a
l functi
o
n
Write access
Serial numb
e
r
Serial numb
e
r
User data
…
…
…
…
…
User d
ata
…
…
…
…
…
Page 120 of 144
August 2010
© 2005-2010 HID Global Corporation. All rights reserved.