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LRI2K Datasheet(PDF) 66 Page - STMicroelectronics

No. de pieza LRI2K
Descripción Electrónicos  2048-bit EEPROM tag IC at 13.56 MHz, with 64-bit UID and kill code, ISO 15693 and ISO 18000-3 Mode 1 compliant
PDF  89 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LRI2K Datasheet(HTML) 66 Page - STMicroelectronics

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Commands codes
LRI2K
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20.17
Lock Kill
On receiving the Lock Kill command, the LRI2K locks the Kill code permanently. The
Option_flag is supported. RFU bit 8 of the request flag must be set to ‘1’.
During the write cycle tW, there should be no modulation (neither 100% nor 10%).
Otherwise, the LRI2K may not lock the memory block correctly. The tW time is equal to
t1nom + 18 × 302 µs.
Request parameters:
●
(Optional) UID
●
Kill Address (bit 8 = ‘1’: 00h = KILL, other = Error)
●
Protect status (see table below)
Response parameter:
●
No parameter.
Response parameter:
●
Error code as Error_flag is set:
–
10h: block address not available
–
11h: block is locked
–
14h: block not locked
Table 69.
Lock Kill request format
Request
SOF
Request_
flags
Lock
Kill
IC Mfg
code
UID
Kill
access
Protect
Status
CRC16
Request
EOF
8 bits
B2h
02h
64 bits
00f
8 bits
16 bits
b7
b6
b5
b4
b3
b2
b1
b0
00
000
001
Table 70.
Lock Kill response format when Error_flag is NOT set
Response SOF
Response_flags
CRC16
Response EOF
8 bits
16 bits
Table 71.
Lock Kill response format when Error_flag is set
Response SOF
Response_flags
Error code
CRC16
Response EOF
8 bits
8 bits
16 bits



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