LRI2K datasheet(66/89 Pages) STMICROELECTRONICS

부품명	LRI2K

상세설명	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

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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

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

16 bits

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