ST25TV02K datasheet(38/90 Pages) STMICROELECTRONICS

38 / 90 page

Area access description

Area x access rights

RW_PROTECTION_Ax [1:0]

Lock feature behavior

Error = 14h if Security Session is closed

Area protected in read.

Area disabled in write (no matter if security session

opened or not)

11b

No lock is possible

Error = 11h (already locked)

Table 52. Lock block request format

Request SOF

Request_flags

Lock block

UID (1)

block number

CRC16

Request EOF

8 bits

22h

64 bits

8 bits

16 bits

1. The field is optional.

Request parameter:

•

Request Flags

•

UID (optional)

•

Block number (only value 00h or 01h) are allowed to protect the CCfile in case of NDEF usage.

Table 53. Lock block response format when Error_flag is NOT set

Response SOF

Response_flags

CRC16

Response EOF

8 bits

16 bits

Response parameter:

•

No parameter

Table 54. Lock single block response format when Error_flag is set

Response SOF

Response_flags

Error code

CRC16

Response EOF

8 bits

16 bits

Response parameter:

•

Error code as Error_flag is set

–

03h: command option not supported

–

10h: block not available

–

11h: the specified block is already locked and thus cannot be locked again

–

14h: the specified block was not successfully locked

ST25TV02K ST25TV512

RF commands

DS12074 - Rev 11

page 38/90

ST25TV02K Datasheet(PDF) 38 Page - STMicroelectronics

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