ST25TV02K datasheet(54/90 Pages) STMICROELECTRONICS

54 / 90 page

The subcarrier_flag should be set to 0, otherwise the ST25TV02K/512 answer with an error code.

Block number is coded on 1 Byte.

Table 96. Fast Read Single Block request format

Request SOF Request_flags Fast Read Single Block IC Mfg code UID (1) Block number CRC16 Request EOF

8 bits

C0h

02h

64 bits 8 bits

16 bits

1. The field is optional.

Request parameters:

•

Request flags

•

UID (optional)

•

Block number

Table 97. Fast Read Single Block response format when Error_flag is NOT set

Response SOF

Response_flags

Block security status (1)

Data

CRC16

Response EOF

8 bits

32 bits

16 bits

1. The field is optional.

Response parameters:

•

Block security status if Option_flag is set (see Table 98. Block security status)

•

Four bytes of block data

Table 98. Block security status

Reserved for future use

All at 0

0: Current Block not locked

1: Current Block locked

Table 99. Fast Read 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:

–

02h: command not recognized

–

03h: command option not supported

–

10h: the specified block is not available

–

15h: the specified block is read-protected

ST25TV02K ST25TV512

RF commands

DS12074 - Rev 11

page 54/90

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