ST25TV16K datasheet(35/87 Pages) STMICROELECTRONICS

35 / 87 page

•

UID (optional)

•

Block number

•

Data

Table 50. Write Single Block response format when Error_flag is NOT set

Response SOF

Response_flags

CRC16

Response EOF

8 bits

16 bits

Response parameter:

•

No parameter. The response is sent back after the writing cycle.

Table 51. Write 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(1)

–

03h: command option not supported

–

0Fh: error with no information given

–

10h: the specified block is not available

–

12h: the specified block is locked or protected and its contents cannot be changed

–

13h: the specified block was not successfully programmed

1. For more details, see Figure 3. Memory organization

Figure 11. Write Single Block frame exchange between VCD and ST25TV16K/64K

SOF

Write Single

Block request

VCD

EOF

ST25TV16K/64K

SOF

Write Single

Block response

EOF

SOF

Write Single

Block response

EOF

ST25TV16K/64K

Write sequence

when error

6.4.9

Extended Write Single Block

On receiving the Extended Write Single command, the ST25TV16K/64K writes the data contained in the request

to the targeted block and reports whether the write operation was successful in the response. When the

Option_flag is set, wait for EOF to respond.

The Inventory_flag must be set to 0.

During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the

ST25TV16K/64K may not program correctly the data into the memory. The Wt time is equal to t1nom + N ×

302 µs (N is an integer).

ST25TV16K ST25TV64K

RF Commands

DS11489 - Rev 9

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