MB89R119B datasheet(31/46 Pages) RAMXEED

31 / 46 page

MB89R119B

DS411-00002-4v0-E

2-10. Write DSFID command

On receiving the Write DSFID command, the transponder writes the DSFID value into FeRAM.

The transponder performs verification after writing and returns an error code if the writing has failed.

If the Option_flag (bit 7) is “0”, the transponder shall return its response when it has completed the write

operation starting after “t1nom (320.9 s) + a multiple of 4096/fc (302.1 s)” with total tolerance of  32/fc

(2.4 s) and latest within 20 ms. If it is “1”, transponder shall wait for the reception of an EOF from the reader/

writer and upon such reception still return its response. (However, if an EOF is not sent within 38 ms, the

time-out occurs and the transponder can receive another command.)



Request (from the reader/writer to the transponder)



Response (from the transponder to the reader/writer)

(1) When Error_flag set

(2) When Error_flag not set

2-11. Lock DSFID command

On receiving the Lock DSFID command, the transponder locks (write disable) the DSFID value permanently

into FeRAM.

The transponder performs verification after writing and returns an error code if the writing has failed.

If the Option_flag (bit 7) is “0”, the transponder shall return its response when it has completed the lock

operation starting after “t1nom (320.9 s) + a multiple of 4096/fc (302.1 s)” with total tolerance of  32/fc

(2.4 s) and latest within 20 ms. If it is “1”, transponder shall wait for the reception of an EOF from the reader/

writer and upon such reception still return its response. (However, if an EOF is not sent within 38 ms, the

time-out occurs and the transponder can receive another command.)

Once the Lock DSFID command has been received, the DSFID data cannot be changed by the Write DSFID

command.



Request (from the reader/writer to the transponder)



Response (from the transponder to the reader/writer)

(1) When Error_flag set

(2) When Error_flag not set

SOF

Flags

Command (Write DSFID) UID (Addressed mode)

DSFID

CRC

EOF

8 bits

8 bits (“29H”)

64 bits

8 bits

16 bits

SOF

Flags

Error code

CRC

EOF

8 bits (“01H”)

8 bits

16 bits

SOF

Flags

CRC

EOF

8 bits (“00H”)

16 bits

SOF

Flags

Command (Lock DSFID) UID (Addressed mode)

CRC

EOF

8 bits

8 bits (“2AH”)

64 bits

16 bits

SOF

Flags

Error code

CRC

EOF

8 bits (“01H”)

8 bits

16 bits

SOF

Flags

CRC

EOF

8 bits (“00H”)

16 bits

MB89R119B Datasheet(PDF) 31 Page - RAMXEED LIMITED

MB89R119B Datasheet(HTML) 31 Page - RAMXEED LIMITED

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

Datasheet Download

Link URL