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MB89R118 Datasheet(PDF) 25 Page - Fujitsu Component Limited. |
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MB89R118 Datasheet(HTML) 25 Page - Fujitsu Component Limited. |
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25 / 45 page  MB89R118 25 • Response [Response from the transponder to the reader/writer] (1) When Error_flag set (2) When Error_flag not set 2-3. Lock Block command On receiving the Lock Block command, the transponder locks (write disable) permanently the data stored in one specified single-block. 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 + a multiple of 4096/fc (302.1 µs)> with total tolerance of ± 32/fc (2.4 µs) 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 Block command has been received, data in the locked block cannot be changed by the Write Single (Multiple) Block (s) command. • Request [Request from the reader/writer to the transponder] • Response [Response from the transponder to the reader/writer] (1) When Error_flag set (2) When Error_flag not set SOF Flag Error code CRC EOF 8 bits (“01H”) 8 bits 16 bits SOF Flag CRC EOF 8 bits (“00H”) 16 bits SOF Flag Command (Lock Block) UID (Addressed mode) Number of blocks CRC EOF 8 bits 8 bits (“22H”) 64 bits 8 bits 16 bits SOF Flag Error code CRC EOF 8 bits (“01H”) 8 bits 16 bits SOF Flag CRC EOF 8 bits (“00H”) 16 bits |
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