MB89R112 datasheet(32/49 Pages) RAMXEED

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MB89R112

DS411-00004-3v0-E



Memory size information about a transponder

* : Reserved for future use

Note : The memory size of the MB89R112 which consists of 256 blocks (32 bytes per block) in the user area,

the memory size information is hexadecimal “1FFFH”.

2-12. Get Multiple Block Security Status Command

On receiving the Get Multiple Block Security Status command, the transponder reads the block security

status stored in a system area to the reader/writer as a response.

Up to 256 blocks of data can be read for one request. The number of blocks specified in this request must

be the value that is 1 block less than the actual number of the blocks whose security status is to be obtained.

The first block number specified in this request must be a multiple of 8.



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

Command

(Get Multiple Block

Security Status)

UID

(Addressed mode)

First block

number

Number of

blocks

CRC

EOF

8 bits

8 bits (“2CH”)

64 bits

8 bits

16 bits

SOF

Flag

Error code

CRC

EOF

8 bits (“01H”)

8 bits

16 bits

SOF

Flag

Block security status

CRC

EOF

8 bits (“00H”)

8 bits

(repeated as required)

16 bits

MSB

LSB

14 13

9 8

RFU*

Size of blocks (Number of bytes in 1 block)

Number of blocks in

the user area

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