MB89R112 datasheet(31/49 Pages) RAMXEED

31 / 49 page

MB89R112

DS411-00004-3v0-E

2-11. Get System Information command

On receiving the Get System Information command, the transponder reads the chip information of UID, AFI,

DSFID, and so on to the reader/writer as a response.



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

The followings show the definitions of the Information flag and the memory size information (transponder

memory size information) included in the response of the Get System Information command. However, the

size of blocks and number of blocks in the user area shown in the memory size information about a tran-

sponder indicate one less than the actual value.



Definition of information flag

* : Reserved for future use

Note : For MB89R112, set “0FH” (set “1” for bit 1 to bit 4 and set “0” for bit 5 to bit 8) .

SOF

Flag

Command (Get System Information) UID (Addressed mode)

CRC

EOF

8 bits

8 bits (“2BH”)

64 bits

16 bits

SOF

Flag

Error code

CRC

EOF

8 bits (“01H”)

8 bits

16 bits

SOF

Flag

Information flag

UID

DSFID

AFI

Memory size IC reference CRC EOF

8 bits (“00H”)

8 bits

64 bits 8 bits

8 bits

16 bits

8 bits

16 bits

Bit

Flag name

State

Description

DSFID

DSFID does not exist.

DSFID is supported.

AFI

AFI does not exist.

AFI is supported.

Memory size

Memory size information does not exist.

Memory size information is supported.

IC reference

IC reference information does not exist.

IC reference information is supported.

RFU*



Set to “0”

RFU*



RFU*



RFU*



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