MB89R119B datasheet(35/46 Pages) RAMXEED

35 / 46 page

MB89R119B

DS411-00002-4v0-E

3-3. Kill Command

On the receiving the Kill command, the transponder is disabled permanently and enters the Dead state.

Even if the transponder is moved in the magnetic field (power-on state) again after being removed out of

the magnetic field (power-off state), the transponder stays in the Dead state and never respond to any

commands from the reader/writer.



Request (from the reader/writer to the transponder)



Response (from the transponder to the reader/writer)

WARNING: The transponder received Kill command is disabled and cannot be used again.

3-4. Fast Inventory Command

The Fast Inventory command is the same as the Inventory Command that executes the anti-collision

sequence. The data rate in the response is twice as defined in ISO/IEC 15693.

Even though an error is detected during execution of this command, a response indicating the error is not

returned.

The Inventory_flag (bit3) must be set to “1”.

When the AFI_flag (bit5) in the Inventory command frame is set as “1“, the response is returned in the

following cases.

• The AFI value of the transponder is in accord with the Optional AFI value.

• The 4 bits value MSB of the Optional AFI is “0H”, and the 4 bits value LSB of the Optional AFI is in accord

with the 4 bits value LSB of the transponder.

• The 4 bits value LSB of the Optional AFI is “0H”, and the 4 bits value MSB of the Optional AFI is in accord

with the 4 bits value MSB of the transponder.

• The Optional AFI value is “00H”.

For example, if the AFI value of the transponder is “69H”, the response is returned when the Optional AFI

value is “69H”, “60H”, “09H” or “00H”.



Request (from the reader/writer to the transponder)



Response (from the transponder to the reader/writer)

SOF

Flags

Command(Kill)

IC Mfg code

(necessary)

UID

(necessary)

CRC

EOF

8 bits

8 bits (“A6H”)

8 bits (“08H”)

64 bits

16 bits

SOF

Flags

CRC

EOF

8 bits

(“00H”)

16 bits

SOF

Flags

Command

(Fast Inventory)

IC manufacturing

code (necessary)

Optional

AFI

Mask

length

Mask

value

CRC

EOF

8 bits

8 bits (“B1H”)

8 bits (“08H”)

8 bits

0 to 64 bits 16 bits

SOF

Flags

DSFID

UID

CRC

EOF

8 bits (“00H”)

8 bits

64 bits

16 bits

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