MB89R119B datasheet(39/46 Pages) RAMXEED

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MB89R119B

DS411-00002-4v0-E



STATE TRANSITION DIAGRAM



Definition of states

Each state of MB89R119B is defined as follows.

• Power-off state

: In the power-off state, a transponder cannot fulfill the function so that the voltage

from a reader/writer is underpowered.

• Ready state

: In the ready state, the MB89R119B can execute all commands if the Select_flag is

not set.

• Quiet state

: In the quiet state, the MB89R119B can execute the command for which the

Inventory_flag is not set and the Address_flag is set.

• Select state

: In the select state, the MB89R119B can execute the command for which the

Select_flag is set.

As shown in figure below, the MB89R119B moves from one state to another according to the status of power

and by a command.

Power-off state

Out of field

In field

Any other command

where Select_flag is not

set.

Ready state

Select command (UID)

Reset to Ready command where Select_-

flag is set or Select (different UID) .

Reset to Ready command

Stay Quiet command (UID)

Quiet state

Select state

Stay Quiet command (UID)

Select command (UID)

Any other command

where Select_flag is set.

Any other command

where Address_flag is set

and where Inventory_flag

is not set.



State transition diagram

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