Rainbow-electronics MAX66100 Manual do Utilizador descarregar pdf (Página 9)

selected state and transition to the ready or the quiet

state upon receiving the Reset to Ready command sent

in any address mode or the Stay Quiet command sent

in the addressed mode. A slave also transitions from

selected to ready upon receiving a Select command if

the UID in the request is different from the slave’s own

UID. In this case the master’s intention is to transition

another slave with the matching UID to the selected

state. If the slave already in the selected state does not

recognize the command (e.g., due to a bit error), two

slaves could be in the selected state. To prevent this

from happening, the master should use the Reset to

Ready or the Stay Quiet command to transition a slave

out of the selected state.

MAX66100

ISO 15693-Compliant 64-Bit UID

_______________________________________________________________________________________ 9

Figure 15. ISO 15693 State Transitions Diagram

POWER-OFF

READY

SELECTEDQUIET

IN FIELD

NOTE 1

NOTE 3

OUT OF FIELD

RESET TO READY

[N, A, S]

OUT OF FIELD

NOTE 2

RESPONSE LEGEND:

NOTE 1: THE SLAVE PROCESSES THE INVENTORY COMMAND AND OTHER COMMANDS PROVIDED THAT THEY ARE SENT IN THE [N] OR [A] ADDRESS MODE.

NOTE 2: THE SLAVE PROCESSES ONLY COMMANDS SENT IN THE [A] ADDRESS MODE.

NOTE 3: THE SLAVE PROCESSES THE INVENTORY COMMAND AND OTHER COMMANDS IN ANY ADDRESS MODE.

RESPONSE TO

RESET TO READY

RESET TO READY [A]

MATCHING UID

STAY QUIET [A]

MATCHING UID

SELECT [A],

NONMATCHING UID

RESPONSE TO

SELECT

NO RESPONSE

STAY QUIET [A] MATCHING UID

SELECT [A]

MATCHING UID

SELECT [A] MATCHING UID

ADDRESS MODE LEGEND:

[N] NONADDRESSED

[A] ADDRESSED

[S] SELECTED

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

MAX66100 1

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