Rainbow Electronics MAX66000 User Manual

Page 9

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MAX66000

IDLE

READY

POWER-OFF

WAITING FOR

SLOT-MARKER*

ACTIVE

HALT

ANY OTHER COMMAND

IN FIELD

ANY OTHER
COMMAND
OR CASE

OUT OF FIELD

(FROM ANY STATE)

ANY OTHER COMMAND

RESPONSE LEGEND:

*WHEN ENTERING “WAITING FOR SLOT-MARKER,” EACH TAG SELECTS A RANDOM NUMBER R IN THE RANGE OF 1 TO “NUMBER OF SLOTS.”

DESELECT

(SPECIAL CASE OF A BLOCK TRANSMISSION

PROTOCOL FUNCTION)

ATQB RESPONSE

1

A

a

b

s

A

B

S

S

B

MS

1

1

1

4

3

2

ATTRIB RESPONSE

2

HLTB RESPONSE

3

DESELECT RESPONSE

4

ANY OTHER
COMMAND
OR CASE

ANY OTHER

COMMAND OR CASE

ATTRIB WITH
MATCHING PUPI

HLTB WITH
MATCHING PUPI

EXECUTIVE BLOCK

TRANSMISSION

PROTOCOL FUNCTION

Figure 16. ISO/IEC 14443 Type B State Transitions Diagram

NAME

DESCRIPTION

RESULT

A (AFI MISMATCH)

REQB/WUPB WITH NONMATCHING AFI

a

WUPB WITH NONMATCHING AFI

RETURN TO IDLE

B (BYPASS SM)

REQB/WUPB WITH MATCHING AFI AND [(N = 1) OR [R = 1)]

b

WUPB WITH MATCHING AFI AND [(N = 1) OR [R = 1)]

TRANSITION DIRECTLY TO READY

S (SLOT-MARKER)

REQB/WUPB WITH MATCHING AFI AND (N

 1) AND (R  1)

s

WUPB WITH MATCHING AFI AND (N

 1) AND (R  1)

WAIT FOR MATCHING SLOT NUMBER

MS (MATCHING SLOT)

SLOT-MARKER COMMAND WITH SLOT NUMBER = R

TRANSITION TO READY WITH MATCHING SLOT-MARKER

CONDITIONS LEGEND:

ISO/IEC 14443 Type B-Compliant

64-Bit UID

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