MN63Y1208 Datasheet, PDF (54/120 Pages) Panasonic Semiconductor – Built-in 4-Kbit FeRAM non-volatile memory with fast write and low power consumption

Chapter 4 RF Communication Mode
4.3.7 Flow Chart
Figure 4-21 illustrates the flow chart for this RFID's command processing based on ISO/IEC14443 TypeB.
Magnet field ON
IDLE state
REQB/WUPB
Any of the following conditions identified?
AFI is 0x00.
AFI is 0xY0 and Y of upper 4 bits are matched.
AFI is 0x0Y and Y of lower 4 bits are matched. _No
AFI1 byte is matched.
Yes
Respond to ATQB
REQB/WUPB
Other
READY state
ATTRIB
HLTB
PUPI identified?
No
Yes
Respond to ATTRIB.
PUPI identified?
No
Yes
Respond to HLTB.
Other
PROTOCOL state
SELECT
READ
WRITE
Respond to command.
DESELECT
Respond to DESELECT.
HALT state
WUPB
Figure 4-21 Flow Chart of Command Processing Based on ISO/IEC14443 TypeB
Other
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