MN63Y1208 Datasheet, PDF (116/120 Pages) Panasonic Semiconductor – Built-in 4-Kbit FeRAM non-volatile memory with fast write and low power consumption

Chapter 9 Annex
9.2 State Transition Diagram in Operation Mode
Figure 9-3 shows the state transition diagram of this RFID in operation mode.
Command from the host/ Command from reader/writer/
Response with BUSY
No response
Command from reader/writer/
No response
RF_COM_MODE
RF communication
mode command
Tunnel mode command/
IRQ transmission
TUNNEL_MODE1(*)
Processing end/
Response
Serial interface unimplemented command/
Response with an error
QUERY or ANSWER command/
Response with an error
Wait time [QWT] with no command from the host
Commands from the host, except QUERY
Tunnel mode response (error)
IDLE
QUERY command/
Response to QUERY
No wait time [AWT] host command/
Response to tunnel mode (error)
Serial communication
mode command
SERIAL_COM_MODE(*)
Processing end/
Response
Command from the host/ Command from reader/writer/
No response
No response
ANSWER command/
Response to ANSWER &
Response to tunnel mode
TUNNEL_MODE2(*)
QUERY command/
Response to QUERY
Command from reader/writer/ Command from the host
No response
except QUERY and ANSWER/
Response with BUSY
(*): VDDEX must be applied when using serial interface (Unnecessary when sending IRQ by RFID).
Figure 9-3 State Transition Diagram in Operation Mode
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