Reader/Writer Control Command
Section 5-5
5-32
5-5 Reader/Writer Control Command
These are commands for reading and writing Tags from and to the user memory.
5-5-1 Stop (ST)
This command causes the Reader/Writer to abort the execution of Auto Mode, Repeat Mode, FIFO
Access, Selective Access, EAS Check and other commands and return to wait mode for a com-
mand.
<Command Format>
STX
Node No.
Command
code
"ST"
ETX BCC
1 2
2 1
1
<Response Format>
STX Node
No.
Retry
flag
Command
code
"ST"
Response
code
"00"
ETX BCC
1 2 1 2
2 1
1
Response code
00: Normal completion
For other response codes, refer to 5-10 Response Code List.
5-5-2 Reset (XZ)
This command software-resets the Reader/Writer.
<Command Format>
STX
Node No.
Command
code
"XZ"
ETX BCC
1 2
2 1
1
5-5-3 ACK (AK)
This command is used during ACK/NACK control to inform the Reader/Writer that the host device
normally received a response from the Reader/Writer. There is no response if this command is used
in ACK/NACK control, but if the Reader/Writer is not waiting to receive ACK/NACK signals, an error
will occur when the command is received. Refer to 5-9 ACK/NACK Control for details.
<Command Format>
STX
Node No.
Command
code
"AK"
ETX BCC
1 2
2 1
1
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