Advanced Card Systems Ltd. ACR3901T-W1, Reference Manual

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ACR3901T-W1 – Reference Manual
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Version 1.02
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Page 20 of 100
6.1.5.2. Card Power Off
This command sends a power off request to the reader.
Command Format
Offset Field Size Value Description
0 bMessageType 1 63h -
1 LEN1 LEN2 (wLength) 2 0100h
Number of extra bytes starting from
the next field for this message, and is
expressed in two bytes long, and
LEN1 is LSB while LEN2 is MSB
3 CSUM (wChecksum) 1 62h
CSUM means the XOR values of all
bytes in the command
Response Data Format
Offset Field Size Value Description
0 bMessageType 1 13h -
1 LEN1 LEN2 (wLength) 2 0100h
Number of extra bytes starting from
the next field for this message, and is
expressed in two bytes long, and
LEN1 is LSB while LEN2 is MSB
3 CSUM (wChecksum) 1 12h
CSUM means the XOR values of all
bytes in the command
Response Data Format (Error)
Offset Field Size Value Description
0 bMessageType 1 93h -
1 LEN1 LEN2 (wLength) 2 0200h
Number of extra bytes starting from
the next field for this message. It is
expressed in two bytes long. LEN1 is
LSB while LEN2 is MSB.
3 Error Code (bErrorCode) 1 - Error Code. Refer to Appendix A
4 CSUM (wChecksum) 1 -
CSUM means the XOR values of all
bytes in the command
Example:
Request = 62 01 00 62
Response = 13 01 00 12