Specifications

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Serial port intercommunication agreement | VI-88TR development handbook
into 256bytes. An address is for each byte, corresponding to 0255.
Thereinto:
Address 07, 8 words(64bits): tag ID number. Fixed before product
leaves factory, can’t be modified.
Address 8223: user information storage area, can be distributed at
discretion.
Address 224255: write protection byte.
2.3.1.1 List Tag ID
Function: to list readable tag ID in antenna radiation field.
Command code: FEH
Command parameter: none
Command packet: 40H 02H FEH C0H
Return data: if success, byte count of return data = number of all listed tags
M(1byte)+ M*data of (tag length sent out L(<=81byte)+ 8(ID)).
F0H 3+M*L+8FEH M M*L+8CheckSum
Command format with reader address:
Command code: FEH
Parameter of reader address:address
Command parameter: none
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