Filter
Top Products
RFID Communications
69 LRP2000 Passive Reader/Writer
Example
Reads two bytes of data from the tag starting at address 0001H. A timeout of 2 seconds (07D0H = 2000 x
1 ms increments) is set for the completion of the SN Read All. The Family ID byte is set to zero, so all tags
will be read. Two tags respond with read data.
Command from Host Response from Controller
MSB LSB Remarks MSB LSB Remarks
AAH 82H Perform Command 82 AAH 82H Command Echo/Tag 1
00H 00H Tag Family 00/Reserved 00H 10H SN byte 1/Tag 1
00H 01H Start Address 00H 43H SN byte 2/Tag 1
00H 02H Read Length 00H 6CH SN byte 3/Tag 1
07H D0H 2 second Timeout 00H 00H SN byte 4/Tag 1
FFH FFH Message Terminator 00H 00H SN byte 5/Tag 1
00H 01H SN byte 6/Tag 1
00H 04H SN byte 7/Tag 1
00H E0H SN byte 8/Tag 1
00H 30H Data byte 1/Tag 1
00H 31H Data byte 2/Tag 1
FFH FFH Terminator/ Tag 1
AAH 82H Command Echo/Tag 2
00H 08H SN byte 1/Tag 2
00H 0AH SN byte 2/Tag 2
00H 81H SN byte 3/Tag 2
00H 00H SN byte 4/Tag 2
00H 00H SN byte 5/Tag 2
00H 01H SN byte 6/Tag 2
00H 04H SN byte 7/Tag 2
00H E0H SN byte 8/Tag 2
00H 40H Data byte 1/Tag 2
00H 41H Data byte 2/Tag 2
FFH FFH Terminator/ Tag 2
AAH FFH Command end
02H 08H Ntags/Status
FFH FFH Message Terminator