Datasheet

11
T5557
4517E–RFID–02/03
Figure 14. Anticollision Procedure Using AOR Mode
init tags with
AOR = '1' , PWD = '1'
wait for t
w
> 2.5ms
"Select a single tag"
send OPCODE + PWD
=> "wake up command"
POWER ON RESET
read configuration
Receive damping ON
Reader Tag
Password correct ?
send block 1...MAXBLK
decode data
all tags read ?
EXIT
Field OFF => ON
NO
YES
NO
YES
enter AOR mode
wait for OPCODE + PWD
=> "wake up command"