User's Manual

ACR122L
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USB
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ACS
7.0. Basic Program Flow for Contactless Applications
Step 0. Start the application. The reader will do the PICC Polling and scan for tags continuously.
Once the tag is found and detected, the corresponding ATR will be sent to the PC.
Step 1. Connect the “ACR122L PICC Interface” with T=1 protocol.
Step 2. Access the PICC by exchanging APDUs.
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Step N. Disconnect the “ACR122L PICC Interface”. Shut down the application.