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Abridged data sheet – Rainbow Electronics MAX66040 User Manual

Page 12

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MAX66040

Get UID

This command allows the master to retrieve the
device’s unique identification number, UID. In the
response, the least significant UID byte is transmitted
first. To read the UID, issue a request with the com-
mand code 30h in the request information field.

INDICATOR UID

00h (8

Bytes)

Response Information Field for the Get UID Command (No Error)

ISO/IEC 14443 Type B-Compliant

Secure Memory

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ABRIDGED DATA SHEET