MCRF450 데이터 시트보기 (PDF) - Microchip Technology

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MCRF450

13.56 MHz Read/Write Passive RFID Device

Microchip Technology 

MCRF450/451/452/455

6.1.4 REACTIVATION LOOP

The reactivation loop is used to process a device with

its FR bit cleared. A device in this loop waits for the

FRB command. If a device receives the FRB

command, it transmits the contents of Block 1 (Tag ID)

to its memory and waits for a MC2 in its listening

window. If the device receives the MC2, it leaves this

loop and enters the processing loop. This reactivation

loop has no anti-collision capability. It is designed for

reactivation of single devices. This loop can be

effectively used in retail store applications to process

returning items from customers.

DS40232H-page 18

 2003 Microchip Technology Inc.

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