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MFRC522 Datasheet(PDF) 15 Page - NXP Semiconductors

Part # MFRC522
Description  Contactless Reader IC
PDF  109 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

MFRC522 Datasheet(HTML) 15 Page - NXP Semiconductors

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© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 3.2 — 22 May 2007
15 of 109
NXP Semiconductors
MFRC522
Contactless Reader IC
2
LoAlertIEn
Allows the low alert interrupt request (indicated by bit LoAlertIRq) to be
propagated to pin IRQ.
1
ErrIEn
Allows the error interrupt request (indicated by bit ErrIRq) to be propagated
to pin IRQ.
0
TimerIEn
Allows the timer interrupt request (indicated by bit TimerIRq) to be
propagated to pin IRQ.
Table 12:
Description of CommIEnReg bits
Bit
Symbol
Description



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