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MFRC522 데이터시트(PDF) 97 Page - NXP Semiconductors

부품명 MFRC522
상세설명  Contactless Reader IC
PDF  109 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

MFRC522 데이터시트(HTML) 97 Page - NXP Semiconductors

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© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 3.2 — 22 May 2007
97 of 109
NXP Semiconductors
MFRC522
Contactless Reader IC
28. Abbreviations
29. References
[1]
AN - MFRC52x Reader IC Family Directly Matched Antenna Design —
Application note for Mifare MFRC52x Reader IC Antenna Design
[2]
AN - Mifare(14443A) 13,56 MHz RFID Proximity Antennas —
Application note for Mifare Proximity Antenna Design
Table 176: Abbreviations
Acronym
Description
ASK
Amplitude Shift keying
PCD
Proximity Coupling Device. Definition for a Card reader/writer according to the
ISO/IEC 14443 specification.
PICC
Proximity Cards. Definition for a contactless Smart Card according to the
ISO/IEC 14443 specification.
PCD Æ PICC
Communication flow between a PCD and a PICC according to the
ISO/IEC 14443A/MIFARE®
PICCÆ PCD
Communication flow between a PICC and a PCD according to the
ISO/IEC 14443A/MIFARE®.
Modulation Index The modulation index is defined as the voltage ratio (Vmax - Vmin)/
(Vmax + Vmin).
Loadmodulation
Index
The load modulation index is defined as the card’s voltage ratio (Vmax - Vmin)/
(Vmax + Vmin) measured at the card’s coil.



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