mfrc531 NXP Semiconductors, mfrc531 Datasheet
mfrc531
Manufacturer Part Number
mfrc531
Description
Iso/iec 14443 Reader Ic
Manufacturer
NXP Semiconductors
Datasheet
1.MFRC531.pdf
(116 pages)
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1. Introduction
2. General description
This data sheet describes the functionality of the MFRC531 Integrated Circuit (IC). It
includes the functional and electrical specifications and from a system and hardware
viewpoint gives detailed information on how to design-in the device.
Remark: The MFRC531 supports all variants of the MIFARE Mini, MIFARE 1K,
MIFARE 4K, MIFARE Ultralight, MIFARE DESFire EV1 and MIFARE Plus RF
identification protocols. To aid readability throughout this data sheet, the MIFARE Mini,
MIFARE 1K, MIFARE 4K, MIFARE Ultralight, MIFARE DESFire EV1 and MIFARE Plus
products and protocols have the generic name MIFARE.
The MFRC531 is a member of a new family of highly integrated reader ICs for contactless
communication at 13.56 MHz. This family of reader ICs provide:
All protocol layers of the ISO/IEC 14443 A and ISO/IEC 14443 B communication
standards are supported provided:
Using this NXP Semiconductors’ device according to ISO/IEC 14443 B may infringe third
party patent rights.
The MFRC531 supports contactless communication using MIFARE higher baud rates
(see
demodulation/decoding circuitry implementation for compatible transponder signals (see
Section 9.10 on page
The digital module, manages the complete ISO/IEC 14443 standard framing and error
detection (parity and CRC). In addition, it supports the fast MIFARE security algorithm for
authenticating the MIFARE products (see
•
•
•
•
•
•
MFRC531
ISO/IEC 14443 reader IC
Rev. 3.4 — 26 January 2010
056634
outstanding modulation and demodulation for passive contactless communication
a wide range of methods and protocols
a small, fully integrated package
pin compatibility with the MFRC500, MFRC530 and SLRC400
additional components, such as the oscillator, power supply, coil etc. are correctly
applied.
standardized protocols, such as ISO/IEC 14443-4 and/or ISO/IEC 14443 B
anticollision are correctly implemented
Section 9.12 on page
32).
38). The receiver module provides a robust and efficient
Section 9.14 on page
40).
Product data sheet
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