MFRC523 Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

MFRC523

Contactless Reader IC

NXP Semiconductors. 

NXP Semiconductors

MFRC523

Contactless reader IC

20. Abbreviations

Table 159. Abbreviations

Acronym

Description

ADC

Analog-to-Digital Converter

ASK

Amplitude Shift Keying

BPSK

Binary Phase Shift Keying

CRC

Cyclic Redundancy Check

CW

Continuous Wave

DAC

Digital-to-Analog Converter

EOF

End Of Frame

HBM

Human Body Model

I2C

Inter-integrated Circuit

LSB

Least Significant Bit

MISO

Master In Slave Out

MM

Machine Model

MOSI

Master Out Slave In

MSB

Most Significant Bit

NRZ

Not Return to Zero

NSS

Not Slave Select

PCB

Printed-Circuit Board

PLL

Phase-Locked Loop

PRBS

Pseudo-Random Bit Sequence

RX

Receiver

SOF

Start Of Frame

SPI

Serial Peripheral Interface

TX

Transmitter

UART

Universal Asynchronous Receiver Transmitter

21. Glossary

Modulation index — Defined as the voltage ratio (Vmax − Vmin) / (Vmax + Vmin).

Load modulation index — Defined as the voltage ratio for the card

(Vmax − Vmin) / (Vmax + Vmin) measured at the card’s coil.

22. References

[1] Application note — MFRC52x Reader IC Family Directly Matched Antenna

Design

[2] Application note — MIFARE (ISO/IEC 14443 A) 13.56 MHz RFID Proximity

Antennas

MFRC523_33

Product data sheet

PUBLIC

All information provided in this document is subject to legal disclaimers.

Rev. 3.3 — 5 March 2010

115233

© NXP B.V. 2010. All rights reserved.

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