MFRC522_10 查看數據表（PDF） - NXP Semiconductors.

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MFRC522_10

Contactless reader IC

NXP Semiconductors. 

NXP Semiconductors

MFRC522

Contactless reader IC

SDA/NSS/RX EA I2C

24

32 1

D6/ADR_0/

D2/ADR_4 D4/ADR_2 MOSI/MX

D5/ADR_1/ D7/SCL/

D1/ADR_5 D3/ADR_3 SCK/DTRQ MISO/TX

PVDD PVSS

25 26 27 28 29 30 31

2

5

SPI, UART, I2C-BUS INTERFACE CONTROL

FIFO CONTROL

64-BYTE FIFO

BUFFER

CONTROL REGISTER

BANK

STATE MACHINE

COMMAND REGISTER

PROGRAMABLE TIMER

INTERRUPT CONTROL

VOLTAGE

MONITOR

AND

POWER ON

DETECT

3

DVDD

4 DVSS

15 AVDD

18 AVSS

RESET

CONTROL

POWER-DOWN

CONTROL

6 NRSTPD

23 IRQ

MIFARE CLASSIC UNIT

CRC16

GENERATION AND CHECK

RANDOM NUMBER

GENERATOR

AMPLITUDE

RATING

REFERENCE

VOLTAGE

ANALOG TEST

MULTIPLEXOR

AND

DIGITAL TO

ANALOG

CONVERTER

PARALLEL/SERIAL

CONVERTER

BIT COUNTER

PARITY GENERATION AND CHECK

FRAME GENERATION AND CHECK

BIT DECODING

BIT ENCODING

SERIAL DATA SWITCH

ANALOG TO DIGITAL

CONVERTER

CLOCK

GENERATION,

FILTERING AND

DISTRIBUTION

OSCILLATOR

7 MFIN

8 MFOUT

9

SVDD

21

OSCIN

22 OSCOUT

I-CHANNEL

AMPLIFIER

I-CHANNEL

DEMODULATOR

Q-CHANNEL

AMPLIFIER

Q-CHANNEL

DEMODULATOR

Q-CLOCK

GENERATION

TEMPERATURE

SENSOR

TRANSMITTER CONTROL

16 19 20

VMID AUX1 AUX2

17

RX

Fig 2. Detailed block diagram of the MFRC522

10, 14 11

TVSS TX1

13

12

TX2 TVDD

001aak602

MFRC522_34

Product data sheet

PUBLIC

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

Rev. 3.4 — 5 March 2010

112134

© NXP B.V. 2010. All rights reserved.

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