MFRC522 Datasheet, PDF (6/109 Pages) NXP Semiconductors – Contactless Reader IC

NXP Semiconductors
MFRC522
Contactless Reader IC
SDA
EA, I2C
D1 to D7
PVDD
PVSS
SPI, UART, I2C Interface Control
FIFO Control
64 Byte FIFO
Control Register Bank
MIFARE Classic Unit
Random Number Generator
State Machine
Command Register
Programable Timer
Interrupt Control
CRC16
Generation & Check
Parallel/Seriell Converter
Bit Counter
Parity Generation & Check
Frame Generation & Check
Bit Decoding
Bit Coding
Voltage
Monitor
&
Power On
Detect
Reset
Control
Power Down
Control
DVDD
DVSS
AVDD
AVSS
NRSTPD
IRQ
Serial Data Switch
Amplitude
Rating
Reference
Voltage
A/D Converter
Analog Test
MUX and
DAC
I-Channel
Amplifier
I-Channel
Demodulator
Q-Channel
Amplifier
Q-Channel
Demodulator
Clock
Generation,
Filtering and
Distribution
Oscillator
Q-Clock
Generation
Temperature
Sensor
Transmitter Control
MFIN
MFOUT
SVDD
OSCIN
OSCOUT
VMID
AUX1,2
Fig 2. MFRC522 Block diagram
112132
Product data sheet
RX
TVSS
TX1
TX2
TVDD
Rev. 3.2 — 22 May 2007
© NXP B.V. 2007. All rights reserved.
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