mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 6

• Manufacturer Part Number: mfrc522
• Description: Contactless Reader Ic
• Manufacturer: NXP Semiconductors

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