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MFRC522 Datasheet(PDF) 6 Page - NXP Semiconductors |
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MFRC522 Datasheet(HTML) 6 Page - NXP Semiconductors |
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6 / 109 page  112132 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 3.2 — 22 May 2007 6 of 109 NXP Semiconductors MFRC522 Contactless Reader IC Fig 2. MFRC522 Block diagram SPI, UART, I2C Interface Control Control Register Bank 64 Byte FIFO Serial Data Switch Parallel/Seriell Converter Programable Timer D1 to D7 EA, I2C SDA MIFARE Classic Unit Bit Counter Parity Generation & Check Frame Generation & Check CRC16 Generation & Check Power Down Control Command Register State Machine Reset Control DVDD DVSS NRSTPD Bit Decoding Bit Coding Transmitter Control TX1 TX2 TVSS TVDD FIFO Control Q-Clock Generation Oscillator OSCIN OSCOUT Q-Channel Amplifier Q-Channel Demodulator I-Channel Demodulator A/D Converter Amplitude Rating I-Channel Amplifier Reference Voltage VMID RX Analog Test MUX and DAC AUX1,2 Interrupt Control Voltage Monitor & Power On Detect IRQ Clock Generation, Filtering and Distribution PVDD PVSS Random Number Generator AVDD AVSS Temperature Sensor MFIN MFOUT SVDD |
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