The MFRC522 is member of a family of highly integrated reader ICs for contactless communication at 13.56 MHz. The MFRC522 is Pin and Software compatible to the MFRC523, PN511 and PN512.

The MFRC522 is a low-cost and high-speed solution based on ISO 14443 A standard that supports all the common controller interfaces. It uses a single power supply and is housed in a small package. The MFRC522 allows low BOM cost designs with very simple & fast design-in.

The MFRC522 is perfect solution for low cost closed payment, identification and handheld applications.

Key features

• Highly integrated analog reader/writer IC
• Supports all layers of ISO 14443 A with higher baud rates, up to 848 kbaud
• Transmitter circuit to drive an antenna designed for proximity operating distance directly without additional active circuitry
• Robust and efficient receiver for demodulation and decoding of signals from ISO 14443 A compatible transponders
• Digital handling of ISO 14443 A framing and error detection (parity, CRC)
• Anti-collision detection
• Comfortable 64 byte send & receive buffer
• MIFARE Crypto supports full range of NXP MIFARE card technology
• High speed SPI, I²C, Serial host interface
• 3.3V power supply and very low power consumption
• HVQFN32 package
• ISO14443 type A IP and License coverage
• NFC reader/writer compatible