General description：

The PN532 is a highly integrated transceiver module for contactless communication at13.56 MHz based on the 80C51 microcontroller core. It supports 6 different operatingmodes:• ISO/IEC 14443A/MIFARE Reader/Writer• FeliCa Reader/Writer• ISO/IEC 14443B Reader/Writer• ISO/IEC 14443A/MIFARE Card MIFARE Classic 1K or MIFARE Classic 4K cardemulation mode• FeliCa Card emulation• ISO/IEC 18092, ECMA 340 Peer-to-PeerThe PN532 implements a demodulator and decoder for signals fromISO/IEC 14443A/MIFARE compatible cards and transponders. The PN532 handles thecomplete ISO/IEC 14443A framing and error detection (Parity & CRC).The PN532 supports MIFARE Classic 1K or MIFARE Classic 4K card emulation mode.The PN532 supports contactless communication using MIFARE Higher transfer speedsup to 424 kbit/s in both directions.The PN532 can demodulate and decode FeliCa coded signals. The PN532 handles theFeliCa framing and error detection. The PN532 supports contactless communicationusing FeliCa Higher transfer speeds up to 424 kbit/s in both directions.The PN532 supports layers 2 and 3 of the ISO/IEC 14443 B Reader/Writercommunication scheme, except anticollision. This must be implemented in firmware aswell as upper layers.In card emulation mode, the PN532 is able to answer to a Reader/Writer command eitheraccording to the FeliCa or ISO/IEC 14443A/MIFARE card interface scheme. The PN532generates the load modulation signals, either from its transmitter or from the LOADMODpin driving an external active circuit. A complete secure card functionality is only possiblein combination with a secure IC using the NFC-WI/S2C interface.Compliant to ECMA 340 and ISO/IEC 18092 NFCIP-1 Passive and Active communicationmodes, the PN532 offers the possibility to communicate to another NFCIP-1 compliantdevice, at transfer speeds up to 424 kbit/s.The PN532 handles the complete NFCIP-1framing and error detection.The PN532 transceiver can be connected to an external antenna for Reader/Writer orCard/PICC modes, without any additional active component.

The PN532 supports the following host interfaces:• SPI• I2C• High Speed UART (HSU)An embedded low-dropout voltage regulator allows the device to be connected directly toa battery. In addition, a power switch is included to supply power to a secure IC.

Features and benefits：

 80C51 microcontroller core with 40 KB ROM and 1 KB RAM

 Highly integrated demodulator and decoder

 Buffered output drivers to connect an antenna with minimum number of externalcomponents

 Integrated RF level detector

 Integrated data mode detector

 Supports ISO/IEC 14443A/MIFARE

 Supports ISO/IEC 14443B (Reader/Writer mode only)

 Typical operating distance in Reader/Writer mode for communication toISO/IEC 14443A/MIFARE, ISO/IEC 14443B or FeliCa cards up to 50 mm dependingon antenna size and tuning

 Typical operating distance in NFCIP-1 mode up to 50 mm depending on antenna size,tuning and power supply

 Typical operating distance in ISO/IEC 14443A/MIFARE or FeliCa card emulation modeof approximately 100 mm depending on antenna size, tuning and external fieldstrength

 Supports MIFARE Classic 1K or MIFARE Classic 4K encryption in Reader/Writermode and MIFARE higher transfer speed communication at 212 kbit/s and 424 kbit/s

 Supports contactless communication according to the FeliCa protocol at 212 kbit/s and424 kbit/s

 Integrated RF interface for NFCIP-1 up to 424 kbit/s

 Possibility to communicate on the RF interface above 424 kbit/s using external analogcomponents

 Supported host interfaces

 SPI interface

 I2C interface

 High-speed UART

 Dedicated host interrupts

 Low power modes

 Hard-Power-Down mode (1 A typical)

 Soft-Power-Down mode (22 A typical)

 Automatic wake-up on I2C, HSU and SPI interfaces when device is in Power-downmode

 Programmable timers

 Crystal oscillator

 2.7 to 5.5 V power supply operating range

 Power switch for external secure companion chip

 Dedicated IO ports for external device control

 Integrated antenna detector for production tests

 ECMA 373 NFC-WI interface to connect an external secure IC