The PN532 is a highly integrated transmission module for contactless communication at 13.56 MHz including microcontroller functionality based on an 80C51 core with 40 Kbytes of ROM and 1 Kbytes of RAM. The PN532 combines a modulation and demodulation concept completely integrated for different kinds of contactless communication methods and protocols at 13.56 MHz with an easy-to-use firmware for the different supported modes and the required host controller interfaces.
It works as RFID reader/writer,1443-A card or a virtual card and also supports NFC with Android phone. It is also compatible with Arduino.
Features:
-Support II2, SPI and HSU (High-Speed UART)
-I2C / UART: 3.3V ~ 24V TTL
-SPI: 3.3V TTL with 100-ohm resistors in series
-Communication distance: 5cm~7cm
-On-board level shifter, Standard 5V TTL for I2C and UART, 3.3V TTL SPI
-Work in NFC Mode or RFID reader/writer Mode
-RFID reader/writer supports:
-Plug and play, compatible
-Built-in PCB Antenna, with 4cm~6cm communication distance
-On-board level shifter, Standard 5V TTL for I2C and UART, 3.3V TTL SPI
-Work as an RFID reader/writer
-Work as a 1443-A card or a virtual card
-Exchange data with other NFC devices such as a smartphone
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