Introduction
This Product short data sheet describes the functionality of the transceiver IC PN511. It includes functional and electrical specifications. A complete specification is given in the product data sheet.

General description
The PN511 is a highly integrated transceiver IC for contactless communication at 13.56 MHz. This transceiver IC utilizes an outstanding modulation and demodulation concept completely integrated for different kinds of contactless communication methods and protocols at 13.56 MHz.

FEATUREs
■ Highly integrated analog circuitry to demodulate and decode responses
■ Buffered output drivers to connect an antenna with minimum number of external components
■ Integrated RF Level detector
■ Integrated data mode detector
■ ISO 14443A/Mifare support
■ Typical operating distance in Reader/Writer mode for communication to a ISO 14443A/Mifare or FeliCa card up to 50 mm depending on the antenna size, tuning and power supply
■ Typical operating distance in NFCIP-1 mode up to 50 mm depending on the antenna size and tuning and power supply
■ Typical operating distance in ISO 14443A/Mifare card or FeliCa Card Operation mode of about 100 mm depending on the antenna size and tuning and the external field strength
■ Mifare Classic encryption in Reader/Writer mode support
■ ISO 14443A higher transfer speed communication at 212 kbit/s and 424 kbit/s
■ Contactless communication according to the FeliCa scheme at 212 kbit/s and 424 kbit/s
■ Integrated RF interface for NFCIP-1 up to 424 kbit/s
■ S2C interface
■ Supported host controller interfaces
   ♦ SPI interface up to 10 Mbit/s
   ♦ I2C interface up to 400 kbit/s in Fast mode, up to 3400 kbit/s in High-speed mode
   ♦ serial UART in different transfer speeds up to 1228.8 kbit/s, framing according to the RS232 interface with voltage levels according pad voltage supply
   ♦ 8-bit parallel interface with and without Address Latch Enable
■ Comfortable 64 byte send and receive FIFO-buffer
■ Flexible interrupt modes
■ Hard reset with low power function
■ Power-down mode per software
■ Programmable timer
■ Internal oscillator to connect 27.12 MHz quartz
■ 2.5-3.6 V power supply
■ CRC Co-processor
■ Free programmable I/O pins
■ Internal self test