PN531 Datasheet, PDF (4/19 Pages) NXP Semiconductors – μC based Transmission module

Philips Semiconductors
PN531
Objective Short Form Specification Rev. 2.0 February 2004
µC based Transmission module
1.1 Features
• 80C51 microcontroller core with 32 kbyte ROM and 1 kbyte RAM
• Highly integrated analog circuitry for transmission and reception
• Output drivers to connect an antenna with minimum number of external components
• Integrated RF Level detector
• Integrated mode detector
• Hardware and embedded Firmware support for
• ISO 14443A reader/writer mode
• MIFARE^® Classic encryption and MIFARE^® higher baudrate communication up to 424 kbit/s
• Contactless communication according to the FeliCa^TM scheme at 212 kbit/s and 424 kbit/s
• NFC standard ECMA 340 and ISO 18092: NFC IP-1 interface and protocol
• Host protocol on following interfaces
• USB 2.0 full speed compliant device
• SPI
• I2C
• High speed serial UART
• Optional interrupt line to the host
• Hard reset with low power function
• Flexible Power down mode or power reduction mode per software
• Internal oscillator to connect a 27.12 MHz quartz
• Internal oscillator to connect a 4 MHz quartz for the USB interface
• 2.5 - 3.6 V power supply
• USB bus powered (In USB mode)
• Specific IO ports and interrupt sources for external devices control
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