[原创] NXP PN512 POS机硬件参考设计

NXP公司的PN512是用于13.56MHz无接触通信的高度集成收发器,具有8位并行接口,SPI接口,串行UART和I2C接口,支持读写模式ISO/IEC 14443A/MIFARE和FeliCa标准以及ISO/IEC 14443B,卡工作模式ISO/IEC 14443A/MIFARE 和FeliCa标准以及NFCIP-1模式.工作电压2.6-3.5V,主要用在支付应用.本文介绍了PN512主要特性和优势,框图和多种应用模式框图, POS机参考设计OM5597/RD2663主要特性,主板和模块读板电路图以及PCB设计图.

The PN512 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.

The PN512 transceiver ICs support 4 different operating modes
• Reader/Writer mode supporting ISO/IEC 14443A/MIFARE and FeliCa scheme
• Reader/Writer mode supporting ISO/IEC 14443B
• Card Operation mode supporting ISO/IEC 14443A/MIFARE and FeliCa scheme
• NFCIP-1 mode
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