产品特点 Features

• High RF output power frontend IC for transfer speed up to 848 kbit/s
• Supports ISO/IEC 14443 A/MIFARE
• Supports MIFARE Classic encryption in read/write mode
• Low-Power Card Detection
• Antenna connection with minimum number of external components
• Supported host interfaces:
  • SPI up to 10 Mbit/s
  • I²C-bus interfaces up to 400 kBd in Fast mode, up to 1000 kBd in Fast mode plus
  • RS232 Serial UART up to 1228.8 kBd, with voltage levels dependent on pin voltage supply
• Separate I²C-bus interface for connection of a secure access module (SAM)
• FIFO buffer with size of 512 byte for highest transaction performance
• Flexible and efficient power saving modes including hard power down, standby and low-power card detection
• Cost saving by integrated PLL to derive system CPU clock from 27.12 MHz RF quartz crystal
• 3.3 V to 5 V power supply
• Up to 8 free programmable input/output pins
• Typical operating distance in read/write mode for communication to a ISO/IEC 14443A/MIFARE Card up to 12 cm, depending on the antenna size and tuning

应用

• Electronic payment systems
• Identification systems
• Access control systems
• Subscriber services
• Digital content systems

产品实物图