RC523

Features:

• Highly integrated analog circuitry to demodulate and decode responses
• Buffered output drivers for connecting an antenna with the minimum number of external components
• Supports ISO/IEC 14443 A/MIFARE
• Supports ISO/IEC 14443 B Read/Write modes
• Typical operating distance in Read/Write mode up to 50 mm depending on the antenna size and tuning
• Supports MIFARE Mini, MIFARE 1K and MIFARE 4K encryption in Read/Write mode
• Supports ISO/IEC 14443 A higher transfer speed communication at 212 kBd, 424 kBd and 848 kBd
• Supports MFIN/MFOUT
• Additional internal power supply to the smart card IC connected via MFIN/MFOUT
• Supported host interfaces
• SPI up to 10 Mbit/s
• I2C-bus interface up to 400 kBd in Fast mode, up to 3400 kBd in High-speed mode
• RS232 Serial UART up to 1228.8 kBd, with voltage levels dependant on pin voltage supply
• FIFO buffer handles 64 byte send and receive
• Flexible interrupt modes
• Hard reset with low power function
• Power-down by software mode
• Programmable timer
• Internal oscillator for connection to 27.12 MHz quartz crystal
• 2.5 V to 3.3 V power supply
• CRC coprocessor
• QFN32 package