CI522 NFC card reader chip

Parameter characteristics

● Highly integrated analog circuit, demodulation and decoding response

● Buffered output driver with minimal peripheral components for antenna connection

● Support ISO/IEC 14443 A

● The operating distance of the reader mode depends on the size and number of turns of the antenna, the typical operating distance is 50 mm,

• Support ISO/IEC 14443 A higher rate communication up to 848 kBd

● Support SPI interface, communication rate up to 10 Mbit/s

● 64 bytes send and receive FIFO buffers

● Flexible interrupt mode

● Low power hard reset function

● Software power off mode

● Programmable timer

● Internal oscillator, connected to 27.12 MHz quartz crystal

● 2.3V to 4V supply voltage

● CRC coprocessor