CI523 13.56MHz Card reader chip

Feature

• Highly integrated analog circuits, demodulation and decoding response

• Buffered output driver with minimal peripheral components for antenna connection

• Support ISO/IEC 14443 A/B/MIFARE

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

• Support MIFARE cards in reader mode

• Supports ISO/IEC 14443 A/B/Mifare higher rate communication up to 848kBd

• Support SPI interface, communication rate up to 10Mbit/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 27.12MHz quartz crystal

•2.3V to 4V supply voltage

•CRC coprocessor