FM1702NL

The FM1702NL is a dedicated non-contact card reader IC developed by Fudan Microelectronics Group Co., Ltd. (FM/复旦微). It adheres to the ISO 14443 standard and operates at a frequency of 13.56MHz, supporting the Type A non-contact communication protocol. This chip is compatible with Philips' MFRC500 reader IC.

Key electrical specifications include an SPI interface and an operating voltage range of 3V to 5.5V. The device incorporates various features such as built-in encryption, low-power wake-up functionality, non-volatile memory, and data validation. It boasts a highly integrated analog circuit requiring minimal external components and offers an operating distance of up to 10cm.

The FM1702NL is manufactured using a 0.6 µm CMOS EEPROM process. It includes 512 bytes of EEPROM and a 64-byte FIFO buffer. The digital circuitry supports both TTL and CMOS voltage modes, and the chip features a software-controlled power-down mode, a programmable timer, an interrupt processor, and a serial input/output port. The digital, analog, and transmit modules can be powered independently.

Packaged in a SOIC-32-300mil footprint and supplied in tube packaging, the FM1702NL is suitable for various RFID applications requiring reliable and efficient card reading capabilities.