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ST21NFCA - Near field communication microcontroller

General Description

The ST21NFCA is a single chip designed for supporting 13.56 MHz contactless communication, including Near Field Communication (NFC) functions in the three operating modes: card emulation, reader and peer-to-peer communication.

Key Features

  • ST21NFCA operating modes supported:.
  • Card emulation.
  • Reader.
  • Peer-to-peer communication VFQFPN32 Hardware features.
  • Security features.
  • Enhanced 8/16-bit CPU core with 16 Mbytes linear addressable memory 112 Kbytes of User ROM 4 Kbytes of RAM 36 Kbytes of EEPROM including 64 bytes User OTP area High integrated analog front end (AFE) for RF transmission and reception including automatic card and field detection mo.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ST21NFCA Near field communication microcontroller Data Brief Features ST21NFCA operating modes supported: ■ Card emulation ■ Reader ■ Peer-to-peer communication VFQFPN32 Hardware features ■ ■ ■ ■ ■ Security features ■ ■ ■ ■ ■ ■ Enhanced 8/16-bit CPU core with 16 Mbytes linear addressable memory 112 Kbytes of User ROM 4 Kbytes of RAM 36 Kbytes of EEPROM including 64 bytes User OTP area High integrated analog front end (AFE) for RF transmission and reception including automatic card and field detection modes Three 8-bit timers with interrupt capability Battery Off and Battery Low modes supported in Card Emulation mode Optimized power consumption modes SIM and ST21NFCA power management functions True random number generator ISO/IEC 3309 CRC calculation block ■ Unique serial number on