ST21NFCA Overview
ST21NFCA 1 Description The ST21NFCA is a single chip designed for supporting 13.56 MHz contactless munication, including Near Field munication (NFC) functions in the three operating modes: card emulation, reader and peer-to-peer munication. The ST21NFCA is designed for an optimized integration on a mobile phone with the munication links shown in Figure.
ST21NFCA Key Features
- Card emulation
- Reader
- Peer-to-peer munication
- Security features
- Unique serial number on each die
- Hardware DES accelerator
- RF munications
- Includes plete firmware driving switch modes between operating modes and host controller interface functions (HCI)
- SPI Slave interface
- Asynchronous receiver transmitter ISO/IEC 7816-3 master interface supporting T=0 and T=1 protocols



