ST ST21NFCA 13.56MHz无接触通信解决方案

ST公司的ST21NFCA是支持13.56MHz无接触通信的单片解决方案,包括三种工作模式(卡仿真,读卡器和对等(P2P)通信)的近距离无线通信（NFC）. ST21NFCA是基于Smartcard ST21微控制器,有36KB EEPROM,112KB用户ROM,4KB RAM以及支持所有无接触近距离协议的RF模拟前端(AFE).本文介绍了ST21NFCA主要特性,方框图以及在手机中的应用通信链和固件架构框图.
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.
This product is based on an advanced Smartcard ST21 microcontroller with 36 Kbytes of EEPROM, 112 Kbytes of User ROM and 4 Kbytes of RAM and includes an integrated RF Analog Front End (AFE) supporting all the contactless proximity (ISO/IEC 14443, Calypso V1 Radio Protocol (B’), ECMA340 (NFCIP-1), and vicinity (ISO/IEC15693, ISO/IEC18000- 3Mod1) standards.
The ST21NFCA system-on-chip combines a complete hardware capability for 13.56 MHz contactless communication with an useful embedded firmware which handles:
● ISO/IEC 14443 A&B, Calypso V1 Radio Protocol (B’), ECMA340 (NFCIP-1), ISO/IEC
15693, ISO/IEC18000-3Mod1 in card emulation modes as well as reader modes
● Switch modes between operating modes and RF modes
● Host Controller Interface functions (HCI based on the ETSI specification) ST21NFCA operating modes supported:
■ Card emulation
■ Reader
■ Peer-to-peer communication
ST21NFCA主要特性:
Hardware 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
■...