ST21NFCA Datasheet, PDF (1/6 Pages) STMicroelectronics – Near field communication microcontroller

ST21NFCA
Near field communication microcontroller
Data Brief
Features
ST21NFCA operating modes supported:
■ Card emulation
■ Reader
■ Peer-to-peer communication
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
■ SIM and ST21NFCA power management
functions
RF communications
■ ISO/IEC 14443 A&B
■ ISO/IEC 15693
■ ISO/IEC 18000-3 Mod1
■ ECMA340 (NFCIP-1)
■ Supports FeliCa™ cards as described in
ECMA340 specification
■ All RF communications are available in card
and reader modes
Communication interfaces
■ Single Wire Protocol (SWP) interface
■ I²C Slave interface
■ SPI Slave interface
■ Asynchronous receiver transmitter ISO/IEC
7816-3 master interface supporting T=0 and
T=1 protocols
VFQFPN32
Security features
■ True random number generator
■ ISO/IEC 3309 CRC calculation block
■ Unique serial number on each die
■ Hardware DES accelerator
Electrical characteristics
■ Standby current: < 75 µA (typ.)
■ Card emulation: < 8 mA in normal mode
■ Standby current for Reader mode: ~200 µA in
Card Detection mode
■ Reader mode: < 70 mA (typ.)
■ 3V power supply
■ Supports Class B and C for UICC
Software features
■ Includes all drivers supporting the handling and
host protocols for contact and contactless
interfaces
■ Includes complete firmware driving switch
modes between operating modes and host
controller interface functions (HCI)
Validation tools
An evaluation and debugging board is available
for complete integration.
February 2008
Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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