ST21NFCA datasheet(1/6 Pages) STMICROELECTRONICS

No. de pieza	ST21NFCA

Descripción Electrónicos	Near field communication microcontroller

PDF	6 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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Data Brief

For further information contact your local STMicroelectronics sales office.

February 2008

Rev 1

1/6

6

ST21NFCA

Near field communication microcontroller

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

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.

VFQFPN32

www.st.com

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