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ST21NFCA Datasheet(PDF) 1 Page - STMicroelectronics |
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ST21NFCA Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 6 page 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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