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AT88SC0404CRF-WA1 Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT88SC0404CRF-WA1 Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 9 page Note: This is a summary document. A complete document is available under NDA. For more information, please contact your local Atmel sales office. Features • One of a Family of Devices with User Memory of 1 Kbit to 64 Kbits • Contactless 13.56 MHz RF Communications Interface – ISO/IEC 14443-2:2001 Type B Compliant – ISO/IEC 14443-3:2001 Type B Compliant Anticollision Protocol – Command Set Optimized for Multicard RF Communications – Tolerant of Type A Signaling for Multiprotocol Applications • Integrated 82 pF Tuning Capacitor • User EEPROM Memory – 4 Kbits Configured as Four 128-byte (1-Kbit) User Zones – Byte, Page, and Partial Page Write Modes – Self-timed Write Cycle • 256-byte (2-Kbit) Configuration Zone – User-programmable Application Family Identifier (AFI) – User-defined Anticollision Polling Response – User-defined Keys and Passwords • High-Security Features – 64-bit Mutual Authentication Protocol (under license of ELVA) – Encrypted Checksum – Stream Encryption – Four Key Sets for Authentication and Encryption – Four Sets of Two 24-bit Passwords – Password and Authentication Attempts Counters – Selectable Access Rights by Zone – Antitearing Function – Tamper Sensors • High Reliability – Endurance: 100,000 Write Cycles – Data Retention: 10 Years – Operating Temperature: −40°C to +85°C Description The CryptoRF® family integrates a 13.56 MHz RF interface into a CryptoMemory®, resulting in a contactless smart card with advanced security and cryptographic fea- tures. This device is optimized as a contactless secure memory, for RF smart cards, and secure data storage, without the requirement of an internal microprocessor. For communications, the RF interface utilizes the ISO/IEC 14443-2 and -3 Type B bit timing and signal modulation schemes, and the ISO/IEC 14443-3 Slot-MARKER Anti- collision Protocol. Data is exchanged half duplex at a 106-kbit/s rate, with a two-byte CRC_B providing error detection capability. The maximum communication range between the reader antenna and contactless card is approximately 10 cm when used with an RFID reader that transmits the maximum ISO/IEC 14443-2 RF power level. The RF interface powers the other circuits; no battery is required. Full compliance with the ISO/IEC 14443-2 and -3 standards results in anticollision interoperability with the AT88RF020 2-Kbit RFID EEPROM product and provides both a proven RF communi- cation interface and a robust anticollision protocol. The AT88SC0404CRF contains 4 Kbits of user memory and 2 Kbits of configuration memory. The 2 Kbits of configuration memory contain four sets of read/write pass- words, four crypto key sets, security access registers for each user zone, and password/key registers for each zone. The CryptoRF command set is optimized for a multicard RF communications environ- ment. A programmable AFI register allows this IC to be used in numerous applications in the same geographic area with seamless discrimination of cards assigned to a par- ticular application during the anticollision process. 13.56 MHz CryptoRF EEPROM Memory 4 Kbits AT88SC0404CRF Summary Rev. 5023CS–CRRF–12/06 |
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