Features General • High-performance, Low-power secure AVR Enhanced RISC Architecture • • • • • • – 135 Powerful Instructions (Most Executed in a Single Clock Cycle) Low Power Idle and Power-down Modes Bond Pad Locations Conforming to ISO 7816-2 ESD Protection to ± 6000V Operating Ranges: 1.62V to 5.5V Compliant with GSM, 3GPP and EMV 2000 Specifications; PC Industry Compatible Available in Wafers, Modules, and Industry-standard Packages Memory • 320K Bytes of ROM Program Memory • 288K Bytes of EEPROM, Including 128 OTP Bytes and 384-byte Bit-addressable Area • • • • – 1 to 128-byte Program / Erase – 1ms Program / 1ms Erase – Typically More than 500,000 Write/Erase Cycles at a Temperature of 25 oC – 10 Years Data Retention EEPROM Erase Only Mode Write EEPROM With or Without Autoerase 8K Bytes of RAM 32K Bytes of ROM Dedicated to Atmel’s Crypto-library Secure Microcontroller for Smart Cards AT90SC 320288RCT Summary Peripherals • Two I/O Ports • • • • • • • • • • – Configurable to Support Communication Protocols, Including ISO7816-3 and 2-wire protocols ISO7816 Controller – Up to 625 kbps at 5 MHz – Compliant with T=0 and T=1 Protocols Serial Peripheral Interface (SPI) Contoller (up to 12 MHz) Programmable Internal Oscillator – Up to 20 MHz on ROM – Up to 40 MHz for Cryptographic Accelerator Two 16-bit Timers Random Number Generator (RNG) 2-level, 8-vector Interrupt Controller 32-bit Cryptographic Accelerator for Public Key Operations Including – RSA, DSA, ECC, Diffie-Hellman Hardware DES and Triple DES (DPA Resistant) Checksum Accelerator CRC 16 and 32 Engine (Compliant with ISO/IEC 3309) Security • • • • • • • • Dedicated Hardware for Protection Against SPA/DPA Attacks Advanced Protection Against Physical Attack, Including Active Shield Environmental Protection Systems Voltage Monitor Frequency Monitor Light Protection Temperature Monitor Secure Memory Management/Access Protection (Supervisor Mode) 6507BS–SMIC–14Apr05 Note: This is a summary document. A complete document will be available under NDA. For more information, please contact your local Atmel sales office. Development Tools • Voyager Emulation Platform (ATV4 Standard) to Support Software Development • IAR Embedded Workbench ® V3.20c Debugger or Atmel’s AVR Studio ® Version 4.07 or Above • Software Libraries and Application Notes Description The AT90SC320288RCT is a low-power, high-performance, 8/16-bit microcontroller with ROM program memory, EEPROM data memory, based on the secureAVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the AT90SC320288RCT achieves throughputs close to 1 MIPS per MHz. Its Harvard architecture includes 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The ability to map the EEPROM in the code space allows parts of the program memory to be reprogrammed in-system. This technology combined with the versatile 8/16-bit CPU on a monolithic chip provides a highly flexible and cost-effective solution to many smart card applications. The AT90SC320288RCT benefits of advanced EEPROM functions (XP Mode), but can also be configured to offer compatibility with previous product generations (e.g. AT90SC25672R or AT90SC19236R). The cryptographic accelerator, running with the secureAVR core, featured in the AT90SC320288RCT series is the new AdvX. It is based on a 32-bit multiplier-accumulator architecture which is designed to perform fast encryption and authentication functions. This enables fast computation and low-power operation. The controlling firmware is located either in the dedicated ROM memory (Atmel’s cryptolibrary supports standard finite field arithmetic functions including RSA, DSA, DH and ECC) or in the ROM program memory (customer specific). Additional security features include power and frequency protection logic, logical scrambling on program data and addresses, Power Analysis countermeasures and memory accesses controlled by a supervisor mode. Figure 1 shows the AT90SC320288RCT block diagram. 2 AT90SC320288RCT 6507BS–SMIC–14Apr05 AT90SC320288RCT Figure 1. AT90SC320288RCT secureAVR Enhanced RISC Architecture 3 6507BS–SMIC–14Apr05 Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel: (852) 2721-9778 Fax: (852) 2722-1369 Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel: (81) 3-3523-3551 Fax: (81) 3-3523-7581 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 Microcontrollers 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 La Chantrerie BP 70602 44306 Nantes Cedex 3, France Tel: (33) 2-40-18-18-18 Fax: (33) 2-40-18-19-60 ASIC/ASSP/Smart Cards RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany Tel: (49) 71-31-67-0 Fax: (49) 71-31-67-2340 1150 East Cheyenne Mtn. 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