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Features
General
* * * * * * * High-performance, Low-power SecureAVRTM 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: 2.7 to 5.5V Compliant with GSM, 3GPP and EMV 2000 Specifications, PC Industry Compatible Available in Wafers, Modules, and Industry-standard Packages
Memory
* 288K Bytes of ROM Program Memory including 32K bytes of ROM with specific access * 72K Bytes of EEPROM, Including 128 OTP Bytes and 384-byte Bit-addressable Bytes
- 1 to 128-byte Program / Erase - 1.25ms Program / 1.25ms Erase - Typically 500,000 Write/Erase Cycles at a Temperature of 25oC - 10 Years Data Retention - EEPROM Erase only mode - Write EEPROM with or without autoerase * 8K bytes RAM Memory (6K bytes of secureAVR RAM, 2K bytes of AdvXTM RAM, shared with the secureAVR core)
Secure Microcontroller for Smart Cards AT90SC 28872RCU Summary
Peripherals
* One I/O Port * One ISO 7816 Controller * * * * * * * * *
- Up to 625 Kbps at 5 MHz - Compliant with T=0 and T=1 Protocols Programmable Internal Oscillator (Up to 30 MHz for AdvX and 30 Mhz for internal CPU Clock) Two 16-bit Timers Random Number Generator (RNG) 2-level Interrupt Controller Hardware DES and Triple DES DPA/DEMA Resistant Checksum Accelerator Code Signature Module CRC16 & 32 Engine (Compliant with ISO/IEC 3309) 32-Bit Cryptographic Accelerator (AdvX for Public Key Operations) - RSA, DSA, ECC, Diffie-Hellman
Security
* Dedicated Hardware for Protection Against SPA/DPA/SEMA/DEMA Attacks * Advanced Protection Against Physical Attack, Including Active Shield, EPO, CStack * * * * * *
Checker, Slope Detector, Parity Errors Environmental Protection Systems Voltage Monitor Frequency Monitor Temperature Monitor Light Protection Secure Memory Management/Access Protection (Supervisor Mode)
Certification targeted
* CC EAL5+ * VISA * CAST
6542BS-SPD-02May07
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) to Support Software Development * IAR Embedded Workbench(R) V4.20 Debugger or Atmel's AVR Studio(R) Version 4.07 or Above * Software Libraries and Application Notes
Description
The AT90SC28872RCU is a low-power, high-performance, 8/16-bit microcontroller with ROM program memory, EEPROM memory, based on the SecureAVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the AT90SC28872RCU 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. In addition to the 288K bytes of embedded ROM, the AT90SC28872RCU includes 72K of Atmel's high density EEPROM. 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 versitile 8/16-bit CPU on a monolithic chip provides a highly flexible and cost-effective solution to many smart card applications. Figure 1 shows a block diagram of the AT90SC28872RCU
Figure 1. AT90SC28872RCU SecureAVR Enhanced RISC Architecture
Data Bus 8-bit OTP EEPROM User Memory CRYPTO ROM Program Memory 16 Instruction Register 16 8 Instruction Decoder 16 Control Lines Status Register 8 General Purpose Registers X
Y Z
Access Control
RNG
Secure Control
CLK GND
VCC
PC
Access Control 8
AdvX CryptoCoprocessor
ALU
RAM Data Memory Interrupt Unit ISO 7816 Controller ISO 7816 I/O Port 0 Timer 0 Timer 1 DES DPA Counter measures CRC and Checksum Accelerator Reset Circuit RST
IN/OUT0
Code Signature Module
2
AT90SC28872RCU
6542BS-SPD-02May07
Atmel Corporation
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6542BS-SPD-02May07

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