Features
General
• High-performance, Low-power secureAVR® Core 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 on contact pins, ± 2000V on RF pins
• Operating Ranges: 2.7V to 5.5V
• Power-saving Wait and Very Low-power Stop Modes
• Power-up Detection
• Compliant with ICAO e-passport specifications (BAC, AA, EAC)
• Compliant with EMV 2000 Specifications; PC Industry Compatible
• Available in Wafers, Modules, Contactless Module or Inlay and Industry-standard
Packages
Secure
Microcontrollers
for Smart Cards
Contactless Mode
• Contactless Interface Controller (CIC) with Full Support for ISO/IEC 14443 Type A and B
Protocol
• Supply Voltage Clamp and Regulation
AT90SC256144RCFT
• Full-bridge Power Rectification
• On-chip Tuning Capacitance: 20pF or 100pF
• 13.56 MHz Clock Extraction
• 6.78 MHz Internal Bus Frequency
• Reader-to-card:
• ISO/IEC Type A: 100% ASK Modulation and Modified Miller Bit Coding
• ISO/IEC Type B: 10% ASK Modulation and NRZ Bit Coding
• Baud Rates: 106Kbps, 212Kbps, 424Kbps and 848Kbps
• Card-to-reader:
• ISO/IEC Type A: Generation of 847.5KHz Subcarrier with OOK Modulation and
Manchester Bit Coding
• ISO/IEC Type B: Modulation of Incoming RF Carrier by Resistive Load
Switching / Generation of 847.5KHz Subcarrier with BPSK Modulation / NRZ
data Encoding
• Baud Rates: 106Kbps, 212Kbps, 424Kbps and 848Kbps
Memory
• 256K Bytes of ROM Program Memory
• 144K Bytes of EEPROM, Including 128 OTP Bytes and 384 Bit-addressable Bytes
• 1 to 128-byte Program/Erase
• 2 ms Program, 2 ms Erase
• Endurance: 500,000 Write/Erase Cycles at 25°C
• 10 Years Data Retention
• EEPROM Erase Only Mode
• Write EEPROM without or with Auto-Erase
• 8K Bytes of RAM + 256 Bytes of DMA dedicated RAM
• 32K Bytes of ROM Dedicated to Atmel’s Crypto Library
Security
• Dedicated Hardware for Protection Against SPA/DPA Attacks
• Advanced Protection Against Physical Attack, Including Active Shield
• Environmental Protection Systems
• Voltage Monitor
• Frequency Monitor
• Temperature Monitor
• Light Protection
6539BS-SPD-27Mar07
• Secure Memory Management/Access Protection (Supervisor Mode)
• Security Certification Targeted: Common Criteria EAL5+, VISA, CAST
Note: This a summary and preliminary document. For more
information, please contact your local Atmel sales office.