
6520-SMIC–18Jul05
Features
General
High-performance, Low-power secureAVR Core Enhanced RISC Architecture
– 135 Powerful Instructions (Most Executed in a Single Clock Cycle)
With an ISO14443 Contactless only interface
Power-saving Wait and Very Low Power Stop Modes
Power-up Detection
Available in Wafers, Contactless Modules or Inlays and Industry-standard Packages
Compliant with Master Card
PayPass
/ VISA Specifications
Contactless Mode
Contactless Interface Controller (CIC) with Full Support for ISO/IEC 14443 Type A and
B Protocol
Supply Voltage Clamp and Regulation
Full-bridge Power Rectification
On-chip Tuning Capacitance: 20pF up to 120pF
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
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, 212 Kbps and 424 Kbps
RF Frame: Up to 256 bytes
Memory
64K Bytes of ROM Program Memory
04K Bytes of EEPROM, Including 64 OTP Bytes and 192 Bit-addressable Bytes
– 1 to 64-byte Program/Erase, 2 ms Program, 2 ms Erase
– Endurance: 500,000 Write/Erase Cycles at 25°C, 10 Years Data Retention
1K Bytes of RAM + 256 Bytes of DMA dedicated RAM
Peripherals
Programmable Internal Oscillator (Up to 20 MHz for internal CPU Clock)
Two 16-bit Timers
Random Number Generator (RNG)
2-level, 8-vector Interrupt Controller
Hardware DES and Triple DES DPA/DEMA Resistant
Checksum Accelerator
CRC 16 & 32 Engine (Compliant with ISO/IEC 3309)
DMA Controller (Used to Speed-Up Data Transfers when Communicating via the
Contactless Interface)
Security
Dedicated Hardware for Protection Against SPA/DPA/DEMA Attacks
Advanced Protection Against Physical Attack, Including Active Shield
Environmental Protection Systems, Temperature Monitor, Light Protection
Secure Memory Management/Access Protection (Supervisor Mode)
Security Certification Targeted: Common Criteria EAL4+
Secure
Microcontroller
for Smart Cards
AT90SC
6404RFT
Summary
Note: This is a summary document. A complete document will be
available under NDA. For more information, please contact your
local Atmel sales office.