Secure
Microcontroller
for Smart Cards
AT05SC3208R
Summary
Rev. 1554AS–11/01
Features
General
• Industry-standard M68HC05 Instruction Set, Including: 8 x 8 Bits Unsigned Multiply
Instruction, True Bit Manipulation, Memory-mapped I/O
Operating Voltage: 3.0V ± 10% or 5.0V ± 10%
Meets GSM 11.11 & 11.12 Specifications and EMV 2000 Specification
5.0 MHz Maximum Internal Bus Frequency at 3.0V and 5.0V
ESD Protection to ± 4000V
Bond Pad Layout Conforming to ISO Standard ISO/IEC 7816-2
External Maskable Interrupt on ISO Standard I/O Port (PA0)
Power-saving Wait and Very Low-power Stop Modes
Power-up Detection
Available as Sawn Wafers, or in Industry-standard Packages and Modules
EEPROM
8192 Bytes of EEPROM, Including 16 Control Bytes and 48 OTP Bytes
1- to 64-byte Write/Program/Erase
2 ms Program Time, 2 ms Erase Time
10 Years Data Retention
Typically More than 1,000,000 Write/erase Cycles
On-chip Charge Pump for EEPROM Programming, Driven by an Internal Oscillator
ROM and RAM
32768 Bytes of ROM, Including 16 Bytes Reserved for Vectors
1024 Bytes of RAM with Security Wipe on Selected Areas
Peripherals
Single Bidirectional I/O Line (1-bit ISO/IEC 7816-3 Standard I/O Port)
Time Base Circuitry (with Preset and Maskable Interrupt Capabilities)
Watchdog Capability (Under Software Control)
Hardware DES Module (Capable of Single Encryption or Decryption in 16 Clock Cycles)
CRC Module (Allowing Generation of Checksums (ISO/IEC 3309)
Random Number Generator (RNG)
Serial Communications Interface (SCI)
– Compliant with ISO/IEC 7816
– Compliant with T = 0 and T = 1 Protocols
16-bit Timer with Prescaler and Autoload
Security
Dedicated Hardware to Resist Power Analysis Attacks
Low and High Voltage Monitors with Narrow Voltage Window Mode
Low and High Temperature Monitors
Low Frequency Monitor
High Frequency Filter/Monitor
Advanced Physical Barrier to Enhance Tamper Resistance
Illegal Access Reset
Illegal Opcode Reset
Memory Partitioning with Address Lockout Reset
Scrambling Logic
Tamper Monitor
Physical Removal of Test Mode when Testing is Complete
1
Note: This is a summary document. A complete document is
available under NDA. For more information, please contact your
local Atmel sales office.