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DATA BRIEF

September 2004

For further information contact your local ST sales office.

ST22L032, ST22L064

ST22L096, ST22L128

Smartcard 32-Bit RISC MCU with 32, 64, 96, 128 Kbytes

EEPROM, Javacard™ HW Execution & Cryptographic Library

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PRODUCT FEATURES

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32-BIT RISC CPU WITH 24-BIT LINEAR

MEMORY ADDRESSING

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246 KBYTES USER ROM

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8 KBYTES USER RAM

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32 (L032), 64 (L064), 96 (L096) or 128 (L128)

KBYTES USER EEPROM

32-BIT RISC CPU

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DUAL INSTRUCTION SET, JAVACARD™

AND NATIVE

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4-STAGE PIPELINE

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16 GENERAL PURPOSE 32-BIT

REGISTERS, AND SPECIAL REGISTERS

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4 MASKABLE INTERRUPT LEVELS

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SUPERVISOR AND USER MODES

SECURITY

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CPU SECURITY INSTRUCTIONS

–

Dedicated instructions for DES and Triple

DES implementation

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Dedicated instructions (Multiply and

Accumulate) for efficient implementation

of modular arithmetic and elliptic curves

based cryptosystems

–

CRC instruction (ISO 3309 16-bit

Checksum)

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RANDOM NUMBER GENERATOR

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EEPROM FLASH PROGRAMMING MODE

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CLOCK AND POWER MANAGEMENT

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VOLTAGE AND CLOCK FREQUENCY

SENSORS

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ADVANCED MEMORY PROTECTION

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Memory Protection Unit for application

firewalling and peripheral access control

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Domain switching securely controlled by

protected Context Stack

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Native/Java, Code/Data memory

attributes with 128-byte granularity

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FOUR WORKING STACKS

–

Java stack with both 16 and 32-bit

accesses

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User and Supervisor mode stacks

–

Security Context Stack

Figure 1. Delivery Form

Micromodule

Wafer