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ST22N256 - Smartcard 32-Bit RISC MCU

General Description

The ST22N256 is a member of the SmartJ™ platform using a 32-bit Reduced Instruction Set Computer (RISC) core to execute both Native RISC instructions and JavaCard™ 2.x Technology instruction (byte codes) directly.

Key Features

  • 32-BIT RISC CPU WITH 24-BIT LINEAR MEMORY.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ST22N256 Smartcard 32-Bit RISC MCU with 256 Kbytes EEPROM Javacard™ HW Execution & Cryptographic Library DATA BRIEF PRODUCT FEATURES 32-BIT RISC CPU WITH 24-BIT LINEAR MEMORY ADDRESSING I 368 KBYTES USER ROM I 16 KBYTES USER RAM I 256K KBYTES USER EEPROM 32-BIT RISC CPU I DUAL INSTRUCTION SET, JAVACARD™ AND NATIVE I 4-STAGE PIPELINE I 16 GENERAL PURPOSE 32-BIT REGISTERS, AND SPECIAL REGISTERS I 4 MASKABLE INTERRUPT LEVELS I SUPERVISOR AND USER MODES SECURITY I CPU SECURITY INSTRUCTIONS – DES and 3DES instructions – Fast Multiply and Accumulate instructions for Public Key and Elliptic Curve Cryptography – CRC instruction I RANDOM NUMBER GENERATOR I EEPROM FLASH PROGRAMMING MODE I CLOCK AND POWER MANAGEMENT I VOLTAGE AND CLOCK FREQUENCY SENSORS I ADVANCED MEMORY PROTECTION – Memory Protecti