ST22N144

www.DataSheet4U.com ST22N144 Smartcard 32-Bit RISC MCU with 144 Kbytes EEPROM Javacard™ HW Execution & Cryptographic Library DATA BRIEF PRODUCT FEATURES I I I I I ADVANCED MEMORY PROTECTION – – – Memory Protection Unit for application firewalling and peripheral access control Domain switching securely controlled by protected Context Stack Native/Java, Code/Data memory attributes with 128-byte granularity Java stack with both 16 and 32-bit accesses User and Supervisor mode stacks Security Context Stack 32-BIT RISC CPU WITH 24-BIT LINEAR MEMORY ADDRESSING 368 KBYTES USER ROM 12 KBYTES USER RAM 144 KBYTES USER EEPROM DUAL INSTRUCTION SET, JAVACARD ™ AND NATIVE 4-STAGE PIPELINE 16 GENERAL PURPOSE 32-BIT REGISTERS, AND SPECIAL REGISTERS 4 MASKABLE INTERRUPT LEVELS SUPERVISOR AND USER MODES CPU SECURITY INSTRUCTIONS – – Dedicated instructions for DES and Triple DES implementation Dedicated instructions (Multiply and Accumulate) for efficient implementation of modular arithmetic and elliptic curves based cryptosystems CRC instruction (ISO 3309 16-bit Checksum) I 32-BIT RISC CPU I I I I I FOUR WORKING STACKS – – – Figure 1. Delivery Form 4 4 SECURITY I 4 Micromodule 4 Wafer – I I I I RANDOM NUMBER GENERATOR EEPROM FLASH PROGRAMMING MODE CLOCK AND POWER MANAGEMENT VOLTAGE AND CLOCK FREQUENCY SENSORS October 2004 For further information contact your local ST sales office. 1/7 7 www.DataSheet4U.com ST22N144 CRYPTOGRAPHIC LIBRARY The Crypto Library is provided as a se...