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 246 KBYTES USER ROM 8 KBYTES USER RAM 32 (L032), 64 (L064), 96 (L096) or 128 (L128) KBYTES USER EEPROM I 32-BIT RISC CPU I I I I I FOUR WORKING STACKS – – – 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) Figure 1.
STMicroelectronics
