FEATURES
ENHANCED 8 BIT CPU WITH EXTENDED ADDRESSING MODES I 112 KBYTES USER ROM WITH PARTITIONING I 4 KBYTES USER RAM WITH PARTITIONING I 8 KBYTES USER EEPROM WITH PARTITIONING plus 128 BYTES USER and ST OTP AREA: – Highly reliable CMOS EEPROM submicron technology – Error Correction Code for single bit fail correction within a byte – 10 year data retention – 500,000 Erase/Write cycles endurance – 1 to 32 bytes Erase or Program in 1 ms I SECURITY FIREWALLS FOR MEMORIES, MODULAR ARITHMETIC PROCESSOR and ENHANCED DES ACCELERATOR. I VERY HIGH SECURITY FEATURES
INCLUDING EEPROM FLASH PROGRAMMING AND CLOCK MANAGEMENT. I 2x8 BIT TIMERS WITH INTERRUPT CAPABILITY I HARDWARE SECURITY ENHANCED DES ACCELERATOR WITH LIBRARY SUPPORT FOR SYMMETRICAL ALGORITHMS: – DES, triple DES computations and CBC chaining mode... I 1088 Bit MODULAR ARITHMETIC PROCESSOR WITH LIBRARY SUPPORT FOR ASYMMETRICAL ALGORITHMS – Fast modular multiplication and squaring using Montgomery method – Software Crypto libraries in separate ST ROM area for efficient algorithm coding using a set of advanced functions – Software selectable operand length up to 2176 bits.
STMicroelectronics
