ST22N256 Datasheet (ST Microelectronics) - Smartcard 32-Bit RISC MCU

ST22N256, Smartcard 32-Bit RISC MCU

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.

Direct JavaCard™ byte code execution provides high performance advantage over processo

ST22N256 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 SUPER