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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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ST19WI18 Fiches technique(PDF) 2 Page - STMicroelectronics |
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ST19WI18 Fiches technique(HTML) 2 Page - STMicroelectronics |
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2 / 3 page  ST19WI18 2/3 HARDWARE DESCRIPTION The product, member of the ST19W platform, is a serial access microcontroller specially designed for cost effective secure portable applications. It is manufactured using an advanced highly reli- able ST CMOS EEPROM technology. It is based on the STMicroelectronics 8 bit CPU al- ready implemented on the ST19X product family and includes on-chip memories: User ROM, User RAM and EEPROM with state of the art security features. ROM, RAM and EEPROM memories can be configured into partitions with customized ac- cess rules. An additional ST ROM contains all ST provided functions and libraries. Access from any memory area to another are pro- tected by hardware FIREWALLS. Access rules are User defined and can be selected by mask options or during the life of the product. The chip includes an Enhanced DES accelerator which is accessible via cryptographic software li- braries located in ST ROM. The chip includes also a MAP which is based on a 1088 bits processor architecture. It processes modular multiplication, squaring and additional calculations up to 2176 bit operands. Internal Modular Arithmetic Processor (MAP) and DES accelerator are designed to speed up crypto- graphic calculations using Public Key Algorithms and Secret Key Algorithms. As with all the other ST19W products, serial inter- faces fully compatible with the ISO7816 standard for Smartcard applications are available. This product includes one other interface: I2C (Fully compatible with Phillips I2C spec rev 2.1) A CRC calculation block is also available and is di- rectly accessible by the User. Figure 2. Block Diagram SOFTWARE DEVELOPMENT Software development and firmware generation (ROM and options) are supported by a compre- hensive set of development tools, dedicated at de- velopment and validation of softwares: – Smartcard ICs Emulator, – ST19X simulation package, – ScDevTools pack environment for all WindowsTM based stations, – Powerful C/C++ compiler and debugger are also available (third party tools). INTERNAL BUS MEMORY ACCESS FIREWALL GND 8 BIT CPU 3 X 8 BIT TIMERS CRC MODULE CLK CLOCK GENE- RATOR MODULE ST ROM, MAP and DES FIREWALL RAM USER ROM ST ROM and CRYPTO LIBRARY EDES ACCELE- RATOR MAP 502 Vcc GUN A & GUN B SECU- RITY ADMIN. RESET EEPROM I/O0 2 SERIAL I/O INTER- FACES I/O1 SDA I2C INTER- FACE SCL IART |
Numéro de pièce similaire - ST19WI18 |
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Description similaire - ST19WI18 |
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