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ST19WK08-A Datenblatt(PDF) 2 Page - STMicroelectronics |
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ST19WK08-A Datenblatt(HTML) 2 Page - STMicroelectronics |
2 / 3 page ST19WK08-A 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 op- tions. 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 enhanced DES accelerator are designed to speed up cryptographic calculations using Public Key Al- gorithms and Secret Key Algorithms. As with all the other ST19W products, a serial in- terface fully compatible with the ISO7816 standard for Smartcard applications is available. 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 environment for WindowsTM NT, 2000, XP based stations, – Powerful C/C++ compiler and debugger are also available (third party tools). INTERNAL BUS MEMORY ACCESS FIREWALL I/O 1 X SERIAL INTER- FACE GND 8 BIT CPU 2 X 8 BIT TIMERS CRC MODULE CLK CLOCK GENE- RATOR MODULE ST ROM, MAP, and EDES FIREWALL RAM USER ROM ST ROM, MAP and EDES LIBRARY EDES ACCELE -RATOR 522 Vcc GUN A & GUN B SECU- RITY ADMIN. RESET EEPROM MAP 1088 bits IART |
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Ähnliche Beschreibung - ST19WK08-A |
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