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ST19WR02 Scheda tecnica(PDF) 2 Page - STMicroelectronics |
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ST19WR02 Scheda tecnica(HTML) 2 Page - STMicroelectronics |
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2 / 3 page  ST19WR02 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 a DES accelerator which is ac- cessible via cryptographic software libraries locat- ed in ST ROM. 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 pack environment for all WindowsTM based stations, – Powerful C/C++ compiler and debugger are also available (third party tools). – RF contactless demokit based upon ISO 14443 type B standard. 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 Vcc GUN A & GUN B ST ROM, and DES FIREWALL RAM USER ROM ST ROM, RF and DES LIBRARIES DES ACCELE -RATOR 516 SECU- RITY ADMIN. RESET RF INTER- FACE EEPROM AC0 AC1 |
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