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ST16HF52 Folha de dados(PDF) 2 Page - STMicroelectronics |
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ST16HF52 Folha de dados(HTML) 2 Page - STMicroelectronics |
2 / 2 page 2/2 ST16HF52 All names are the property of their respective owners. DESCRIPTION The ST16HF52, a member of the standard ST16 device family, is a serial access microcontroller es- pecially designed for large volume contactless/ contact Smartcard applications. The ST16HF52 is based on 8 bit CPU core and in- cludes on chip memories: 512 Bytes of RAM, 22 KBytes of USER ROM, SYSTEM ROM, and 2048 Bytes of EEPROM. Both ROM and EEPROM memories can be config- ured into two sectors. Access rules from any mem- ory section or sector to any other are set-up by the User’s defined Memory Access Control Matrix (MACM). The HyperProximity TM switch enables an insured connection between the card and an adequate reader, as with contact cards. High risk transac- tional based applications resident on the Smart card can use the switch to require that the Smart card be in a HyperProximity TM mode for the appli- cation to complete execution. Reliability data related to the ST16HF52 product, manufactured using STMicroelectronics’ ad- vanced CMOS EEPROM technology, confirm data retention of up to 10 years and endurance up to 300,000 Erase/Write cycles. Contact operation is fully compatible with the ISO standards for Smartcard applications. Figure 1 Block Diagram SCP 076c/DS MEMORY ACCESS CONTROL MATRIX 8 BIT CPU SERIAL I/0 INTERFACE NUMBER GENERATOR INTERNAL BUS RAM SECT. A SECT. B SECTOR A SECTOR B SECTORS COMBIN. ROM V GENERATION EEPROM SECTORS COMBINATIVE RST GND V I/O1 CLK SYSTEM ROM SECT. S SECURITY LOGIC AC0 AC1 RF INTERFACE CC CC 512 bytes 22 Bytes |
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