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SLE66CL80P Datasheet(PDF) 9 Page - Infineon Technologies AG |
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SLE66CL80P Datasheet(HTML) 9 Page - Infineon Technologies AG |
9 / 10 page µµ SLE 66CL80P Short Product Information 9 / 10 2004-04-01 The UART supports the half-duplex transmission protocols T=0 and T=1 according to ISO/IEC 7816-3. All relevant transmission parameters can be adjusted by software, as e.g. the clock division factor, direct/inverse convention and the number of stop bits. Additionally, the I/O port can be driven by communication routines realized in software. To minimize the overall power consumption, the smart card controller can be set into sleep mode supporting clock stop mode. Timers ease the implementation of advanced communication protocols such as T=1 and T=CL (according to ISO/IEC 14443-4) and all other time critical processes for contact-based and contactless communications. Both Timers features auto-reload mechanisms as well as their own dedicated interrupt vectors. Additional interrupts capability of the I/O, UART and RF interface modules allows parallel operation of the dual interface smart card and the contact/contactless terminals. SLE 66CL80P is able to communicate with any Proximity Card Device (PCD) defined in ISO/IEC 14443 such as the Infineon Evaluation Kit Proximity over a typical coupling distance of 10 cm. The power supply and data are received by an antenna, which consists of a coil with a few turns directly connected to the IC. DES acceleration by a factor of more than 500 compared to software solutions in combination with the high data transfer rate up to 848Kbit/s keep the transaction times short. For more independence and flexibility, the controller offers the two modulation type A and type B according ISO/IEC 14443. The Anticollision and Contactless Transmission Protocol are supported by open source application notes for both Type A and B in order to offer a maximum flexibility to the Operating System. Both Contactless Communication protocol may be implemented in the Operating System while the final selection of the Type A or B is based upon the personalisation data of the contactless smart card. The communication type can also be changed during runtime in the field. Thus, SLE 66CL80P ensures a simplified handling of the ROM mask, high reactivity by a tailored personalisation during production of the contactless smart card in order to answer to the increasing market demand and applications. SLE 66CL80P features a new Resource Management System (RMS_E) which optimizes Contactless EEPROM write/erase routines. EEPROM programming is enhanced over the entire communication distance compared to the standard RMS. Thus, the reduction of programming times and power consumption is ensured independently of the use of the contact or the contactless interface. The CRC module allows the easy generation of checksums according to ISO/IEC 3309 (16-Bit- CRC), thus it supports the two different CRC calculation required for ISO/IEC 14443 Type A and Type B. Also, data as well as program located in the EEPROM can be extra-secured by a CRC checksum enabling the Operating System to detect errors while downloading new application in the field. To minimize the overall power consumption, the pure contactless smart card controller can be set into sleep mode. The certified random number generator (RNG) is able to supply the CPU with true random numbers on all conditions. It allows creating session key used for authentication in open networks and enable secure downloading of new applications. |
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