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Smart card processors promise high security in cellphones

Posted: 04 Nov 2008 ?? ?Print Version ?Bookmark and Share

Keywords:smart card processor? SIM card? mobile phone? security feature?

ST32, ST33

STMicroelectronics has launched two new product families for cellphone SIM cards that allow mobile network operators to enhance differentiation and expand revenue growth by delivering richer services to subscribers.

The ST32 and ST33 smart card processor families use class ARM Cortex-M3 32bit processor architecture and its SC300 secure version, combined with large embedded-flash memory capacities. All the new devices use ST's 90nm embedded flash technology, delivering the combined benefits of increased capabilities, lower power, competitive price and smaller chip dimensions.

The ST32 family uses the 32bit ARM Cortex-M3 processor and contains two devices offering a choice of memory sizes. The ST32F416 and ST32F512 offer 416- and 512Kbyte of embedded flash, respectively, and address the 128K and 256K 2G and 3G markets. Additional ST32 devices will be introduced with lower memory densities in the future.

The ST33 family targets the high-end SIM market, which requires the highest level of security. This family is based on the SC300 highly secure version of the ARM Cortex-M3 32bit core. The ST33F1M, the first product in this range, features 1.2Mbyte embedded flash with 30Kbyte RAM, an SWP (Single-Wire Protocol) interface for NFC connectivity and an advanced cryptographic coprocessor (Nescrypt). With its intrinsic security level and wide availability of interfaces, the ST33F1M targets SIM markets such as mobile banking and mobile TV. In addition, the large embedded-flash memory size available will allow telecom operators to enrich the multimedia content of their SIM cards.

All of the new devices meet industry standards for SIM card interfaces and communication, including ISO7816-3. In addition, ST33F1M also targets the highest security levels, such as CC-EAL5+ and EMVCo certifications. The devices also support standard power-management features laid down for cellular handsets, and achieve current consumption defined by GSM and ETSI standards.

"The new ST32 and ST33 product families complement ST's existing ST21 family, which is already successfully deployed in volume using both embedded flash and EEPROM technology," said Laurent Degauque, telecom and NFC marketing manager, ST's smartcard division. "The combination of these three comprehensive product families position ST as a major global supplier for SIM applications, from the volume-driven market to highly secure and innovative high-end solutions."

The ST32F416 and ST32F512 are sampling now, with production availability scheduled for early 2009. The ST33F1M will begin sampling in February 2009, with volume ramp-up expected in mid 2009.





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