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Smart card microcontrollers add more memory

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Renesas Technology Europe today announced three new high-performance high-security 32bit smart card microcontrollers that offer large capacity EEPROM and mask ROM. The AE56C, AE57C2 and AE58C1 provide excellent cost-performance through a reduction in memory cell size, which is achieved by means of special circuit techniques. They are suitable for use in smart cards such as third-generation mobile phone USIM cards and multi-application cards.

The AE56C, AE57C2 and AE58C1 offer 72, 144 and 288Kbyte, respectively, of Renesas Technology's well-established proprietary MONOS (metal oxide nitride oxide silicon) EEPROM.

This allows the installation of multiple applications and the storage of large volumes of data.

It also enables the user to choose the most suitable EEPROM capacity for a particular application and to implement various kinds of advanced, multifunctional smart cards quickly and efficiently.

In addition, all three products have 480Kbyte of on-chip mask ROM, allowing for increased capacity requirements associated with general-purpose OS version upgrades.

With the same mask ROM capacity, the same general-purpose OS can be installed in all three products.

The microcontrollers use a high-speed high-performance AE-5 CPU core with a 32bit ALU and internal bus width, executing one instruction per cycle at a maximum internal operating frequency of 16MHz.

This provides ample power for the processing of a general-purpose OS such as Java Card.

A DMAC performs high speed DMA transfer of communication data, enabling fast communication while reducing the load on the CPU.

On-chip security features comprise a coprocessor for AES (Advanced Encryption Standard) encryption - a new standard encryption method replacing DES - and a coprocessor for modular exponentiation.

These coprocessors implement high speed encryption processing, enabling a high level of security to be achieved.

All three products are fully compatible with the current AE-5 series and maintain upward instruction compatibility with Renesas Technology's 16bit AE-4 series, enabling existing software resources to be used.

This helps to shorten development times and reduce development costs.

The microcontrollers are available in wafer or COT (chip on tape) form and shipments will begin in April 2006 for the AE56C, May 2006 for the AE57C2, and July 2006 for the AE58C1.

The E6000H full emulator and SE-I simple emulator are available as development tools
 

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