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Renesas secures M2M wireless comms

Posted: 23 Sep 2008 ?? ?Print Version ?Bookmark and Share

Keywords:MCU? M2M secure? wireless application?

Renesas Technology Corp. introduces the AE470G secure MCU for machine-to-machine (M2M) wireless communication applications. Sample shipments will begin in October 2008 in Japan.

The AE470G is built around the AE-4, a high-performance CPU core with a 16bit computing element and bus width, operating at a maximum internal frequency of 10MHz (at 3V). This ensures software compatibility with earlier AE-4 Series MCUs, which also incorporate the AE-4 CPU core, says Renesas.

It has a large 144Kbytes of on-chip EEPROM, which is sufficient to store multiple application programs or large amounts of data. Write/erase times are very fast: 2.4ms for page-unit rewrites, 1.3ms for page-unit erases, and 1.1ms for page-unit overwrites.

According to Renesas, the ample ROM capacity of 288Kbytes can accommodate a general-use OS supporting complex processing. Also, application programs or data that does not need to be rewritten can be stored in mask ROM beforehand in order to make full use of the EEPROM. Additional peripheral and security functions include an I/O port, a half-duplex UART that complies with ISO/IEC7816-3, a random number generator, a coprocessor with DES encryption support, and an interval timer. These capabilities make the AE470G an excellent choice for implementing a high-security system with M2M support.

The E6000 full emulator is available as a development tool.

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