DSP, Micros & Memory


MCUs double performance while maintaining compatibility

19 September 2007 DSP, Micros & Memory

Renesas recently announced the release of its R32C/118 group of microcontrollers with on-chip Flash memory, as part of the R32C/100 series.

This new microcontroller group currently consists of two models, and is suitable for a wide range of applications, including industrial equipment and consumer electronics such as audio components.

The R32C/100 series is the top-level product set in the M16C Platform. They are complex instruction set computer (CISC) microcontrollers that have a strong track record in automotive, industrial and consumer equipment fields. The R32C/118 group is the successor to the M32C/80 series in the M16C Platform and provides pin and peripheral function compatibility. Enhancements include double processing performance, an increase in maximum operating frequency from 32 MHz to 48 MHz and a wider operating voltage range of 3,0 to 5,5 V, as opposed to the previous 4,2 to 5,5 V range.

The group incorporates the R32C/100 CISC CPU core, which is the most powerful CPU core in the M16C Platform and is upward compatible with the existing CPU cores in the set. Upward compatibility with the family's existing microcontrollers means that existing software can be used, so that improved system performance can be achieved simply by upgrading the microcontroller.

The R32C/118 group incorporates a CAN (controller area network) module, providing support for a networking standard that is widely used in the in-car equipment field and industrial fields such as factory automation. It also increases the number of serial interface channels to nine from the seven of the existing M32C/80 series. A variety of on-chip peripheral functions also includes a watchdog timer, DMA controller, advanced-functionality timers, A/D converter, D/A converter and an Intelligent I/O unit providing input capture/output compare function.



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