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MCUs for cost-sensitive industrial and consumer applications

Renesas has unveiled its RX230 Group of 32-bit microcontrollers (MCUs), which is claimed to offer a combination of high performance with digital signal processing (DSP) and floating point unit (FPU) with low power consumption.

Featuring a 1.8 to 5.5V supply, the RX230 Group is suited for applications that require high processing performance in environments with low current supply capacity as well as the robustness needed in home appliance applications.

Compared to the existing RX231 Group, the RX230 features advances with regard to embedded flash size and feature. This covers the requirements of cost-sensitive industrial and consumer applications that don’t require USB or CAN interfaces in their application design and require 256kBytes Flash or less for their code, at a maximum of 32kBytes embedded RAM.

The RX230 Group can handle high processing loads, such as eliminating noise from digital signals and performing floating-point calculations, by using Renesas’ 32-bit RXv2 CPU core with DSP/FPU operation capabilities. The RXv2 CPU core is said to achieve a performance benchmark score of 4.16CoreMark/MHz with an operating speed of 54MHz. In addition, the RX230 consumes 0.8µA in standby mode, which enables system manufacturers to extend system operation on battery power.

Tom Austin-Morgan

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