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RE Family, The World’s Most Energy Efficient MCUs



Renesas' RE Family based on the Silicon on Thin Buried Oxide (SOTB™ ) process technology realises both ultra-low current consumption in both active and standby mode and high speed CPU operation (64MHz) at low voltage (1.62V) , which is impossible to achieve with conventional bulk silicon processes. The RE01 has been certified by EEMBC to have the highest score of 705 for the ULPMark-CP by the EEMBC ULPMark™ benchmark, which has been developed to provide a standard method to compare the energy efficiency of ultra-low power MCUs. In addition, the built-in energy harvesting control circuit enables the equipment to operate from energy harvesting power sources with only weak ambient energy.

The RE Family can significantly extend battery life and deliver high performance even for small batteries and energy harvesting power supplies that can supply only a small amount of current. The RE Family is suitable for many IoT applications such as hybrid watch, smart home/building, healthcare, smart agriculture, structure monitoring, and trackers.

RE0x

RE0 series global top class ultra-low power MCUs have an Arm® Cortex®-M0+ core and are suitable for IoT devices that require low power consumption. They realise 25-35uA/MHz operating current (400-500nA at standby) and low voltage high-speed operation (1.62V, 64MHz), and built-in features include an energy harvesting control circuit, ultra-low power 14-bit ADC (4uA), flash (rewriting at about 0.6mA), security function (Trusted Secure IP), MIP-LCD parallel interface, and 2D-graphics engine.


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