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Nye serie af embedded controllere til energy harvesting baserede systemerThe new RE01 Group Evaluation Kit allows users working with the RE01 Group of devices to jump start system evaluations for energy harvesting applications.

Nye serie af embedded controllere til energy harvesting baserede systemer

Renesas lancerer nu RE-serien af embedded controllere baseret på den revolutionerende SOTB procesteknologi, der takket være det ekstreme lave aktive og standby effektforbrug er ideel til energy harvesting baserede applikationer (in english).

Renesas Electronics has introduced its RE Family, which encompasses the company's current and future lineup of energy harvesting embedded controllers. The RE Family is based on Renesas' proprietary SOTB (Silicon on Thin Buried Oxide) process technology, which dramatically reduces power consumption in both the active and standby states, eliminating the need for battery replacement or recharging.

Following the mass production of the RE01 Group (formerly known as the R7F0E embedded controllers), the first of the RE Family, the new RE01 Group Evaluation Kit has been launched, which allows users working with the RE01 Group of devices to jump start system evaluations for energy harvesting applications.


- Energy harvesting eliminates the labor and costs associated with battery maintenance and is a key solution contributing to environmental conservation, says Hiroto Nitta, Senior Vice President, Head of SoC Business, IoT and Infrastructure Business Unit at Renesas.

- I am extremely pleased that Renesas' technology innovation with SOTB has enabled these alternative energy solutions, and with the new RE01 Evaluation Kit, Renesas will be making it possible for engineers around the world to quickly start the evaluation. We hope this will accelerate the spread of IoT equipment powered by energy harvesting. 

The new RE01 Evaluation Kit includes an evaluation board which features an RE01 embedded controller, an interface for the energy harvesting device and a rechargeable battery interface. The Kit also includes an Arduino - compatible interface for easy expansion and evaluation of sensor boards and a Pmod connector to expand and evaluate wireless functionality.

In addition, there is an ultra-low power MIP LCD expansion board so that users can evaluate display functions faster. The Kit also contains sample code and application notes that serve as references for power management design that eliminates the need for battery maintenance, and driver software that supports CMSIS, Arm's Cortex Microcontroller Software Interface Standard.

Sample code for ultra-low power A/D converters, digital filter and FFT (fast Fourier transform) routines, 2D graphics MIP LCD displays, and secure boot and secure firmware update functions for improved security are available. With these features, this kit makes it possible to adopt energy harvesting based on RE01 Group devices at the system level and will accelerate the development of equipment that does not require battery maintenance.

IAR Embedded Workbench for Arm which can use the high efficiency IAR C/C++ compiler, and e 2 studio which can use the free GNU compiler are available as the developmental environment.

Unique and revolutionary SOTB process technology

Renesas' energy harvesting devices feature the company's unique and revolutionary SOTB process technology, which allows users to simultaneously achieve low active current and low standby current and high-speed operation at low voltage. The RE01's 32-bit CPU core enables users to implement intelligent functions in equipment powered by low levels of harvested energy through ambient energy such as light, vibration, or fluid flow.

The RE01 Group of embedded controllers is based on the Arm Cortex-M0+ core, which can operate at clock frequencies up to 64 MHz, and provide up to 1.5 MB of low-power flash memory and 256 KB of SRAM. The RE01 can operate at voltages as low as 1.62 V and the lineup includes three package versions: a 156-pin WLBGA package, a 144-pin LQFP package, and a 100-pin LQFP package. The RE01 also includes an energy harvesting control circuit, an ultra-low power 14-bit A/D converter, and a low power circuit that can rotate, enlarge, or invert graphics data.

These embedded controllers make it possible for applications to perform highly accurate sensing and data judgement by excluding noise from signal data when they are used as biological monitors or outdoor environmental sensing applications.

By eliminating the need for battery maintenance in a wide range of applications, these embedded controllers will contribute to the increasingly widespread use of IoT equipment, such as wearable equipment without the inconvenience of recharging batteries, and sensing applications for homes, buildings, factories and farms, where manual changing or recharging of batteries is difficult.

Renesas will continue expanding the RE Family beyond 2020 with new members including small memory size s featuring up to 256 KB of flash memory.

Energy harvesting systems are an essential step toward the goal of a smart and environmentally conscious society. With SOTB technology as the core, Renesas will continue to develop innovative technologies and solutions that enable the growth of these systems.

https://www.renesas.com/products/software-tools/boards-and-kits/eval-kits/evaluation-kit-re01-1500kb.html
6/11 2019
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