32-bit MCU family brings AI to motor control applications

November 28, 2018 // By Christoph Hammerschmidt
Renesas Electronics Corporation has introduced the microcontroller group (MCU) RX66T. These are the first members of Renesas' 32-bit RX MCU family based on the new third-generation RXv3 CPU core. The new MCUs use the latest CPU core technology to deliver significantly improved performance, up to 2.5 times better than previous MCUs.

By combining the new RXv3 core with the strengths of the current MCUs (RX62T and RX63T), the new RX66T MCUs address the real-time performance and improved stability required by inverter control. The new MCUs are ideal for use in next-generation intelligent industrial applications such as industrial motors, power conditioners and robots, as well as intelligent household appliances, including air conditioners and washing machines.

With the RX66T microcontroller group, Renesas introduces the first members of Renesas' 32-bit RX MCU family based on the new third-generation RXv3 CPU core. The new MCUs are expected to deliver up to 2.5 times the performance of previous RX family MCUs.

By combining the powerful new RXv3 core with the strengths of the current MCUs (RX62T and RX63T), the new RX66T MCUs address the real-time performance and improved stability required by inverter controllers. The new MCUs are ideal for use in next-generation intelligent industrial applications such as industrial motors, power conditioners and robots, as well as intelligent household appliances, including air conditioners and washing machines.

Operating at 160 MHz, the RX66T MCUs achieve a performance of 928 CoreMark for more precise inverter control. The MCUs can control up to four motors simultaneously, making them ideal for conventional motor controls and applications that require multi-axis motor control, such as compact industrial robots. In addition, the additional processing capacity of the RX66T allows developers to add programs that use Embedded Artificial Intelligence; e-AI for motor fault detection. Such programs can detect motor faults and identify fault location in real time based on the motor's current or vibration characteristics. The provision of this feature provides developers with a significant added value in terms of productivity, safety and quality. The RX66T MCUs also integrate a 5V power supply that provides excellent noise tolerance.

As more and more devices - from robots and power conditioners to washing machines and dryers - are connected to the Internet of Things, motorized devices in


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