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Power Electronics Europe News
 
Addition to the RL78 family excels in performance stakes, says Renesas
The latest addition to Renesas Electronics’ RL78 MCU family of eight- and 16-bit devices is the RL78/G24. It has the highest performance among all the devices in the RL78 family, says the company, enhanced by an application-specific flexible application accelerator (FAA) and a fast CPU that can achieve an operating frequency of 48MHz. Peripheral functions include analogue and timer capabilities, making the MCU suitable for motor control, power supply control and lighting control. Using the FAA enables the device to distribute tasks such as inverter control, encryption, sensing, and arithmetic operations independently of the CPU to “substantially” boost processing speed and shorten development time, says Renesas.

Developers can use MathWorks’ model-based design to improve system performance and identify issues before implementing on the MCU, observes Brian McKay, Global Strategic Partner Manager, MathWorks. “Mutual customers can use RL78 virtual models in Simulink to gain a variety of capabilities, including generating production-quality code, processor-in-the-loop testing, and maintaining a digital thread,” he adds.

The RL78/G24 also has a 12-bit ADC capable of simultaneous sampling three channels with a maximum conversion speed of 1µs. It also has a high speed comparator with a latency of 50ns (typical). It is also equipped with DALI-2 function for the lighting communication standard. Operating temperature is up to 125°C.

A standby function reduces power consumption, with the choice of Halt mode, which cuts power consumption by 60% compared to normal operation mode, and Stop mode, which reduces power consumption by 99% compared to Halt mode. These power-saving modes allow the device to use less power overall. 

 The MCU is supplied in a compact, 3.0 x 3.0mm package.  

The Smart Configurator can be used to generate driver code for peripheral functions via a graphical user interface (GUI), similar to other RL78 devices. There is also a fast prototyping board, which comes with Arduino Uno and Pmod Type 6A interfaces and Grove connectors for access to all pins. The device can be debugged and programmed using only a USB cable. Evaluation kits for motor applications and power/lighting applications are also available.

 

 



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