Low cost target boards support Renesas RX 32-bit microcontroller family

Three Target Boards for the Renesas Electronics RX65N, RX130 and RX231 microcontroller (MCU) groups have been announced. Each is designed to help engineers jump start home appliance, building and industrial automation designs.

The RX Target Boards provide an inexpensive entry point for embedded designers to evaluate, prototype and develop their products, says Renesas. Each board kit features an on-chip debugger tool that enables application design without requiring further tool investments. Through-hole pin headers provide access to all MCU signals pins, allowing connection to standard breadboards for fast prototyping.

Each member of the Renesas RX MCU family has a common pin assignment, so customers can smoothly transition between different RX groups and RX series using the same package version. In the case of the RX Target Boards, the widely used 100-pin LQFP package is on board.

The RX Target Boards include a board circuit diagram and bill of materials, demo source code, user manual, and application notes to start board and demo development.

Renesas has announced that it will add Target Board variations that will provide full coverage of the entire RX Family, from the low-power RX100 series to the high-performance RX700 series.

The RX65N MCU group combines an enhanced RX CPU core architecture and 120MHz operation to achieve processing performance of 4.34 CoreMark/MHz. The MCUs include an integrated Trusted Secure IP, enhanced, trusted flash functionality, and a human-machine interface (HMI) for industrial and network control systems operating at the edge of the industrial IoT. The RX65N MCUs also include an embedded TFT controller and integrated 2D graphic accelerator with advanced features, making them suitable for TFT displays designed into IIoT edge devices or system control applications. In addition, the RX65N MCUs include embedded communication-processing peripherals such as Ethernet, USB, CAN, SD host/slave interface, and quad SPI.

The RX130 MCU group provides 32MHz operation with flash memory sizes up to 512kbyte, and package sizes up to 100-pins to provide higher performance and compatibility with the RX231/RX230 group of touch MCUs. The low power, low cost RX130 group adds higher responsiveness and functionality for touch-based applications requiring 3.0 or 5.0V system control and low power consumption, says Renesas. The 32-bit MCUs feature a new capacitive touch IP with improved sensitivity and robustness, and a device evaluation environment. Target applications are non-traditional touch materials, or any that operate in wet or dirty environments, such as a kitchen, bath, or factory floor.

The RX231 MCU group operates at 54MHz and combines a 32-bit RXv2 CPU core with improved DSP/FPU and low power consumption. High-performance digital filtering, floating-point operations, and other processing can be performed even in environments with low-current supply capacity, says Renesas. The RX231 group includes communication security and encryption functions, and is equipped with capacitive touch sensor capabilities, as well as SD host interface, USB, and CAN communication functionality.


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