Telecoms, Datacoms, Wireless, IoT


BLE module for system control and wireless communication

28 July 2021 Telecoms, Datacoms, Wireless, IoT

The RX23W Bluetooth 5.0 Low Energy (BLE) module from Renesas Electronics is certified according to the telecommunications laws in multiple countries and is Bluetooth SIG (Special Interest Group) certified. This module is equipped with an antenna, oscillator and custom-matched circuit, enabling users to complete RF development by simply laying the module onto a PCB, greatly shortening development time.

The very small 6,1 x 9,5 mm 83-pin LGA package makes it possible to design more compact devices with fewer external components, reducing the bill of material (BOM) cost and improving the development efficiency of IoT endpoint devices such as home appliances, healthcare and sports and fitness equipment.

The RX23W MCU (microcontroller) incorporated in the new module supports full Bluetooth 5.0 Low Energy communication including long-range and 2 Mbps data throughput, in addition to reception sensitivity of -105 dBm at 125 Kbps. Built around Renesas’ RXv2 CPU core, the RX23W MCU provides advanced computing performance, operating at a maximum clock frequency of 54 MHz, together with high power efficiency.

The RX23W also incorporates Renesas’ exclusive security function, Trusted Secure IP (TSIP), that provides robust protection against threats to IoT devices, such as eavesdropping, tampering and viruses. This is in addition to a rich set of peripheral functions that are indispensable to IoT devices, including touch key, USB and CAN functions.

The module utilises the same software development environment used for RX MCUs, which means developers can work on both system and communication control at the same time. The Smart Configurator enables developers to employ a GUI to generate driver code for peripheral functions and Bluetooth, as well as configuring pin settings.

‘QE for BLE’ enables developers to generate programs for custom Bluetooth profiles. The Bluetooth Test Tool Suite provides a GUI that allows developers to perform initial wireless characteristics evaluations and Bluetooth functionality verification. These tools are well suited to the various phases of development, providing support for developers from the initial stages through applied product development.

The RX23W module can be combined with Renesas’ complementary analogue and power offerings to create comprehensive solutions for a variety of applications. These ‘winning combinations’ showcase the unique capabilities of the RX23W module and the breadth and depth of Renesas’ product line up. Applications include a reference design for a medical patch that can monitor body temperature, oxygen saturation (SpO2) and heart rate over a Bluetooth connection using the RX23W and a 48 V mobility solution that can save mobility battery status and route history via a smartphone connection.

For more information contact Callie Lombard, Hi-Q Electronics, +27 11 894 8083 callie@hi-q.co.za, www.hi-q.co.za


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