MCUs to meet BLE 5.3

MCUs to meet BLE 5.3

The new devices will be part of the Renesas Advanced (RA) Family of 32-bit Arm Cortex-M microcontrollers, joining the RA4W1 Bluetooth 5.0 LE device introduced last year.

Renesas expects to have first samples of the new MCUs in the first quarter of 2022.

The new Bluetooth 5.3 specification was released on July 13, 2021.

It includes important new features, such as allowing receivers to filter out messages without involving the host stack to improve the receiver duty cycle.

It also enables peripheral devices to provide preferred channels to a central device in order to improve throughput and reliability.

In addition, it adds subrated connections that improve switching time between low and high duty cycle connections for applications that occasionally need to switch to burst traffic.

On top of these features the direction-finding functionality introduced in Bluetooth 5.1 as well as the isochronous channels added in Bluetooth 5.2 for stereo audio transmission will be supported in Renesas’ new MCUs.

The inclusion of  SDR capabilities will allow customers to later migrate to new specification releases.

The new products will be supported by the RA family’s Flexible Software Package (FSP) for easy development of applications and the Renesas QE for Bluetooth LE plug-in, a dedicated Bluetooth profile and application development support tool.

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