SoftDevice Controller

The SoftDevice Controller is an RTOS-agnostic library built for the Nordic Semiconductor nRF52 and nRF53 Series. It supports Bluetooth 5. The library utilizes services provided by the Multiprotocol Service Layer.

The SoftDevice Controller is distributed in different variants containing different features. Variants for the Arm Cortex-M4 processor are available as soft-float, softfp-float, and hard-float. Variants for the Arm Cortex-M33 processor are available as soft-float only.

Bluetooth LE feature support:

Peripheral-only

Central-only

Multirole

2 Mbps PHY

X

X

X

Advertiser

X

X

Slave

X

X

Scanner

X

X

Master

X

X

Data Length Extensions

X

X

X

Advertising Extensions

X

Periodic Advertising

X

Coded PHY (Long Range)

X

Note

Periodic Advertising is supported as an experimental feature on the nRF53 Series.

Proprietary feature support:

Peripheral-only

Central-only

Multirole

Description

Low Latency Packet mode

X

Enables using connection intervals below 7.5 ms

QoS Conn Event Reports

X

X

X

Reports QoS for every connection event. The application can then set an adapted channel map to avoid busy channels.

Note

Low Latency Packet mode is not supported on the nRF53 Series.

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