NRF5340-CLAA-R7

RF Transceiver ICS Overview

The NRF5340-CLAA-R7 is a dual-core Bluetooth System-on-Chip supporting Bluetooth LE, Bluetooth Mesh, NFC, Thread, and Zigbee. It features an Application Processor with 1 MB Flash and 512 KB RAM running at 128/64 MHz, and a Network Processor with 256 KB Flash and 64 KB RAM at 64 MHz. The device operates on a 1.7V to 5.5V supply, supports up to 2 Mbps data rates, and includes 3 dBm output power with -97.5 dBm sensitivity. It offers 48 GPIOs, interfaces including USB, QSPI, HS-SPI, I2S, PWM, SPI, UART, and ADC, and functions within a -40°C to 105°C temperature range in a 95-WLCSP package.

RF Transceiver ICS Feature Summary

• Dual-core architecture with separate Application and Network processors for optimized performance and low-power efficiency.
• Comprehensive wireless protocol support including Bluetooth LE 5.4, Thread, Zigbee, BLE Audio, and NFC.
• Advanced security implementation via Arm TrustZone, CryptoCell-312 hardware acceleration, and secure key storage.
• Extended operating temperature range up to 105°C suitable for demanding industrial and IoT environments.

RF Transceiver ICS Applications

• LE Audio devices such as TWS earbuds and headsets
• Professional lighting and Bluetooth Mesh networks
• Advanced wearables and health monitoring devices
• Smart home locks and Matter over Wi-Fi implementations
• Complex IoT applications requiring high integration

RF Transceiver ICS Procurement Notes

Verify the specific ordering suffix CLAA against Nordic Semiconductor's official datasheet to confirm package type, pinout, and tape-and-reel specifications. Ensure compatibility with the intended PCB layout for the 95-WLCSP form factor. Cross-reference the component marking code with the manufacturer's documentation to authenticate the part before production integration.

RF Transceiver ICS Selection Notes

Select this component when multi-protocol connectivity and high processing power are required in a single chip. The dual-core design allows separation of application logic from network stack tasks, optimizing power consumption. Consider the extended temperature range and robust security features for industrial or outdoor deployments where reliability is critical.

RF Transceiver ICS Part Context

This part belongs to the nRF53 Series, representing Nordic Semiconductor's first dual-core wireless SoC. It builds upon the nRF52 Series capabilities by adding higher memory capacity, increased clock speeds, and support for newer protocols like LE Audio and Thread. The series targets complex IoT applications requiring significant computational resources alongside wireless connectivity.

RF Transceiver ICS Replacement Considerations

nRF5340-XXAA (Generic Package Variant)

RF Transceiver ICS FAQ

What is the primary function of the Network Processor?

The Network Processor is optimized for low power and efficiency, handling wireless protocol stacks such as Bluetooth LE, Thread, and Zigbee independently of the Application Processor.

Does the NRF5340-CLAA-R7 support Bluetooth Direction Finding?

Yes, it supports all Angle-of-Arrival (AoA) and Angle-of-Departure (AoD) roles for Bluetooth Direction Finding.