NXP MCX W70 and KW43 wireless MCU families support Bluetooth 6.x Channel Sounding for secure distance measurement in industrial IoT and automotive applications. The MCX W70 supports Bluetooth LE, Zigbee, Thread, and Matter for Smart Home and industrial devices, while the KW43 is designed for automotive applications such as digital keys and secure vehicle access. Both families feature a 96 MHz Arm Cortex-M33 application core, a separate Cortex-M33 core for wireless connectivity, up to 1.5MB flash, 256KB SRAM, a dedicated Localization Compute Engine (LCE), and NXP’s EdgeLock security features. Bluetooth Channel Sounding support combines phase-based ranging (PBR) and round-trip time (RTT) to improve distance measurement accuracy and security. NXP MCX W70 and KW43 key features and specifications: MCU cores Application core – Arm Cortex-M33 @ 96 MHz with FPU, MPU, DSP/SIMD instructions, and TrustZone-M Radio subsystem – Arm Cortex-M33 @ 96 MHz Accelerator – Localization Compute Engine (LCE) for Bluetooth […]
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