Maxim is aiming its latest MCY at coin cell powered Bluetooth Low Energy 5.2 wireless communication – 27.3μA/MHz operation is available at 3.3V when executing from cache, or 1.2µA at 3.3V in the lowest power mode. Called MAX32666, and part of the company’s Darwin family, it has dual 96MHz Arm Cortex-M4 cores, both with their own ...

This story continues at MCU has dual Cortex-M4 and Bluetooth LE 5.2

Or just read more coverage at Electronics Weekly