Permits marking of different Power use domains by using GPIO pins. This is meant to ease power measurements using tools such as Joulescope. 8MB of SRAM, the Apollo4 has over plenty of compute and storage to handle intricate algorithms and neural networks while displaying lively, crystal-clear, and easy graphics. https://low-power-ic21974.fireblogz.com/65742280/ambiq-apollo-sdk-an-overview