SPRUJ70A January 2023 – March 2024 AM69
The pushbutton [SW1] can be used for several different functions.
Function 1: System Wake from Shutdown. After software-initiated power down (using WKUP_GPIO0_69), pressing pushbutton [SW1] will re-enable and boot the SK.
Function 2: Power Management Enable. The pushbutton [SW1] is connected with Power Management IC (nPWRON/ENABLE), and used for enabling the SOC supplies
Function 3: User Defined Input/Interrupt. The pushbutton [SW1] is connected with the processor (WKUP_GPIO0_82), and can be programmed for variety of user input/interrupt needs.
A red LED [LD5] is available as user indicator, and is controlled via the processor (WKUP_GPIO0_55).