SPRUJ68 January 2023 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
The pushbutton [SW3] can be used for several different functions.
Function 1: System Wake from Shutdown. After power down using either Pushbutton [SW2] or Software-Initiated (WKUP_GPIO0_69), pressing pushbutton [SW3] will re-enable and boot the EVM.
Function 2: Power Management Enable. The pushbutton [SW3] is connected with Power Management IC (EN), and can be programmed for different power related functions (ex. Wake from Sleep).
Function 3: User Defined Input/Interrupt. The pushbutton [SW3] is connected with the TDA4VE processor (WKUP_GPIO0_69), and can be programmed for variety of user input/interrupt needs.
A red LED [LD3] is available as user indicator, and is controlled via the processor (WKUP_GPIO0_29)