SPRUJ70A January 2023 – March 2024 AM69 , AM69A , TDA4AH-Q1 , TDA4AP-Q1 , TDA4VH-Q1 , TDA4VP-Q1
When pressed [SW3], the SK is issued a Power-On (Cold) Reset, and is held in reset until the button is released.
If the pushbutton is held longer than 5 seconds, the system will power down. The system can be restarted by either pressing the User Pushbutton [SW1] or by cycling power to the board.