Datasheet

11.13. Interrupt
The Interrupt circuits in AC101 generate an Interrupt (IRQ) event to enable the detection of audio jack
status. The Interrupt pin IRQ_AUDIO is open-drain. It's usually drives a high level voltage via the external
pull-up resistor while it output a low level when the IRQ is active.
It supports the following triggered events illustrated in the figure below:
Figure 32 Interrupt trigger Diagram