User Manual

ALF-DSP 88-U
-33-
3.5.3 GPIO Setting
Open the software interface of GPIO settings. The device has total 8 GPIOs that allow independent input or output
configuration.
Input GPIOs have preset, router, gain, mute, command, and analogue-to-digital gain as control options.
Output GPIOs have preset, level, mute, and command for selection as control options.
Input GPIO Setting
Preset Trigger types: High level trigger, Low level trigger,
High level trigger / Low level trigger cancellation, Low
level trigger, High level cancellation,
i.e., rising edge / falling edge trigger /
rising edge
trigger, falling edge cancellation / falling edge trigger,
rising edge cancellation
Preset: It will change to preset when jump type of
hardware GPIO port and trigger type of software
setting are consistent.
Routing Trigger types: Same as above
Input and output: Select input channel routing
corresponding to output channel.
Executes mixing /
cancel mixing action when the
trigger condition is satisfied.