Cirrus Logic CDB42L73 - Manual (Page 18)

18 DS882DB1
CDB42L73
4.3.5 Input DSP Tab
The “Input DSP” tab contains the main controls for setting the digital signal processing applied to the an-
alog inputs (including the digital microphone) of the CS42L73. A brief description of each control group is
described below.
• Noise Gate Configuration - register controls to configure the CS42L73’s analog input noise gate options
• ALC Configuration - register controls to configure the CS42L73’s analog input automatic level control
options
• Digital Volume - register controls to configure the digital volume of the CS42L73’s analog inputs going
into the pre-digital mixer stage (described in the next item below, the “Input to Mixer Configuration”)
• Input to Mixer Configuration (Digital Swap / Mono) - register controls to configure the channel mapping
and mono downmixing options of the analog input signal going into the digital mixer
• Refresh Page - reads all registers in all devices and updates the values in the GUI
• Reset CS42L73 - resets the CS42L73
Figure 10. The “Input DSP” Tab in FlexGUI for the CDB42L73