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CRD42L52
4.4
Analog and PWM Output Volume Tab
The “Analog and PWM Output Volume” tab provides high-level control of the CS42L52 input passthrough
volume, HP/Line output volume levels, charge pump frequency, speaker volume, and PWM Tempera-
ture/Battery monitoring controls. Status text detailing the CODEC’s specific configuration appears directly
below the associated control. This text will change depending on the setting of the associated control. A
description of each group is outlined below. See the CS42L52 data sheet for complete register descriptions.
Headphone/Line Analog Output - Digital volume controls and adjustments for the DAC channel (outside of
the DSP) and for the input passthrough. The modulation index and gain settings make up the parameters
that determine the full scale headphone/line output level.
PWM Output - Volume, mute, power down and other functional controls for the PWM speaker outputs.
Temperature and Battery Monitor/Control - Battery Compensation, Thermal Foldback, Temperature Shut-
down and Battery Monitor for the PWM/Speaker outputs.
Figure 7. Analog and PWM Output Volume Tab
DS680RD1
13
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