Cirrus Logic CDB43L22 - Manual (Page 14)

14 DS792DB1
CDB43L22
4.3 DSP Engine Tab
The “DSP Engine” tab provides high-level control of the SDIN (PCM) data volume level, the PCM mix vol-
ume level and the overall DAC/PWM channel volume level. DAC/PWM channel Limiter, Tone Control and
Beep Generator control functions are also provided. Status text detailing the CS43L22’s specific configura-
tion is shown in parenthesis or inside the control group of the affected control. This text will change depend-
ing on the setting of the associated control. A description of each control group is outlined below. See the
CS43L22 datasheet for complete register descriptions.
Digital Volume Control - Digital volume controls and adjustments for the SDIN data and overall channel vol-
ume. Mute, gang, invert and de-emphasis functions are also available.
Limiter - Configuration settings for the Limiter.
Tone Control - Bass and treble volume controls and filter corner frequencies.
Beep Generator - On/Off time, frequency, volume, mix and repeat beep functions.
Update - Reads all registers in the CS43L22 and reflects the current values in the GUI.
Reset - Resets the CS43L22.
Figure 6. DSP Engine Tab