Cirrus-logic CDB43L22 Manual de usuario descargar pdf (Pagina 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

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Cirrus-logic CDB43L22 Manual de usuario Pagina 14