CS43L22 datasheet(49/66 Pages) CIRRUS

49 / 66 page

DS792F2

CS43L22

Confidential Draft

3/4/10

Notes:

This setting must not change when BEEP is enabled.

Beep off time will scale inversely with sample rate, Fs, but is fixed at the nominal Fs within each speed

mode.

7.16.2

Beep Volume

Sets the volume of the beep signal.

Note:

This setting must not change when BEEP is enabled.

7.17

Beep & Tone Configuration (Address 1Eh)

7.17.1

Beep Configuration

Configures a beep mixed with the HP/Line and SPK output.

Notes:

When used in analog pass through mode, the output alternates between the signal from the

Passthrough Amplifier and the beep signal. The beep signal does not mix with the analog signal from

the Passthrough Amplifier.

Re-engaging the beep before it has completed its initial cycle will cause the beep signal to remain ON

for the maximum ONTIME duration.

7.17.2

Beep Mix Disable

Configures how the beep mixes with the serial data input.

Note:

This setting must not change when BEEP is enabled.

BEEPVOL[4:0]

Gain

00110

+6.0 dB

···

00000

-6 dB

11111

-8 dB

11110

-10 dB

···

00111

-56 dB

Step Size:

2 dB

Application:

“Beep Generator” on page 22

654

BEEP1

BEEP0

BEEPMIXDIS

TREBCF1

TREBCF0

BASSCF1

BASSCF0

TCEN

BEEP[1:0]

Beep Occurrence

Off

Single

Multiple

Continuous

Application:

“Beep Generator” on page 22

BEEPMIXDIS

Beep Output to HP/Line and Speaker

Mix Enabled; The beep signal mixes with the digital signal from the serial data input.

Mix Disabled; The output alternates between the signal from the serial data input and the beep signal. The

beep signal does not mix with the digital signal from the serial data input.

Application:

“Beep Generator” on page 22

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