CS4525 datasheet(79/91 Pages) CIRRUS

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DS726A1

CS4525

9.14.4

Independent Channel Mute (MuteChX)

Default = 0

Function:

The PWM outputs of the CS4525 will mute when enabled. The muting function is affected, similar to at-

tenuation changes, by the soft and zero cross bits (SZCMode[1:0]). See “Volume and Muting Control” on

page 36 for more information.

9.15

Limiter Configuration 1 (Address 5Ch)

9.15.1

Maximum Threshold (Max[2:0])

Default = 000

Function:

Sets the maximum level, below full scale, at which to limit and attenuate the output signal at the limiter

attack rate.

9.15.2

Minimum Threshold (Min[2:0])

Default = 000

Function:

Sets a minimum level below full scale at which the limiter will begin to release its applied attenuation.

9.15.3

Peak Signal Limit All Channels (LimitAll)

Default = 1

Function:

When cleared, the peak signal limiter will limit the maximum signal amplitude to prevent clipping on the

specific channel indicating clipping. The other channels will not be affected. When set, the peak signal

MuteChX Setting

Channel X Mute State

0 .......................................... Channel X un-muted.

1 .......................................... Channel X muted.

432

Max2

Max1

Max0

Min2

Min1

Min0

LimitAll

EnLimiter

Max[2:0] Setting

Maximum Threshold Setting

000 ...................................... 0.0 dB

001 ...................................... -3.0 dB

010 ...................................... -6.0 dB

011....................................... -9.0 dB

100 ...................................... -12.0 dB

101 ...................................... -18.0 dB

110....................................... -24.0 dB

111 ....................................... -30.0 dB

Min[2:0] Setting

Minimum Threshold Setting

000 ...................................... 0.0 dB

001 ...................................... -3.0 dB

010 ...................................... -6.0 dB

011....................................... -9.0 dB

100 ...................................... -12.0 dB

101 ...................................... -18.0 dB

110....................................... -24.0 dB

111 ....................................... -30.0 dB

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