1 thermal overload threshold settings, 2 power down thermal sense, 3 power down speakerphone line output – Cirrus Logic CS42L73 User Manual

Page 84: 4 power down ear speaker, 5 power down speakerphone, P 84, Cs42l73

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84

DS882F1

CS42L73

6.6

Power Control 3 and Thermal Overload Threshold Control (Address 08h)

6.6.1

Thermal Overload Threshold Settings

Configures the threshold temperature level for the Thermal Overload Interrupt Status bit.

6.6.2

Power Down Thermal Sense

Configures the power state of Thermal Sense circuit.

6.6.3

Power Down Speakerphone Line Output

Configures the Speakerphone Line Output Driver power state. If the Speakerphone Line Output Driver or
Ear Speaker Driver is powered up, the DAC that drives them is powered up; otherwise, it is powered down.

6.6.4

Power Down Ear Speaker

Configures the Ear Speaker Driver power state. If the Speakerphone Line Output Driver or Ear Speaker
Driver is powered up, the DAC that drives them is powered up; otherwise, it is powered down.

6.6.5

Power Down Speakerphone

Configures the power state of the Speakerphone DAC and Driver.

7

6

5

4

3

2

1

0

THMOVLD_

THLD1

THMOVLD_

THLD0

PDN_THMS

PDN_SPKLO

PDN_EAR

PDN_SPK

PDN_LO

PDN_HP

THMOVLD_THLD[1:0]

Nominal Threshold Level (

°C

)

00

Refer to table

“Thermal Overload Detect Characteristics” on page 25

01 to 11
Application:

“Thermal Overload Notification” on page 42

PDN_THMS

Thermal Sense Status

0 Powered

Up

1

Powered Down

Application:

“Thermal Overload Notification” on page 42

PDN_SPKLO

Speakerphone Line Output Driver Status

0 Powered

Up

1

Powered Down

PDN_EAR

Ear Speaker Driver Status

0 Powered

Up

1

Powered Down

PDN_SPK

Speakerphone DAC and Driver Status

0

Powered Up

1

Powered Down

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