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

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