wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 86

• Manufacturer Part Number: wm9081
• Description: Mono Dac With 2.6w Class Ab/d Speaker Driver, Dynamic Range Controller And Retune Mobile Parametric Equalizer
• Manufacturer: Wolfson Microelectronics plc

WM9081
Register 0Ah Analogue Speaker 2
w
Managemen
REGISTER
REGISTER
ADDRESS
ADDRESS
R10 (0Ah)
Speaker 2
R11 (0Bh)
Analogue
Power
t
BIT
BIT
6
4
3
8
7
6
4
2
1
0
SPK_INV_MUT
LINEOUT_ENA
SPKPGA_ENA
OUT_SPK_CT
TSENSE_ENA
TEMP_SHUT
TSHUT_ENA
SPK_MODE
DAC_ENA
SPK_ENA
LABEL
LABEL
RL
E
DEFAULT
DEFAULT
0
1
1
1
1
0
0
0
0
0
Speaker Mode Select
0 = Class D mode
1 = Class AB mode
Controls a pop-suppression circuit for Speaker start-up.
Controlled automatically by SPK_ENA in Class D
mode. Must be set to 0 before enabling SPK_ENA in
Class AB mode.
0 = Normal operation
1 = SPK_INV_MUTE enabled
Controls a pop-suppression circuit for Speaker start-up.
Controlled automatically by SPK_ENA in Class D
mode. Must be set to 0 before enabling SPK_ENA in
Class AB mode.
0 = Normal operation
1 = OUT_SPK_CTRL enabled
Thermal shutdown control
(Causes audio outputs to be disabled if an over-
temperature occurs. The thermal sensor must also be
enabled.)
0 = Disabled
1 = Enabled
Thermal sensor enable
0 = Disabled
1 = Enabled
Thermal Sensor status (Read Only)
0 = Temperature limit not exceeded
1 = Temperature limit exceeded
LINEOUT Enable
0 = Disabled
1 = Enabled
Speaker PGA Enable
0 = Disabled
1 = Enabled
Speaker Output Enable
0 = Disabled
1 = Enabled
DAC Enable
0 = Disabled
DESCRIPTION
DESCRIPTION
PP, Rev 3.0, April 2009
Analogue
Outputs
Signal Path
Control
Signal Path
Control
Thermal
Shutdown
Power
Managemen
t
Thermal
Shutdown
Power
Managemen
t
Thermal
Shutdown
Signal Path
Control
Power
Managemen
t
Signal Path
Control
Power
Managemen
t
Signal Path
Control
Power
Managemen
t
Digital to
Analogue
REFER TO
REFER TO
Pre-Production
86