wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 48

• 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
w
Table 27 Output Signal Path Control
R10 (0Ah)
Analogue
Speaker 2
R11 (0Bh)
Power
Management
REGISTER
ADDRESS
BIT
4
3
4
2
1
SPK_INV_MUTE
OUT_SPK_CTRL
LINEOUT_ENA
SPKPGA_ENA
SPK_ENA
LABEL
DEFAULT
1
1
0
0
0
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
LINEOUT Enable
0 = Disabled
1 = Enabled
Speaker PGA Enable
0 = Disabled
1 = Enabled
Speaker Output Enable
0 = Disabled
1 = Enabled
DESCRIPTION
PP, Rev 3.0, April 2009
Pre-Production
48