wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 83
wm9081
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
Datasheet
1.WM9081.pdf
(109 pages)
- Current page: 83 of 109
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Pre-Production
REGISTER BITS BY ADDRESS
Register 00h Software Reset
Register 02h Analogue Lineout
Register 03h Analogue Speaker PGA
w
REGISTER
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
ADDRESS
Analogue
Analogue
R0 (00h)
Software
R2 (02h)
R3 (03h)
R4 (04h)
Speaker
Lineout
Control
Reset
VMID
PGA
15:0
BIT
BIT
BIT
BIT
5:0
5:0
7
6
7
6
5
SPKPGA_VOL[
VMID_BUF_EN
SW_RST_DEV
LINEOUT_VOL
SPKPGA_MUT
LINEOUT_MU
LINEOUTZC
SPKPGAZC
_ID1[15:0]
LABEL
LABEL
LABEL
LABEL
[5:0]
5:0]
TE
E
A
DEFAULT
DEFAULT
DEFAULT
DEFAULT
11_1001
11_1001
9081h
1
0
1
0
0
Writing to this register resets all registers to their
default state.
Reading from this register will indicate device family ID
9081h.
LINEOUT Mute
0 = Un-mute
1 = Mute
LINEOUT Zero Cross Detection
0 = Change gain immediately
1 = Change gain on zero cross only
LINEOUT Volume
00 0000 = -57dB
00 0001 = -56dB
…
11 1001 = 0dB
…
11 1111 = 6dB
Speaker PGA Mute
0 = Un-mute
1 = Mute
Speaker PGA Zero Cross Detection
0 = Change gain immediately
1 = Change gain on zero cross only
Speaker PGA Volume
00 0000 = -57dB
00 0001 = -56dB
…
11 1001 = 0dB
…
11 1111 = 6dB
Enables VMID reference for lineout and inputs clamps
0 = Disabled
1 = Enabled
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, Rev 3.0, April 2009
Power
Managemen
t
Signal Path
Control
Signal Path
Control
Signal Path
Control
Signal Path
Control
Signal Path
Control
Signal Path
Control
Pop
Suppression
Control
REFER TO
REFER TO
REFER TO
REFER TO
WM9081
83
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