wm9090 Wolfson Microelectronics plc, wm9090 Datasheet - Page 61

• Manufacturer Part Number: wm9090
• Description: Ultra Low Power Audio Subsystem
• Manufacturer: Wolfson Microelectronics plc

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Pre-Production
Register 24h SPKOUT Mixers
Register 25h ClassD3
Register 26h Speaker Volume Left
Register 2Dh Output Mixer1
Volume Left
REGISTER
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
ADDRESS
R45 (2Dh)
R36 (24h)
R37 (25h)
R38 (26h)
SPKOUT
ClassD3
Speaker
Output
Mixers
Mixer1
BIT
BIT
BIT
BIT
5:3
5:0
4
8
7
6
6
2
SPKMIXL_TO_
SPKOUTL_BO
SPKOUTL_MU
SPKOUTL_VO
SPKOUTL_ZC
IN1A_TO_MIX
IN2A_TO_MIX
SPKOUT_VU
SPKOUTL
OST [2:0]
LABEL
LABEL
LABEL
LABEL
L [5:0]
OUTL
OUTL
TE
DEFAULT
DEFAULT
DEFAULT
DEFAULT
11_1001
000
1
0
0
0
0
0
SPKMIX to Speaker Output enable
0 = Disabled
1 = Enabled
Speaker Output Gain Boost
000 = 1.00x boost (+0dB)
001 = 1.19x boost (+1.5dB)
010 = 1.41x boost (+3.0dB)
011 = 1.68x boost (+4.5dB)
100 = 2.00x boost (+6.0dB)
101 = 2.37x boost (+7.5dB)
110 = 2.81x boost (+9.0dB)
111 = 3.98x boost (+12.0dB)
Speaker Output PGA Volume Update
Writing a 1 to this bit will update the SPKOUTL volume.
Speaker Output PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
Speaker Output PGA Mute
0 = Un-mute
1 = Mute
Speaker Output PGA Volume
-57dB to +6dB in 1dB steps
IN1A to MIXOUTL enable
0 = Disabled
1 = Enabled
IN2A to MIXOUTL enable
0 = Disabled
1 = Enabled
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, January 2010, Rev 3.0
REFER TO
REFER TO
REFER TO
REFER TO
WM9090
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