WM9090
Production Data
w
PD, November 2010, Rev 4.1
64
REGISTER
ADDRESS
BIT LABEL
DEFAULT
DESCRIPTION
REFER
TO
R36 (24h)
SPKOUT
Mixers
4 SPKMIXL_TO_
SPKOUTL
1
SPKMIX to Speaker Output enable
0 = Disabled
1 = Enabled
Register 24h
SPKOUT Mixers
REGISTER
ADDRESS
BIT LABEL
DEFAULT
DESCRIPTION
REFER
TO
R37 (25h)
ClassD3
5:3 SPKOUTL_BO
OST [2:0]
000
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)
Register 25h
ClassD3
REGISTER
ADDRESS
BIT LABEL
DEFAULT
DESCRIPTION
REFER
TO
R38 (26h)
Speaker
Volume Left
8 SPKOUT_VU N/A Speaker Output PGA Volume Update
Writing a 1 to this bit will update the SPKOUTL volume.
7 SPKOUTL_ZC 0 Speaker Output PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
6 SPKOUTL_MU
TE
0
Speaker Output PGA Mute
0 = Un-mute
1 = Mute
5:0 SPKOUTL_VO
L [5:0]
11_1001 Speaker Output PGA Volume
-57dB to +6dB in 1dB steps
Register 26h
Speaker Volume Left
REGISTER
ADDRESS
BIT LABEL
DEFAULT
DESCRIPTION
REFER
TO
R45 (2Dh)
Output
Mixer1
6 IN1A_TO_MIX
OUTL
0
IN1A to MIXOUTL enable
0 = Disabled
1 = Enabled
2 IN2A_TO_MIX
OUTL
0
IN2A to MIXOUTL enable
0 = Disabled
1 = Enabled
Register 2Dh
Output Mixer1
