wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 64
wm8350
Manufacturer Part Number
wm8350
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8350.pdf
(345 pages)
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WM8350
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Figure 37 Microphone Inputs and Pre-amplifiers
13.4.2
R9 (09h)
Power Mgmt
2
R80 (50h)
Left Input
Volume
R81 (51h)
Right Input
Volume
Note: These bits can be accessed through R9 or through R80/R81. Reading from or writing to either
register location has the same effect.
Table 20 Enabling the Microphone Pre-amplifiers
ADDRESS
ENABLING THE PRE-AMPLIFIERS
BIT
15
15
9
8
INR_ENA
INL_ENA
INL_ENA
INR_ENA
LABEL
DEFAULT
0
0
0
0
Right input PGA enable
0 = disabled
1 = enabled
Left input PGA enable
0 = disabled
1 = enabled
Left input PGA enable
0 = disabled
1 = enabled
Right input PGA enable
0 = disabled
1 = enabled
DESCRIPTION
PD, June 2009, Rev 4.1
Production Data
64
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