WM8903LGEFK/V Wolfson Microelectronics, WM8903LGEFK/V Datasheet - Page 152
WM8903LGEFK/V
Manufacturer Part Number
WM8903LGEFK/V
Description
Audio CODECs ULTRA LOW PWR HI FI CODEC
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8903LGEFKV.pdf
(158 pages)
Specifications of WM8903LGEFK/V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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WM8903
R164 (A4h)
Clock Rate
Test 4
Register A4h Clock Rate Test 4
R172 (ACh)
Analogue
Output Bias
0
Register ACh Analogue Output Bias 0
R187 (BBh)
Analogue
Output Bias
2
Register BBh Analogue Output Bias 2
w
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
BIT
6:4
BIT
2:0
BIT
9
OUTPUTS_BIA
S [2:0]
ADC_DIG_MIC
PGA_BIAS
[2:0]
LABEL
LABEL
LABEL
DEFAULT
DEFAULT
DEFAULT
000
000
0
Headphone and Lineout PGA bias control
000 = Normal bias
001 = Normal bias x 1.5
010 = Normal bias x 0.75
011 = Normal bias x 0.5
100 = Normal bias x 0.33
101 = Normal bias
110 = Normal bias
111 = Normal bias x 2
Enables Digital Microphone mode.
0 = Audio DSP input is from ADC
1 = Audio DSP input is from digital microphone
interface
Headphone and Lineout Output Drivers bias control
000 = Normal bias
001 = Normal bias x 1.5
010 = Normal bias x 0.75
011 = Normal bias x 0.5
100 = Normal bias x 0.33
101 = Normal bias
110 = Normal bias
111 = Normal bias x 2
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, Rev 3.1, August 2009
Pre-Production
152
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