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Evaluation Board User Guide
ADC_SDATA1/CLKOUT/MP6
ADC_SDATA0/PDMOUT/MP1
DAC_SDATA/MP0
BCLK/MP2
LRCLK/MP3
PDM Digital Microphone Inputs
10k0
11
12
9
10
R32
7
8
5
6
3
4
1
2
POLARIZINGPLUG
M1
J6
SOCKET_12WAY_UNSHROUD
11
12
9
10
R35
7
8
5
6
10k0
3
4
1
2
POLARIZINGPLUG
M3
J7
SOCKET_12WAY_UNSHROUD
Figure 44. Evaluation Board Schematic—PDM Digital Microphone Interface
EXT_MCLK
R29
LRCLK/MP3
49R9
BCLK/MP2
DAC_SDATA/MP0
ADC_SDATA0/PDMOUT/MP1
ADC_SDATA1/CLKOUT/MP6
Figure 45. Evaluation Board Schematic—Serial Audio Interface
J9
HEADER_10WAY_UNSHROUD
1
2
3
4
5
6
7
8
9
10
MP PIN JUMPERS
Figure 46. Evaluation Board Schematic—MP Pin Jumpers
Rev. 0 | Page 15 of 27
IOVDD
DMIC_0_1
R33
ADC_SDATA1/CLKOUT/MP6
R30
10k0
POLARIZINGPLUG
100R
M2
IOVDD
DMIC_2_3
R34
R31
10k0
POLARIZINGPLUG
100R
M4
Serial Audio Interface
HEADER_12WAY_UNSHROUD
10
12
IOVDD
R40
R39
R38
10k0
10k0
10k0
ADC_SDATA1/CLKOUT/MP6
2
1
4
3
6
5
8
7
9
11
J4
R37
R36
C32
10k0
10k0
0.10uF
S4
DSP Bypass
S6
VOL+
S5
VOL-
S3
A:Mute
1
4
2
3
B:Bank Switch
SPST_2SEC_SMD
UG-177
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