SOM-9X20 User Manual
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A.3.18. Audio Module Connector
The SOMDB2 carrier board comes with two audio module connectors for connecting the VT6093 audio
module. The audio module connectors are labeled as "B2B_1" and "B2B_2". The pinouts of the audio module
connectors are shown below.
Table 16: Audio module connector pinouts (B2B_1)
Table 17: Audio module connector pinouts (B2B_2)
Pin
Signal
Pin
Signal
1
MIC_BIAS1
2
CDC_HPH_SW_L
3
CDC_IN1_P
4
CDC_HPH_SW_R
5
CDC_IN1_M
6
HPH_GND_SENSE
7
MIC_BIAS2
8
CDC_DMIC_CLK0
9
CDC_IN2_P
10 CDC_DMIC_DATA0
11 CDC_IN2_M
12 GND
13 MIC_BIAS3
14 CDC_DMIC_CLK1
15 CDC_IN3_P
16 CDC_DMIC_DATA1
17 CDC_IN3_M
18 GND
19 MIC_BIAS4
20 CDC_DMIC_CLK2
21 CDC_IN4_P
22 CDC_DMIC_DATA2
23 CDC_IN4_M
24 CODEC_INT1_N
25 GND
26 DODEC_INT2_N
27 CDC_IN5_P
28 CDC_IN6_P
29 CDC_IN5_M
30 CDC_IN6_M
1 2 3 4
ON DIP
1
1
B2B_2
1
B2B_1
1
Pin
Signal
Pin
Signal
1
CDC_LINE_OUT1_P
2
DIVCLK1_CDC
3
CDC_LINE_OUT1_M
4
DIVCLK2_CDC
5
GND
6
GND
7
CDC_LINE_OUT2_P
8
SLIMBUS_CLK
9
CDC_LINE_OUT2_M
10 SLIMBUS_DATA0
11 GND
12 SLIMBUS_DATA1
13 CDC_EAR_P
14 GND
15 CDC_EAR_M
16 CODEC_RST_N
17 HAPTICS_CDC_LOUT3 18 TS_GTR_THRES
19 GND
20 MBHC
21 SPKR_OUT_1_P
22 VPH_PWR_AUDIO
23 SPKR_OUT_2_M
24 VPH_PWR_AUDIO
25 GND
26 VPH_PWR_AUDIO
27 SPKR_OUT_2_P
28 VPH_PWR_AUDIO
29 SPKR_OUT_2_M
30 VREG_S4A_1P8
31 GND
32 VREG_S4A_1P8
33 SPKR_AMP_EN1
34 VREG_S4A_1P8
35 SPKR_AMP_EN2
36 VERG_S4A_1P8
37 GND
38 VREG_S4A_1P8
39 GND
40 VREG_S4A_1P8
Figure 32: Audio module connectors diagram
