Open-Q 212A Development Kit
Open-Q™ 212A Development Kit User Guide
31
Table 12 Audio Input Expansion Header (J50) Pinout
Note
Signal
Pin
#
Pin
#
Signal
Note
CDC_MIC1_P
1
2
GND
CDC_MIC1_N
3
4
624_DMIC0_CLK
See Section 3.8.27
CDC_MIC2_P
5
6
624_DMIC0_DATA
See Section 3.8.27
CDC_MIC2_N
7
8
CDC_DMIC1_CLK
GND
9
10 CDC_DMIC1_DATA
CDC_MIC3_P
11
12 GND
CDC_MIC3_N
13
14 CDC_DMIC2_CLK
CDC_MIC4_P
15
16 CDC_DMIC2_DATA
CDC_MIC4_N
17
18 CDC_DMIC3_CLK
Not Available on the
212A dev. kit
GND
19
20 CDC_DMIC3_DATA
Not Available on the
212A dev. kit
CDC_MIC_BIAS
1
21
22 GND
CDC_MIC_BIAS
2
23
24 PMI_GPIO_1
Not Available on the
212A dev. kit
CDC_MIC_BIAS
3
25
26 212_DMIC0_CLK
APQ GPIO_5
Not Available on the
212A dev. kit
CDC_MIC_BIAS
4
27
28 212_DMIC0_DATA
APQ GPIO_4
GND
29
30 GPIO_MIC_MUTE_STATU
S
APQ GPIO_92