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The SD 600eval board implements this requirement by routing APQ8064 USB4 port signals to the High Speed Expansion
Connector.
7.3 Audio Expansion Connector
SD 600eval provides additional audio functionality by implementing Audio Codec WCD9310 (U3) on board. The output of WCD9310 is
routed on two Audio Expansion Connectors (J4 & J6).
7.3.1 40-Pin Audio Expansion Connector
The 40 Pins Audio Expansion connector is a board to board receptacle connector J4 (5177983-1).
The following table shows the 40 Pin Audio Expansion Connector pin out:
Pin Number
Signal name
Pin Number
Signal name
1
PMIC_PM_GPIO_42
2
PMIC_MPP_8821_2
3
CDC_LINE_OUT5
4
CDC_LINE_OUT2
5
GND
6
CDC_LINE_OUT4
7
CDC_EARO_N
8
GND
9
CDC_EARO_P
10
CDC_MBHC_IN
11
GND
12
CDC_MIC_BIAS2
13
CDC_MIC_BIAS4
14
CDC_MIC_BIAS1
15
GND
16
GND
17
CDC_DMIC_CK0
18
CDC_DMIC_CK1
19
CDC_DMIC_D0
20
CDC_DMIC_D1
21
GND
22
GND
23
MIC_IN1_P
24
MIC_IN4_P
25
MIC_IN1_N
26
MIC_IN4_N
27
GND
28
GND
29
MIC_IN6_P
30
MIC_IN5_P
31
MIC_IN6_N
32
MIC_IN5_N
33
GND
34
GND
35
VPH
36
V1P8_VREG_S4
37
VPH
38
V1P8_VREG_S4
39
GND
40
GND
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