Open-Q 2100 Development Kit
Open-Q™ 2100 Dev Kit User Guide
33
Description
Signal
Pin NO
Description
Signal
Pin
Number
GND
GND
J3600-7
Headset out (Left)
CDC_HPH_L_
C
J3600-8
Analog mic 2 signal
(headset mic)
CDC_HDS_MI
C2_P_C
J3600-9
Headset out (Right)
CDC_HPH_R_
C
J3600-10
GND
GND
J3600-11 GND
GND
J3600-12
Earphone out (+)
CDC_EAR_C
_P
J3600-13 Headset detect
CDC_HS_DET
_C
J3600-14
Earphone out (-)
CDC_EAR_C
_N
J3600-15 GND (headphone
reference)
CDC_HPH_RE
F
J3600-16
Note:
The headset interfaces are option on the header J3600. Please refer to the carrier board schematic
for appropriate resistor stuffing necessary to route headset signals to this header.
3.9.10
Headset jack J3702
Figure 17 J3702 Audio Line Out Jack
This 3.5mm jack provides the following audio input/outputs:
1. 1 x stereo outputs
2. 1x headset mic
3. Headset detect
3.9.11
On Board PCB mount WLAN Antenna
The Open-Q 2100 SOM carrier board has one on-board WLAN PCB mount antenna that connects to the
WCN3620 Wi-Fi module on the SOM via a coaxial cable that attaches to the U.FL receptacles. This antenna
connects to the SOM in the following configuration: