Intrinsyc LANTRONIX Open-Q 820 User Manual page 35

Description
BLSP1_2_3P3(3.3V)
BLSP1_1_3P3(3.3V)
BLSP1_0_3P3(3.3V)
NC
NC
NC
GND
NC
3.9.10 ANC Headset Jack J27
The ANC headset jack (J27) is a special 3.5mm TRRS jack with ANC capabilities. It is backwards compatible
with standard headset jacks. Please contact Lantronix at sales@lantronix.comfor compatible ANC headsets.
Open-Q™ 820 / 820Pro µSOM Dev Kit User Guide
Signal Pin NO
BLSP1_SPI_ J54[5]
MISO (APQ-
GPIO1)
BLSP1_SPI_C J54[7]
S_N (APQ-
GPIO2)
BLSP1_SPI_C J54[9]
LK (APQ-
GPIO3)
N/C J54[11]
N/C J54[13]
N/C J54[15]
GND J54[17]
N/C J54[19]
Figure 13 ANC Headphone Jack
Open-Q 820 µSOM Development Kit
Description
NC
PM8996 MPP GPIO4
NC
NC
NC
NC
NC
5V power supply max
150mA
Signal Pin NO
N/C J54[6]
PM_MPP04 J54[8]
N/C J54[10]
N/C J54[12]
N/C J54[14]
N/C J54[16]
N/C J54[18]
MB_VREG_5P0 J54[20]
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