Anc Headset Jack J27; Figure 14 Anc Headphone Jack - Intrinsyc Lantronix Open-Q 820 User Manual

Description
BLSP1_2_3P3(3.3V)
BLSP1_1_3P3(3.3V)
BLSP1_0_3P3(3.3V)
APQ-GPIO124 level shifted
output / input (3.3V)
APQ-GPIO84 level shifted
output / input (3.3V)
PM8996 MPP GPIO03
GND
PM8996 DIVCLK3 via
GPIO17

3.8.11 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 Dev Kit User Guide
Signal Pin
NO
BLSP1_SPI_MIS J54[5]
O (APQ-GPIO1)
BLSP1_SPI_CS J54[7]
_N (APQ-
GPIO2)
BLSP1_SPI_CL J54[9]
K (APQ-GPIO3)
EXP_IRQ_3P3 J54[11
]
APQ_GPIO84_3 J54[13
P3 ]
PM_MPP03 J54[15
]
GND J54[17
]
DIVCLK3_BUF J54[19
]

Figure 14 ANC Headphone Jack

Description
PM8996 MPP GPIO2
PM8996 MPP GPIO4
PM8996 MPP GIPO1
PM8996 MPP GIPO6
APQ GPIO127 GPIO (3.3V)
for general purpose input /
output
PM8996 GPIO13 GPIO for
general purpose input /
output
APQ GPIO134 GPIO (3.3V)
for general purpose input /
output
5V power supply max 150mA
Open-Q™ 820 Development Kit
Signal Pin
NO
PM_MPP02 J54[6]
PM_MPP04 J54[8]
PM_MPP01 J54[10
]
PM_MPP06 J54[12
]
APQ_GPIO127_3P J54[14
3 ]
PM_GPIO13 J54[16
]
APQ_GPIO134_3P J54[18
3 ]
MB_VREG_5P0 J54[20
]
32