Intrinsyc Open-Q 820 User Manual page 26

Open-Q™ 820 (APQ8096) / 820Pro (APQ8096SG) µSOM Development Kit User Guide Version 1.4
Following is the pin breakout for sensor expansion header J53.
Description
SSC I2C-3 serial
data
SSC I2C-3 serial
clock
Sensor reset signal
from processor to
sensor via GPIO80
Sensor IO PWR 1.8
V
VREG_LVS2A_1P
8 power supply
regulator (Digital)
GND
HRM interrupt/
configurable
GPIO122
SSC SPI-1 chip
select 2
NC
NC
SSC SPI-1 chip
select 1
SSC SOI-1 clock
Table 3.8-3 Sensor Expansion Header J53 Pin out
Signal
SSC_I2C_3_SDA
SSC_I2C_3_SCL
MEMS_RESET_N
SENS_IO_PWR
GND
HRM_INT
SSC_SPI_1_CS1_MAG_
N
NC
NC
SSC_SPI_1_CS_N
SSC_SPI_1_CLK
Copyright Intrinsyc Technologies Corporation
Pin Description
NO
J53[1] Acceleromete
r interrupt
input to
processor via
GPIO117
J53[3] Cap interrupt
input to
processor via
GPIO123
J53[5] Gyroscope
interrupt input
to processor
via GPIO118
J53[7] Sensor
Analog power
supply from
VREG_L19A
2.85V or 3.3V
(If R160
populated)
J53[9] GND
J53[11 Touch screen
] interrupt input
from
processor via
GPIO125
J53[13 Alternate
] sensor
interrupt input
to processor
via GPIO120
J53[15 Digital
] Compass
interrupt input
to processor
via GPIO119
J53[17 NC
]
J53[19 SSC SPI-1
] data master
out/ slave in
J53[21 SSC SPI-1
] data master
in/ slave out
26
Signal Pin
ACCEL_INT_N J53[2]
CAP_INT_N J53[4]
GYRO_INT J53[6]
SENS_ANA_PWR J53[8]
GND J53[10
]
TS_INT0 J53[12
]
ALSPG_INT_N J53[14
]
MAG_DRDY_INT J53[16
]
NC J53[18
]
SSC_SPI_1_MOS J53[20
I ]
SSC_SPI_1_MIS J53[22
O ]
NO