Table 3.8-6 Sensor Expansion Header J53 Pin Out - Intrinsyc Lantronix Open-Q 820 User Manual

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_1P8
power supply regulator
(Digital)
GND
HRM interrupt/
configurable GPIO122
SSC SPI-1 chip select
2
MISC GPIO for sensor
via GPIO84
NC
SSC SPI-1 chip select
1
SSC SOI-1 clock
NC
Open-Q™ 820 Dev Kit User Guide

Table 3.8-6 Sensor Expansion Header J53 Pin out

Signal Pin
NO
SSC_I2C_3_SDA J53[1]
SSC_I2C_3_SCL J53[3]
MEMS_RESET_N J53[5]
SENS_IO_PWR J53[7]
GND J53[9]
HRM_INT J53[11]
SSC_SPI_1_CS1_N J53[13]
APQ_GPIO84 J53[15]
NC J53[17]
SSC_SPI_1_CS_N J53[19]
SSC_SPI_1_CLK J53[21]
NC J53[23]
Description Signal
Accelerometer interrupt ACCEL_INT_N
input to processor via
GPIO117
Cap interrupt input to CAP_INT_N
processor via GPIO123
Gyroscope interrupt GYRO_INT
input to processor via
GPIO118
Sensor Analog power SENS_ANA_PWR
supply from
VREG_L19A 2.85V or
3.3V (If R160 populated)
GND GND
Touch screen interrupt TS_INT0
input from processor via
GPIO125
Alternate sensor ALSPG_INT_N
interrupt input to
processor via GPIO120
Digital Compass MAG_DRDY_INT
interrupt input to
processor via GPIO119
NC NC
SSC SPI-1 data master SSC_SPI_1_MOSI
out/ slave in
SSC SPI-1 data master SSC_SPI_1_MISO
in/ slave out
SSC power enable SSC_PWR_EN
Open-Q™ 820 Development Kit
Pin
NO
J53[2]
J53[4]
J53[6]
J53[8]
J53[10]
J53[12]
J53[14]
J53[16]
J53[18]
J53[20]
J53[22]
J53[24]
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