Open-Q™ 624A Development Kit
Open-Q™ 624A Development Kit User Kit
30
Following is the pin breakout for sensor expansion header J53:
Table 3-10 Sensor Expansion Header J53 Pin out
Description
Signal
Pin # Description
Signal
Pin #
Sensor I2C Bus –
SDA (GPIO 6)
GPIO_6_BLSPx_I2C_SDA
J53[1]
Accelerometer
interrupt input to
processor via
GPIO42
SENSOR_ACCEL_INT
J53[2]
Sensor I2C Bus –
SCL (GPIO 7)
GPIO_7_BLSPx_I2C_SCL
J53[3]
Cap interrupt
input to
processor via
GPIO65
SENSOR_CAP_INT_N
J53[4]
Sensor reset signal
from processor to
sensor via GPIO127
GPIO_XX_SENSOR_RST
J53[5]
Gyroscope
interrupt input to
processor via
GPIO45 *NOTE:
Not populated by
default.
SENSOR_GYRO_INT
J53[6]
Sensor IO PWR 1.8 V
VREG_L6_1P8 power
supply regulator
(Digital)
VREG_L6_1P8
J53[7]
Sensor Analog
power supply
from
VREG_L10_3P0.
3.0V or 3.3V (If
R160 populated,
R159 removed)
SENS_ANA_PWR
J53[8]
GND
GND
J53[9]
GND
GND
J53[10]
HRM interrupt/
configurable GPIO140
SENSOR_HRM_INT
J53[11] Touch screen
interrupt input
from processor
via GPIO13
TS_INT_N
J53[12]
Magnetic Switch
Interrupt input to
processor via GPIO48
GPIO_48_SPI6_CS1_MAG_N J53[13] Alternate sensor
interrupt input to
processor via
GPIO43
SENSOR_ALSP_INT_N
J53[14]
NC
NC
J53[15] Digital Compass
interrupt input to
processor via
GPIO44. *NOTE:
Not populated by
default.
SENSOR_MAG_DRDY_INT J53[16]
NC
NC
J53[17] Pressure Sensor
interrupt input to
processor via
GPIO46. *Note,
by default, this
pin is used for
another purpose.
To use for this
purpose, remove
R311.
GPIO_XX_PRESSURE_INT J53[18]