Open-Q 212A Development Kit
Open-Q™ 212A Development Kit User Guide
25
Description
Signal
Pin
#
Pin
#
Signal
Description
APQ GPIO_7
BLSP2 Bit 0
Default: I2C2_SCL
GPIO_7_BLSPx_I2C_
SCL
25
26
NC
NC
APQ GPIO_6
BLSP2 Bit 1
Default: I2C2_SDA
GPIO_6_BLSPx_I2C_
SDA
27
28
BATT_EXP_1P8
+1.8V output
(VREG_L5_1P8)
GND
GND
29
30
BATT_EXP_SYS_PW
R
SOM_SYS_PWR_
PER (SOM Power
Input)
GND
GND
31
32
GND
GND
33
34
USB_VBUS for
SOM and USB Ports
(J2901) on Carrier
Board
BATT_EXP_USB_VB
US
35
36
GND
GND
37
38
GND
GND
39
40
GND
GND
3.8.7 Power Probe Header – J86
J86 allows user to measure the power consumed by the SOM during operation. User can measure the
voltage across the 0.005Ω sense resistor (R140) and calculate the current consumed.
Pinout of J86 is
provided in below.
Figure 9 J86 Power Probe Header
Table 9 Power Header J86 Pin out
Pin #
Description
Signal
1
SOM power positive current sense line
SOM_PWR_SENSE_P
2
SOM power negative current sense line
SOM_PWR_SENSE_N
