Open-Q 212A Development Kit
Open-Q™ 212A Development Kit User Guide
27
Description
Signal
Pin
#
Pin
#
Signal
Description
GND
GND
10
9
MB_ELDO_CAM1_V
CM
CAM1 VCM
LDO (U10) output
3V3 Rail
MB_VREG_3P3
12 11
VREG_L4_1P8
PMI8916-1
VREG_L4
PMI8916-1
VREG_L10
VREG_L10_2P85
14 13
NC
NC
GND
GND
16 15
VREG_L11_SDC
PMI8916-1
VREG_L11
3V3 Rail
MB_VREG_3P3
18 17
VREG_L4_1P8
PMI8916-1
VREG_L4
12V from J300
DC_IN_12V
20 19
MB_VREG_5P0
5V LDO (U1) output
3.8.9 Debug Serial UART – J22
The UART debug console can be accessed via J22 (USB micro-b). The UART signals are translated to USB
signal by the FTDI FT232RQ chip on the carrier board. Please ensure the
been installed on your PC.
Note
: This port provides access to the APQ UART interface only, for ADB function,
please use J2901. See Section 3.8.24.
Figure 11 J22 Debug UART over USB
The following DIP Switch needs to be set in order to use the UART: