Open-Q™ 820 (APQ8096) / 820Pro (APQ8096SG) µSOM Development Kit User Guide Version 1.4
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Copyright Intrinsyc Technologies Corporation
3.8 Open-Q 820 / 820Pro µSOM Carrier Board
The Open-Q 820 / 820Pro µSOM Carrier board is a Mini-ITX form factor board with various
connectors used for connecting different peripherals. The following are the mechanical
properties of the carrier board:
Dimensions
289 cm
2
(170mm x 170mm)
Form Factor
Mini-ITX
Major Interfaces
See
board interfaces
3.8.1 Dip switch S10 Configuration Options
There is a DIP switch S10 on the top side of the Open-Q 820 / 820Pro µSOM carrier board.
The 8-bit switch allows the user to control the system configuration and boot options. Table
3.8-1 below outlines the pin outs and connections of this DIP switches.
Table 3.8-1 Dip Switch HW / SW configuration
Function
DIP
Switch
Description
Notes
FORCED_USB_BOOT S10-1
Toggles between FORCE USB boot
and EDL mode. Enables FORCE
USB (GPIO 57) when DIP switch
turned on
Default out of the box
configuration is OFF which is the
EDL mode
Note:
FORCE USB boot option
not supported by Intrinsyc
NC
S10-2
N/A
N/A
BOOT_CONFIG[3]
S10-3
Enables APQ boot configuration 3
when DIP switch turned on.
Controlled by APQ GPIO104
See schematic for boot configuration
options.
NOTE: µSOMe boot configurations
are not supported on the
development kit.
Default out of the box
configuration is ON
BOOT_CONFIG[2]
S10-4
Enables APQ boot configuration 2
when DIP switch turned on.
Controlled by APQ-GPIO103
Default out of the box
configuration is OFF
BOOT_CONFIG[1]
S10-5
Enables APQ boot configuration 1
when DIP switch turned on.
Controlled by APQ-GPIO 102
Default out of the box
configuration is OFF
WATCHDOG
_DISABLE
S10-6
Enables WATCHDOG_DISABLE
when DIP switch turned on.
Controlled by APQ-GPIO 101
Default out of the box
configuration is OFF
N/C
S10-7
NA
NA
GPS_ANT_SEL
S10-8
Option to select which antenna to
use for GPS. When DIP switch ON
GPS external antenna is being used
(SMA connector). When OFF, GPS
printed antenna is being used (on-
board)
Default out of the box
configuration is OFF