Open-Q™ 820 Carrier Board Expansion Connectors; Table 3.8-2 Carrier Board Expansion Options And Their Usage - Intrinsyc Lantronix Open-Q 820 User Manual

Function
WATCHDOG _DISABLE
N/C
GPS_ANT_SEL
Warning!: Before making any changes to the dip switch, make sure to note down the previous configuration.
The default switch settings are below.
3.8.2 Open-Q™ 820 Carrier Board Expansion Connectors
Table 3.8-2 lists the connectors, expansions and their usages on the carrier board:

Table 3.8-2 Carrier Board Expansion Options and Their Usage

Domain
Power
Debug Serial via USB
JTAG
Buttons
Volume Keys
Open-Q™ 820 Dev Kit User Guide
DIP
Switch Description
Enables WATCHDOG_DISABLE when DIP
switch turned on. Controlled by APQ-GPIO
S10-6 101
S10-7 NA
Option to select which antenna to use for GPS.
When DIP switch ON GPS external antenna is
being used (SMA connector). When switch
OFF, GPS printed antenna is being used (on-
S10-8 board)
Description
AC / Barrel charger
Power connector
Debug Serial UART console over
USB for development
OS / Firmware /QFROM
Programming / Debugging JTAG
General Purpose SW button
Power Button
Volume + key
Notes
Default out of the box configuration is OFF
NA
Default out of the box configuration is OFF
Specification
12 V DC Power Supply
5 A
20 pin header
Vertical USB Micro B connector
Standard 20-pin connector,
ARM and OpenDSP – Lauterbach
SMD Button
SMD Button
SMD Button
Open-Q™ 820 Development Kit
Usage
Power Supply
For providing extra current to
camera connectors when
needed (ie: when high
performance cameras used)
Development Serial
Connector for debug output
via USB
QFROM / eMMC / Platform
EEPROM programming
ARM / Open DSP debugging
Note : JTAG is not supported
Additional button for general
purpose
Power Button for Suspend /
Resume and Power off
Volume +Key
20