Sierra Wireless AirPrime HL6528 Series, Руководство пользователя

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4114877 Rev 1.0 November 21, 2013 9
2. Configurations and Settings
The AirPrime HL Series Development Kit board automatically adapts to either 2.8V or 1.8V HL6528x
variants.
2.1. Development Kit
The following table enumerates and describes the jumpers and switches on the AirPrime HL Series
Development Kit.
Table 3. Jumper and Switch List
Connector/Switch Connection
CN1103
Positive audio line

Connect Pin 1 and Pin 2 with a jumper to bypass audio amplifier when using a
handset audio terminal

Connect Pin 2 and Pin 3 with a jumper to enable audio
CN1104
Negative audio line

Connect Pin 1 and Pin 2 with a jumper to bypass audio amplifier when using a
handset audio terminal

Connect Pin 2 and Pin 3 with a jumper to enable audio amplifier
CN300

Pin 1 is ADC0 input, 0-3V

Pin 2 connected to NTC on board

Pin 3 is ADC1 input,0-3V

Note that SW300 must be switched
“ADC & GPIO” to disable antenna detection
when ADC is connected to an external input

Both ADC0 and ADC1 are connected by default
CN305
Short with a jumper to enable power supply for GNSS active antenna with internal VCC
reference voltage 3.1V, or connect a separate active antenna bias voltage can to Pin 2.
This connector is shorted by default.
CN403

Connect Pin 2 and Pin 3 with a jumper for applications using a 4V power supply
unit (via CN402)

Connect Pin 1 and Pin 2 with a jumper when using a lab power supply (via
CN401 and CN400)
CN404

Connect Pin 1 and Pin 2 with a jumper for applications using a 4V power supply
unit (via CN402)

Connect Pin 2 and Pin 3 with a jumper when using a lab power supply (via
CN401 and CN400)
CN405
Short with a jumper to power ON the Development Kit.
This connector is shorted by default.
CN406

Connect Pin 1 and Pin 2 with a jumper to enable RTC backup battery for
module

Connect Pin 2 and Pin 3 with a jumper to disable and discharge RTC backup
battery

Disconnect the RTC backup battery with module by not connecting any jumpers
CN600
Short with a jumper to enable SIM2.
This connector is shorted by default.