4114877
Rev 5.0
October 12, 2015
13
Development Kit User Guide
General Description
2.2.1.
Features
Interfaces available on the development kit board include:
Power supply connectors
ON/OFF switch and pushbutton
Reset pushbutton
Tests points (TP) to access all signals of the embedded module
Main serial link RS232, UART1 with full signals including a Ring Indicator signal
Auxiliary serial link RS232, UART0 with 4 signals
Full Speed USB0 Connector (I
2
C signals conversion for GNSS on HL6528x-G modules)
Full Speed USB1 Connector (for HL6528RDx, HL75xx and HL85xxx only)
2 SIMs (with SIM presence management)
SIM 1: selectable 1.8/3V or SON8 embedded SIM (unsoldered by default)
SIM 2: 1.8/3V SIM
Audio connectors, selectable for PCM conversion output or analog output from the HL module
GPIOs
DIP switches for GPIO logic input/output control
LEDs for several indications
Automatic detection and adaptation to either 2.8V or 1.8V module variant (for HL6528x only)
External board-to-board connectors (unsoldered by default)
Back up battery and discharge circuit
JTAG connector
Main RF connector antenna
Diversity 4G RF connector antenna
GNSS connector antenna
Snap-in connector (for plugging in the HL module; note that this connector is not applicable to
the HL8549x)
Refer to section 3 Interfaces for detailed information about these interfaces.
2.2.2.
Connectors and Component Placement
Refer to the following figure for the location of connectors and other components on the AirPrime HL
Series Development Kit.
Summary of Contents for 1400897-I
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