Sierra Wireless 1400897-I, User Manual

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4114877 Rev 5.0 October 12, 2015 17
Development Kit User Guide General Description
Connector/Switch Connection
CN804
Short with a jumper to enable SIM switch control.
This connector is open by default. If shorted with a jumper, the embedded SIM on the
development kit (U805) will be connected to the SIM1 interface of the embedded
module.
Note that this feature is only available on the HL85xxx.
CN901
Short with a jumper to enable USB1 port (this feature is not available for the
HL6528x).
This connector is shorted by default.
SW1000

Switch to “OUT” to disable GPIO1 to GPIO8 (default setting)

Switch to “IN” to enable GPIO1 to GPIO8
SW1001

Switch to “HIGH” to enable GPIO1 to GPIO8 pull up

Switch to “LOW” to enable GPIO1 to GPIO8 pull down
SW1100

Switch
to “ANALOG” for analog audio out

Switch
to “PCM” for PCM audio out through the PCM analog audio converter
SW1101

Switch
to “ON” to enable amplifier for audio out

Switch
to “OFF” to disable amplifier for audio out
SW300

Switch to
“ANTENNAS DETECTION ENABLE” for antenna detection

Switch
to “ADC & GPIO” for ADC application (default setting)
SW301

Switch to
“GSM FAULT TO VCC” for antenna fault simulator to VCC

Switch to
“GSM FAULT TO GND” for antenna fault simulator to GND
SW302

S
witch to “GPS ANT DETECT” for GNSS antenna detection (only active for
GNSS port on the Development Kit)

S
witch to “GPS ACTIVE ANT SUPPLY ENABLE” to enable GNSS active
antenna supply (default setting)
SW400 Discharge button for RTC battery. For internal Sierra Wireless use only.
SW500

Switch to “1.8V” to manually detect the HL6528-1.8V module type (not used)

Switch to “2.8V” to manually detect the HL6528-2.8V module type (not used)
SW501

Switch to “HL6528-G” to manually detect the HL6528x module type (not
used)

Switch to “HL8548-G” to manually detect the HL75xx, HL85xxx module type
(not used)
SW600

Switch to “UART0” for UART applications (default setting)

Switch to “GPIO” for other GPIO applications (not available for the HL6528x)
SW603
Note: This switch only has a bearing when using an HL85xxx module. The
UART0/debug interface will always function as an SPI to UART interface
regardless of this switch’s setting when using an HL6528x; it has no
effect when using an HL75xx.

Switch to “SPI/UART0” to use the UART0 interface/debug port of the
HL85xxx

Switch to “SPI” to use the SPI interface of the HL8518, HL8528 or HL8529
SW800

Switch to “SIM2 & GPIO” for SIM2 applications (default setting)

Switch to “PWM” for PWM applications
SW900

S
witch to “I2C” for I
2
C applications (default setting)

S
witch to “GPIO” for GPIO1 and GPIO5 applications