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Development Kit User Guide
The following table describes the connectors and switches available on the development kit and the
table after describe the different connections available.
Table 2.
Connector and Switch Description
Connector /
Switch
CN402
CN401
CN400
CN700
CN602
CN202
CN902
CN901
SW602
SW601
CN1105
CN1100
CN406
CN300 (Pin 1)
CN300 (Pin 3)
CN800
CN802
CN1200
CN202 (Pin 24)
CN202 (Pin 46)
CN202 (Pin 52)
U200
CN303
CN304
CN302
CN200 and
CN201
1
This feature is only available on the HL7528 and HL7549.
2
This feature is not available on the HL8518, HL8528 and HL8529.
3
This feature in not available on the HL7518, HL7519 and HL7548.
4
This connector is not applicable for the HL8549x.
5
This feature is not available on the HL6528RDx.
6
This feature is not available on the HL6528RD and HL6528RD-G.
4114877
Description
4V, 3.75A power jack
3.7V, 4A positive lab power supply (+)
Negative lab power supply (-)
UART1 (main UART)
UART0 (SPI to UART); SW Spytracer
GPIOs (1 to 8)
GPIOs (9 to 16)
Multiplexed with other features; not compliant with
HL6528x
2
USB0 (I
C to USB, GPIO1 and GPIO5)
GNSS NMEA for HL6528x-G, and as I
on USB for HL85xxx
USB1
Reset
Power on (POK_IN); low level active 2 seconds de-
bouncing
Headset jack (RJ9). PCM Codec conversion output
or analog audio output (for HL6528x only)
Digital audio (PCM) for HL6528x, PCM signals
probe for HL75xx and HL85xxx
Real time clock backup battery
ADC0 input, 0-3V
ADC1 input, 0-3V
SIM1
SIM2
JTAG
PWM; multiplexed with GPIO12
VGPIO – reference voltage output
2G RF transmit signal (Transmit ON for LTE)
Snap-in connector
2G/3G/4G RF main connector
GNSS connector
2G/3G/4G RF diversity connector
Board to board connector (development kit to
socket board connection) (unsoldered)
Rev 5.0
HL6528x
5
5
2
C signals
6
October 12, 2015
General Description
HL75xx
HL85xxx
1
1
2
3
1
1
1
1
2
4
2
15
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