Open-Q™ 660 HDK Hardware Development Kit based on the Snapdragon™ 660 processor User Guide Version 1.0
3.8.2 Carrier Board Expansion Connectors
The following table lists the connectors, expansions and their usages on the carrier board:
Domain
Power
Debug Serial via USB
JTAG
Buttons
NFC Board Header
Micro SD
ANC Audio Jack
3-Digital Microphone via
audio input expansion
header
3-Analog Microphone via
audio input expansion
header
2-Loud Speaker via audio
output expansion header
Earpiece via audio output
expansion header
USB 2.0 Host
USB 3.1
WLAN Antenna
Table 3.8-4 Carrier Board Expansion Options and Usage
Description
AC / Barrel charger
Battery connector
Debug Serial UART
console over USB for
development
OS / Firmware /QFROM
Programming / Debugging
JTAG
Power
Volume +
Volume –
General Purpose
20 pin NFC expansion
connectors
Micro SD card
Audio Jack
Supported using WCD9335
Audio expansion
Supported using WCD9335
Audio expansion
Supported using WCD9335
Audio expansion
Supported using WCD9335
Audio expansion
Supported using WCD9335
USB 2.0 Host
USB 3.1
1X PCB Antenna
Copyright Intrinsyc Technologies Corporation
Specification
12 V DC Power Supply
5 A
8 pin header
USB Micro B connector
Standard 20-pin connector,
ARM and OpenDSP –
Lauterbach
SMD Button
SMD Button
SMD Button
SMD Button
NA
4bit Micro SD card support
ANC audio jack providing
2lineout and 1 headset
drivers (shared with ANC)
Digital Audio header
Analog Audio header
Analog Audio header
Analog Audio header
Type-A dual port header
Type-C header
2.4 – 5 GHz
20
Usage
Power Supply
For providing power from
4.35V/3000mAh battery
Development Serial
Connector for debug output
via USB
QFROM / eMMC / Platform
EEPROM programming
ARM / Open DSP
debugging
Power Button for Suspend /
Resume and Power off
Volume +Key
Volume – Key
Reserved button for general
purpose
NA
External Storage
Audio support
For Digital audio input for
Digital MIC, I2S codec, Slim
bus interface.
For Analog audio input for
Analog MIC (differential
signal)
For loud speaker output
after signal has been
processed
For earpiece output after
signal has been processed
For Mouse and Keyboard
Transfer data to and from
CPU
Antenna to Carrier board
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