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Inforce 6540™ Single Board Computer SBC

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Inforce 6540™ Single Board Computer SBC

Snapdragon 805 based compact SBC

  • Quad core Krait 450 CPU running at 2.7GHz
  • Adreno 420 GPU @4.8 Giga Pixels/second for excellent graphics
  • Hexagon DSP v50 @600MHz for low power computer vision and audio processing
  • Dual Image Signal Processors (ISPs) @1.2GP/s and support for 3 cameras

Excellent video and connectivity options!

  • 4K Ultra HD video w/ HEVC playback & H.264 capture
  • Dual MIPI-DSI (4-lane) & touch screen
  • Dual MIPI-CSI (4-lane) and support for 3 cameras up to 55 MP
  • Micro-HDMI
  • WiFi/BT/GbE/SATA/GPS connectivity
  • Accel. and Gyro sensors
  • Drivers for common peripherals
  • Android and Linaro BSP support
  • Just plug and play

Block Diagram

6540 Block Diagram



The Snapdragon 805 processor supports superior performance and rich multimedia capabilities with low power consumption. It brings a long list of high-end features to the most demanding embedded computing applications:

  • Faster performance and more multitasking with quad-core Qualcomm® Krait™ 450 CPU at up to 2.7 GHz per core (ARM®v7 ISA compatible)
  • 4K Ultra HD video with HEVC (H.265) playback and H.264 capture for bandwidth and power efficiency
  • Dual image signal processors (ISPs) with ~1GP/s throughput and image sensors up to 55 MP
  • New Qualcomm® Adreno™ 420 GPU with up to 40% increase in graphics and compute performance compared against the previous generation
  • Qualcomm® Hexagon™ DSP V50 (up to 800MHz)
  • Tight system integration and optimization for superior performance and power efficiency
  • Worldwide ecosystem of Snapdragon embedded device developers

Processing power, Memory, and Storage

  • Qualcomm® Snapdragon™ 805 (APQ8084 SoC)
  • 3 GB on-board DDR3 (PCDDR3 533MHz)
  • 16GB eMMC v4.5/5.0 (support up to 64MB)
  • Onboard 6-axis sensors (Accelerator/Gyroscope)

Audio, Video, Interface, and Connectivity

  • Audio 4x Line out, 3x Mic-in, 1x headphone out 8-channel 7.1 surround sound, Dolby Digital plus, Dolby True HD and DTS-HD via HDMI
  • 4K Ultra HD video w/ HEVC playback & H.264 capture
  • 2x MIPI-DSI (4-lane) & touch screen, 3x MIPI-CSI (4-lane)
  • 1x µHDMI (Type D), 1x µSD card slot, SATA3
  • 2x USB 2.0 (host), 1x USB 3.0 (micro B, device mode)
  • 1x USB 3.0 type A (host), 1x PCIe, SDC, SLIMBUS
  • BT 4.1 , 2x dual band Wi-Fi, GPS
  • 1x Expansion header (I2C, SPI, UART, GPIOs, MPPs)
  • 1x JTAG, 1x RS-232, 1x GPS antenna connector

Power, Mechanical, and Environmental

  • Power: +12.0V DC Input socket
  • Dimensions: 10cm x 7cm (Pico-ITX)
  • Operating Temp: 0 to 70 C
  • Storage Temp: -20 to 80 C
  • Relative Humidity: 5 to 95% non-condensing
  • RoHS and WEE compliant

Snapdragon 805

Build the most advanced embedded systems using superior multicore performance, immersive 3D graphics, and a superior energy efficient platform for exceptionally long battery life and smaller industrial designs.

The Snapdragon 805 processor offers rich multimedia capabilities, energy efficiency, integrated connectivity and heterogeneous computing for high-end mobile computing in embedded products. Additionally, Snapdragon offers a clear product release path for embedded device OEMs and developers – starting with single-board computers and development kits and scaling up to larger solutions, integration services and production-ready, customizable system-on-modules (SOM).


  • Quad core Krait 450 CPU (ARM®v7 ISA compatible) running at 2.7GHz for processor-intensive computing
  • Adreno 420 GPU @4.8 Giga Pixels/second for excellent graphics: 4K Ultra HD output to HDTV for improved picture sharpness with an amazing level of detail at higher speed
  • Hexagon DSP v50 @600MHz for low power computer vision and audio processing
  • Dual Image Signal Processors (ISPs) @1.2GP/s and support for 3 cameras for computer vision and image capture

If these are your requirements, embedded systems powered by Snapdragon 805 processors will make it easier.

Snapdragon 805


Snapdragon 805: Krait 450 CPU performance


Snapdragon 805 Krait


Snapdragon 805


Snapdragon 805: Hexagon DSP for power efficiencies

Offloading appropriate portions of an augmented reality algorithm to QDSP6 not only frees up CPU core horsepower but also improves processing speed and decreases overall SoC power consumption.

Snapdragon 805

Android 5.x (Lollipop) BSP release

  • Periodic Android based BSP releases include in-depth documentation along with a host of royalty-free multimedia codecs

Ubuntu Linux BSP Release

  • An Ubuntu-based  Build that provides a terminal-like environment using Ubuntu Linux and the GNome terminal on the Inforce 6501 development kit.
  • Periodic upstream Kernel (currently v3.10.40) based BSP releases include in-depth documentation along with a host of royalty-free software.

The full-featured release has support for the following peripheral devices and I/Os (All features may not be supported on Android/Linux):

  •    Snapdragon™ 805 processor Quad-core CPU running at 2.7GHz
  •    USB 2.0 and USB 3.0 based input and mass storage devices
  •    WiFi/BLE 4.1/GPS
  •    Gigabit Ethernet
  •    Micro SD card interface
  •    HDMI display and digital audio
  •    MIPI-DSI based displays with touch screen support
  •    Qualcomm Hexagon™ package update
  •    MIPI-CSI - 13MP Sony IMX135 camera sensor
  •    Serial UART and Analog audio


Software and SDKs from Qualcomm and other 3rd parties that work with Inforce’s Snapdragon based platforms include:


  • Early access to leading edge APIs and next generation features. 
  • A product roadmap that keeps developers on the latest technology curve from Qualcomm


Inforce 6540 Datasheet Download
The Inforce BSP Explained Download
Inforce 6540 Android Release Note Download
Inforce 6540 Linux Release Note Download
Accessing BLSPs in the Snapdragon 805 Processor (Inforce 6540 SBC) — A Tech-note Download

Secure Downloads

Datasheets Version Size Uploaded On
APQ8084 Chip Datasheet Rev B 1.17 MB 2015-06-30 13:44:06 Download
Inforce6540 Datasheet Rev D Rev D 314 KB 2015-04-23 17:01:00 Download
User Guides Version Size Uploaded On
Android Programming Guide Rev B 290 KB 2015-07-13 06:41:00 Download
ACC-1B30 Enabling Display Kit on Inforce 6540 Rev A Rev A 657 KB 2015-02-06 10:24:14 Download
Inforce6540 User Guide Rev A Rev A 2.23MB 2014-12-01 10:00:00 Download
Inforce 6540 Android Programming Guide Rev A Rev A 386KB 2014-10-28 06:41:00 Download
Inforce6540 Quick Start Guide Rev A Rev A 1.30MB 2014-04-30 10:02:00 Download
Application Notes Version Size Uploaded On
APQ8084 Configure BLSP Port Application Note Rev D 410 KB 2015-07-07 17:44:08 Download
Software Releases Version Size Uploaded On
Inforce 6540 Ubuntu Linux Release Notes Rev A Rel V 1.0 484 KB 2015-01-23 11:38:59 Download
Inforce 6540 Release Notes Rev A Rel V.1.1 510 KB 2014-11-14 13:58:45 Download
Inforce6540 Release Notes Rev A Rev A 468KB 2014-07-29 06:39:00 Download
Reference Manuals Version Size Uploaded On
Inforce 6540 ProductChange Notice Rev A 234 KB 2017-02-16 16:45:08 Download
Hardware Document Set APQ8084 SBC Rev D 20.5 MB 2015-07-08 16:45:08 Download
Software Document Set APQ8084 SBC Rev A 3.55 MB 2015-07-08 16:44:08 Download
Inforce 6540 APQ8084 OMX IL Video Encoder Linux Android Rev A 691 KB 2015-06-01 00:43:25 Download
Inforce 6540 APQ8084 OMX IL Video Decoder Linux Android Rev A 559 KB 2015-06-01 00:43:24 Download
Inforce6540 Software Document Set APQ8084 SBC Rev A 3.55 MB 2014-12-19 12:00:00 Download
IFC6540 Hardware Reference Manual Rev C Rev C 3.39 MB 2014-12-19 12:00:00 Download
Inforce 6540 Software(Register)Interface Document Set APQ8084 SBC Rev C Rev C 116MB 2014-12-01 11:36:07 Download
Inforce 6540 Hardware Document Set APQ8084 SBC Rev D Rev D 20.5MB 2014-11-25 10:49:37 Download
Snapdragon 805 Product Brief Rev A 1.91MB 2014-04-30 10:08:00 Download


1. What is Inforce654X?

The Inforce 654X is a powerful, yet ultra-small and cost-effective single-board computer solution for embedded developers in a convenient Pico-ITX standard form factor. The Inforce 654X provides developers access to the rich I/O and computing features of the latest Qualcomm® Snapdragon™805 System-on-Chip (APQ 8084), with quad-core processors each running at 2.7GHz. It provides incredible interfaces such as dual MIPI-DSI displays, 3 x MIPI-CSI cameras, GPS, and sensors. It provides an excellent development environment for a variety of unique Android and Linux based multimedia applications inwearable hands-free computing, smart office, robotics, and portable medical imaging.

2. Does Inforce offer other form factors based on Qualcomm Snapdragon 805?

Yes. Several exciting smaller form factor products based on the Snapdragon805 are currently under development. Please stay tuned for the announcements on our website.

3. What do I get when I buy one Inforce654X? Is the device available internationally?

Please check on the exact product SKU for the pre-loaded software, available memory and accompanying accessories like acrylics, power adapters and cables. For example, the Inforce 6540 is a full development kit, which includes a few accessories such as an acrylic case, power adapters, and cables. Once you register the product with us online, you would get dedicated support from Inforce.
The board ships to most places worldwide and relevant shipping and local tax charges may apply. Please contact for pricing details.

4. How do I find more information about the Inforce 654X?

You may contact for any additional questions that you may have before buying an Inforce 6540.

5. Does Inforce have a blog?

Yes! You can find our periodic blogs at Here you can keep up with all of the latest information about Inforce products, conference appearances, and innovative customer applications.

6. Does Inforce offer Warranty replacement/return materials authorization (RMA)?

Yes, please contact our sales team at for specific details for your product.


7. What are the accessories available?

The website lists all available accessories, User guides are also available for all relevant accessories.

8. Does the board support a cellular or GSM connection?

The Inforce 654X does not include a wireless modem

9. What is the storage capacity of the Inforce654X? Is it expandable?

The on board storage (eMMC) capacity is 4GB expandable to 64GB. Product SKUs with both these memory options are available. Storage can be expanded by connecting a Micro-SD card or connecting a SATA Hard drive. The SATA Hard drive can be powered from the on-board power header if the current ratings are sufficient.

10. What are the performance details of the Inforce654X? What is the speed of the RAM?

The standalone Inforce654X provides Quad-core Krait 450 CPU processing of up to 2.7 GHz per core with 2MB L2 cache.The Adreno420 GPU includes dedicated tessellation hardware and is capable of 160 GFLOPS of general purpose compute and provides support for OpenGL ES 3.1 and OpenCL 1.2 full profile.Do note that these libraries are provided as binaries only.
The onboard High speed LPDDR3 RAM runs at 800Mhz.The platform comes with 3GB LPDDR3 memory.
AnTuTu scores for the Inforce 654X platform running Android is ~36000. All our Android releases are also validated with the Trepn™ Profiler to ensure that all cores are capable of operating at their maximum frequency.

11. What types of displays are supported and at what resolution?

Upto 3 concurrent displays (2 panels + 1 external) are possible on the APQ8084. The capabilities are listed below:

  • MIPI_DSI – Two displays; 4-Lane + 4-Lane.
  • eDP – V1.2 4-Lane
  • HDMI – V1.4a

Possible combinations:

  • 4096x2160@60Hz + 4096x2160@24Hz OR 3840x2160@30Hz
  • 2048x1536@60Hz + 1920x1200@60Hz + 4096x2160@24Hz OR 3840x2160@30Hz
  • 2560x2048@60Hz + 1920x1200@60Hz + 1920x1080@60Hz
  • 1920x1080@120Hz is also possible on HDMI.

The Inforce 6540 development kit has one MIPI-DSI port and a micro HDMI port. Note that the above displays are not provided as peripherals with the Inforce654X. They can be purchased from


12. What are the capabilities of the video Decoder/Encoder?


Supported Codec

Container Format



Video Decoding

HEVC (H.265)

3GPP (.3gp)
MPEG-4 (.mp4)

Main profile, level 5.1


H.264 AVC hw accelerated

3GPP (.3gp)
MPEG-4 (.mp4)

High profile level 5.1





MPEG-4 SP hw accelerated

3GPP (.3gp)

Adv Simple profile level 5




Adv Simple profile level 3


DivX 4, 5, 6/MP2



DivX 3.11 Hardware-based




WebM (.webm)
Matroska (.mkv



Video Encoding


3GPP (.3gp)
MPEG-4 (.mp4)

Profile 0 level 70


H.264 AVC

3GPP (.3gp)
MPEG-4 (.mp4)

High profile level 5.1




Adv Simple profile level 8


Please refer to for supported codecs from Android.


13. What are the camera capabilities of Inforce 654X?

The Inforce 6540 SBC has 2 camera connectors that support 4 lanes from CSI0, 4 lanes from CSI1 and 4 lanes from CSI2.
The camera interface to the APQ8084is through three combo PHYs and four CSIDs with each combo PHY supporting upto 4-lane configuration. The camera port MIPI lane configuration could be 4/4/2/1 or 4/4/1/1 or 4/4/4 modes. It has dual ISP that can be used in parallel for high throughput or used individually for concurrent processing. Three cameras totaling up to 55MP can thus be supported with the maximum real-time sensor input resolution per camera being 21MP.Inforce platforms have been validated with the Sony IMX135 13MP camera module. Note that the camera is not provided as part of the Inforce654X kit. It is an accessory and can be purchased from

14. How much power does the board draw? Is it possible to measure the power?

The Inforce 654X is powered by a 12V/3A wall adaptor. The total power consumed is approximately ~14W when all peripherals are being used and all 4 cores running at full speed. There are no test points made available to measure run-time power on the stock board. Pleasenote that we do run the Trepn profileras part of our validation process on all our stock Android releases.

15. What are the audio capabilities?

Audio is available through HDMI, USB and speaker out. The Inforce 654X also comes witha microphone for recording. The HDMI has an 8 channel audio with 7.1 channel surround sound, with support for Dolby digital plus, Dolby True HD and DTS-HD master. The Inforce 6540 has a combo jack for microphone and speaker out.

16. What are the sensor capabilities?

A 3D accelerometer and 3D gyroscope are available through the LSM330D part from STMicro on board. Inforce has an Arduino adapter board designed for the IFC6540 SBC on which education and Dragon sensor connectors are provided.The adapter card has three onboard sensor ICs and one PLCC socket for sensor applications. Accelerometer, gyroscope, magnetic compass and pressure sensor are the sensor ICs while the STEVAL-MKI128V2 module can be attached to the PLCC socket.Note that the Arduino adapter card is not provided as part of the Inforce654X kit. It is an accessory and can be purchased from

17. What documents are providedwith the Inforce 654X? Are board design files also provided?

We provide datasheets and a Hardware Reference Manual. Schematics are not provided for the Inforce654X. Board design files are proprietary and confidential and hence not provided.
All software releases are accompanied with release notes, user guides and application notes that describe the installation procedure. Apart from these, all technical questions addressed to are promptly answered once the product is registered with us.

Networking, IO and Wireless

18. Does the device support networking and wireless?

Supported connectivity includes Gigabit Ethernet. Wi-Fi 802.11ac + Bluetooth 4.1(available viaQualcomm Atheros QCA6174) and GPS (supported via Qualcomm Atheros QCA1530).

19. How can I change the MAC address for WiFi/BT/Ethernet on my Board?

MAC addresses are fixed at the factory. Changing them should not be necessary since the correct addresses are programmed before the board is shipped. We are validating the procedures and we shall soon have it documented on our website.

20. What are the IO interfaces available?

Standard I/O interfaces including GbE, I2C, SPI, UART, MPP, GPIOs, and on-board Serial Console are available. It also includes one USB 3.0 host port andonemicro USB 3.0 device mode only portapart from a USB 2.0 port.A 40 pin expansion header with accessible GPIOs are available for users.

21. My serial console shows garbage characters. What could be wrong?

The serial port could be incorrectly configured. Please note that the correct settings are - 115200, 8, N, 1, No HW flow control. Please also check your connections as described below. To connect the serial console on Inforce654X board we would need to have a three pin connector and wiring as described below:
Take wires from the DB9 port and connect it to the RS232 header on board
DB9 TX ---------- 6540 R1IN
DB9 RX ---------- 6540 T1OUT
DB9 GND ----------6540GND


22. What operating systems are supported and what is the OS roadmap?

BSPsfor Android versions 4.1, 4.2 and 4.4 are available as officially supported packages on the Inforce TechWeb. BSP on Android Lollipop would be available shortly. Please stay tuned for the announcements on our website.
The Linux community has made significant progress and multiple successful projects have taken off because of the community support for Linux on Inforce development kits.An Ubuntu-based Linaro Member Build is available, which provides a desktop like environment using Ubuntu and the Gnome desktop. This package is also officially supported via the Inforce TechWeb. Monthly releases are provided with feature improvements on this package. Please visit for more information

23. Is root access possible? Could you please explain how to get root privileges in Android?

Yes. Android derives from the Linux kernel, and hence rooting an Android device gives similar access administrative permissions as on Linux. Please run the commands below in adb shell to get root privileges
#adb root
#adb remount

24. Is fastboot supported? How to enter fastboot?

Yes. To go to fastboot mode, press the Vol- button (label 3 on the QSG document for Inforce 6540 ) before powering on the board.

25. I've modified the boot partitions on my board and the board is no longer booting. What should I do?

If the eMMC partitions have been erased or the partition table has been corrupted, you may have to RMA the board back to Inforce Computing. In particular, please avoid erasing the SBL partition.

26. How can I get kernel debug messages?

Connect the device's serial port to the host PC. Refer to Question 16 for connection configuration. Boot into fastboot mode and issue the following command – fastboot -c "console=ttyHSL0,115200n8r androidboot.hardware=qcom" boot boot.img Debug messages should start to show up.

27. Why isn’t Google Play (previously Android Market) available on my board?

Google Play (previously Android Market) is part of Google Mobile Services(GMS) and is licensed separately from Google. This is usually available on commercial Android devices. Our hardware is capable of meeting requirements of the Google Test Suite that would lead to GMS certification. We have not gone through the GMS certification process for our product.
Nevertheless, it is possible to sideload any Android application using the following commands:
#adb devices
#adb mount
#adb remount
#adb install apk

Inforce Computing offers a range of off-the-shelf accessories that enable you to re-create system configurations that your customers need. These accessories are custom built by Inforce and are supported with a strong roadmap. The accessories listed below are suitable for the Snapdragon 805 based SBC.



A 4” MIPI-DSI Display with touch screen and an adapter card to interface with the 51-pin MIPI-DSI connector available on Inforce SBCs and development kits. This display accessory kit supports 480RGB × 854 dots and full viewing angle. A 51-pin JF08 cable is also included in this kit.

Inforce ACC-1H10 5MP MIPI-CSI Camera Adapter Board


Software support to be added.

ACC-1H10 is a YUV format camera module that uses Omnivision’s OV5640 sensor. FullHD H264 video recording at 30fps and 5 Mega Pixel JPEG image capture is possible with this accessory. Low power consumption and a small form factor makes it an ideal camera peripheral. Features include anti-shake technology, AF Control, integrated JPEG compression engine, and automatic image control functions. The accessory comes with the necessary cable to interface with the Inforce 6540 SBC.

Additional Info


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