Home > Android, Hardware, Telechips TCC89XX > $77.30 SAA-250 Telechips TCC8925 Board

$77.30 SAA-250 Telechips TCC8925 Board

Dealextreme is selling a board (Model SAA-250) featuring Telechips TCC8925 Cortex A5 processor with 1GB RAM, and 4GB Flash. They sell it as a “Android 4.0 DIY Intelligent TV Box / Advertising / Development Motherboard”, but it’s basically an Android set-top box board without casing, power supply, nor remote control, and you should not expect to do that much development (except Android app development) on it since no source code is available.

Telechips TCC8925 "Development" Board

Telechips TCC8925 “Development” Board

Here are the board specifications:

  • SoC – Telechips TCC8925 up to 833 MHz ARM Cortex A5 + 1080P VPU + Mali-400 GPU. (Dealextreme says it’s a dual core Cortex A5 up to 1.2 GHz, but if it’s TCC8925, that’s just plain wrong)
  • System Memory – 1GB RAM
  • Storage – 4GB flash + SD card slot
  • Video Output – micro? HDMI 1.3 up to 1080p + CVBS AV output
  • Video formats – RM/RMVB, MPEG, MKV, AVI, FLV, VP8 up to 1080p
  • Audio I/O – Headset input, Optical Audio SPDIF.
  • Connectivity:
    • Wi-Fi 802.11 b/g/n
    • 10/100Mbit Ethernet
  • USB – 3x USB Host + 1x USB OTG
  • IR sensor
  • Power – 5V/2A
  • Dimensions – 12.0 x 12.0 x 2.1cm
  • Weight – 91g

The board comes preloaded with Android 4.0.3. When I look at the board picture, I actually see 4x USB host and 1x mini USB OTG, and no HDMI output. I can’t not find other references to this board anywhere, so you’re probably out of luck if you want to find the original firmware. Telechips TCC8925 did release the Linux kernel and part of Android source code, so in theory Linux could run on the board as well, without GPU and VPU support. One the advantage of Telechips TCC8925 is low power consumption thanks to Cortex A5, so for example it should be possible to power the board with one USB port (no power supply needed).

The board is sold for $77.30 on DealExtreme. If you don’t really need all the extra USB ports, Ethernet or SPDIF output, you’d probably be better off with something like CX-01 mini PC that’s available for about $37.

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  1. onebir
    January 7th, 2013 at 16:01 | #1

    I wish they’d get there product descriptions right. If it was really dual core it’d be a bit more interesting…

  2. onebir
    January 7th, 2013 at 16:01 | #2

    *their

  3. January 8th, 2013 at 05:21 | #3

    “When I look at the board picture, I actually see 4x USB host and 1x mini USB OTG, and no HDMI output.”

    I think the HDMI connector is on the left in the middle.

  4. January 8th, 2013 at 09:10 | #4

    @zoobab
    I thought about that, but normally it looks like. And if it is a (mini) HDMI connector, where is the OTG port? Could it just be one of the full-sized USB port. I thought OTG was always connected to micro or mini USB port.

  5. jefraya
    February 27th, 2013 at 06:08 | #5

    I actually bought this board. There was some problems :
    - The electronic part of the optical SPDIF was not present. I only found the melt plastic case under the board… For me it was disappointing but I had an old one in an old DVD reader so I used it and it works.
    - an other problem : The WIFI does’nt work well. I can scan and find networks but when I enter the key I have message telling me the signal is not strong enough. I think there is a antenna missing. On an other board they sell I saw an antenna soit may confirm my theory. I think the WIFI device is a small board on the mother board but I need binocular to study this device.
    - Another difficulty is that there is no playstore. I didn’t try a very long time to install it but my first trys didn’t meet any success.
    In the other hand the ethernet works quite well. same thing for the HDMI (normal size) and the USB (I plugged a 2To external HDD, an USB key and a dongle for a wireless keyboard) but I didn’t try the analog audio (mic and phone 3,5mm jack)

    So, as I wanted to test android tvbox before buying a complete device, I prefered to test functions with this board. Now I have a better idea of the use I can have with this kind of equipement…

    I hope my informations could help you…

  6. February 27th, 2013 at 09:29 | #6

    @jefraya
    Thanks for providing a feedback about this board. Did you get the firmware file and/or source for the board? Usually those are provided with a “development motherboard”.

  7. jefraya
    February 28th, 2013 at 04:01 | #7

    There was only 2 sheets of paper with the board… mainly in chineese (which I don’t even read a word of course :-) with some english words disseminated… (and even if it’s not my usual language I can read it obviously). Very few informations and only in descriptive terms… This was not really helping me.

    Today I tried to put an antenna where I expected the jonction was. I used a simple wire of about 56mm but the WIFI doesn’t work better.

    I think that for the user who loock for a development board it may be better to loock at the VIA board available @ Radiospares for example (http://radiospares-fr.rs-online.com/web/p/ordinateurs-sur-plaque-unique/7689782/?searchTerm=apc+via&relevancy-data=636F3D3126696E3D4931384E44656661756C74266C753D6672266D6D3D6D61746368616C6C7061727469616C26706D3D5E5C442B5C735C442B2426706F3D3926736E3D592673743D4B4559574F52445F4D554C54495F414C504841267573743D617063207669612673633D592677633D4E4F4E4526). Sorry for the language of the dealer linked : I’m french ;-)

    As my job is electronician engineer I see more and more computers on a unique board. It’s frequently low cost ( I am a Raspberry Pi beginer ) but the main part of this market has a range of price between 200 and 400€. The most part are linux platform. I hope the next generation will be less expensive.

    About the present board I think there is really not enough informations to use it for the moment.

    Sorry for my poor english and I hope I was clear enough.

    @cnxsoft

  8. February 28th, 2013 at 10:22 | #8

    @jefraya
    Thanks for the detailed answer. I can see the price of (ARM Linux) development boards has been slashed last year. In 2011, low cost meant $150 to $200, and now prices of low cost boards range between $25 and $100. It can go a bit higher for the latest processors (e.g. based on Cortex A15 or 4x Cortex A9), but it’s usually possible to find something below $200.

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