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CC2400 Help....

Andrew Griffiths
Prodigy 60 points
Other Parts Discussed in Thread: CC2400, CC2500, CC2430

Forgive my ignorance in this matter, I have only previously worked with software, but my colleagues and I are building a multiple antenna system and we are looking at the CC2400 as it incorporates many attributes that we require, such as an ADC, and easy interface with a microcontroller.

I was wondering if it was possible to work many of these chips alongside each other in parallel? I noticed that there is an SCLK input, and assumed that this was the reason for its existence, but wanted to double check. We would be using up to 5 in parallel.

Thanks

Andy

  • 0
    TI__Expert 3595 points

    The SCLK is for the SPI interface.  You  can run them alongside each other with some cautions like if you are try to transmit with one right next to one receiving, you could run into issues with blocking and the like.  Also, different channels or different times for transmitting or they will jam each other.  You might want to look at the CC2500 too.

  • 0 in reply to Chris M
    Prodigy 60 points

    It is a system of receive antennas only, 4 or 5, connecting to hopefully a single microcontroller. I will have a look at the CC2500, but this one is looking promising, if we can run several out of one master clock circuit.

  • 0
    Expert 1560 points

    This is Chris Pinter with Pinter Electronics Consulting. I am an RF Engineer and will offer you some suggestions. If you need to get a hold of me directly please visit   http://www.pinterec.ca/contact-us

    I built a differencial antenna using the CC2500 in the past.  The best way to accomplish this is to individually control eachone so you can benifit from better timing.  A device like the CC2430 has a system on a chip which will provide you better control over each antenna channel.

    I am able to help if you need.  Pinter Electronics Consultants provides tune key wireless development and troublshooting solutions to help TI customers develop unique soluton for a modern world. 

    http://www.pinterec.ca/services/wireless-development/ti

    If you would like more information please drop me a line.

    Chris Pinter

    http://www.pinterec.ca