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Chips/MCU For RF Remote Controller

Nasir Lazim
Prodigy 20 points
Other Parts Discussed in Thread: CC2510, SIMPLICITI

Hello,

My customer requested me to design RF remote controller.

Applications: car audio + keyless entry (optional), maximum 10 keys.

Requirements:

1. Because of small PCB space, small footprint, minimum surround components,

     one chip solution (system on chip) are prefereable.

2. Transmission distance: minimum 10 meters.

3. Frequency 2.4GHz band

4. High temperature storage (up to 90deg C) and operation voltage (up to 80deg C).

 

Any recommendation?

It will be very helpful if anybody can provide me reference circuits etc.

 

 

  • Expert 1835 points

     The 2500 with a small footprint processor like the PIC 16F690 in a 20 pad QLP or a TI counterpart won't be much larger than using a CC2510. The reason for going the two chip route is to use a processor you are comfortable coding for. Any of the CC24 or 25 series should work, the difference is the level of security you will need, and the angle of the learning curve in the prototyping stage. I have built remotes using both solutions, and it was much quicker and easier using two chips since I was familiar with the processor. If you have coded for the 8051 core, then have at it. It makes much sense buying a dev kit if it is in budget. Use the suggested layout and parts and keep the code as simple as possible until it is up and running.

  • in reply to ronnym
    TI__Mastermind 21125 points

    If your are not familiar with coding a RF protocol, then i would have looked at SimpliciTI which has the things you need to do a RF remote. Runs on either MSP+CC Tranceiver or any of the SoC's

    Read more and download the full source here:
    http://www.ti.com/simpliciTI

    Best regards,
    Kjetil

  • in reply to Kjetil
    Prodigy 20 points

    Thank you everybody for the advices.

    I will talk with local distributor to get more detail.