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Using TSC2046 with MSP430

Victor Skulavik II
Prodigy 70 points
Other Parts Discussed in Thread: TSC2046, TSC2200

Hi!

I have a 4-wire touch-screen LCD (Crystalfontz CFAF240320KTTS) that I want to use with the MSP430. I found the TSC2046 and I'm thinking it'll work nicely, but I've never worked with one before so I'm not sure.. Can anybody help me with code for TSC setup and interrupt handling on the MSP, please?

Also, looking at the datasheets for the TSC2046 and the TSC2200, I notice that the 2200 has a LOT more info on it's control registers and the 2046 has none really. Can someone tell me if they're the same? If not, could you please point me in the direction of the 2046's control info?

Thanks!!

Victor Skulavik II

  • 0
    TI__Genius 9990 points

    Victor,

     

    The best source of information on using the TSC2046 is the WinCE driver provided. Granted, It's not for the MSP430 but that doesn't matter since the code can provide a lot of guidelines into how to design your own code. The routines it contains are probably the best approach and will likely take you far. I looked at the code and it didn't seem all that bad. My guess is the lower level SPI communications are the first thing you need to get going. Use MSP430 Sample Code to set that up and read a simple register. Once you have that working,get all the other lower level functions working.

     

    http://focus.ti.com/lit/ds/symlink/tsc2046.pdf

     

     

    Gustavo

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