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Need help choosing a microcontroller

Discussion in 'General Electronics' started by Brad Larson, Aug 24, 2003.

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  1. Brad Larson

    Brad Larson Guest

    Hey all,

    I'm needing some help choosing a microcontroller. I've never had to
    choose one before, just program for them. If anyone could make a
    suggustion, I would really appreciate it.
    Here are my requirements:

    FPU really prefered
    at least 25 MHz
    10-12K for instructions/data
    low power
    good compiler/debugger (maybe JTAG)
    at least 3 serial (SCI) ports

    The thing I've been having the most trouble with is the serial ports.
    I have to communicate with a radio, motor controller, and LCD display,
    and they all use 9600 baud serial. If there isn't a good
    microcontroller with 3 SCI ports, is there an IC I could use to make
    it work somehow?

  2. wpa

    wpa Guest

    look at Hitachi (now called Renessas I believe) they have some nice
    controllers with 3x serial port which can be used to upload firmware as
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