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UProcessor = uController?

  1. Jan 22, 2007 #1
    Hi, I was just curious, I'm reading this intro to comp eng book for my intro class, and i was curious... is a microprocessor equal to a microcontroller??
  2. jcsd
  3. Jan 23, 2007 #2


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    Staff: Mentor

    Usually the distinction is whether the micro is more IO oriented or more memory interface oriented. So a PIC or ARM processor which has lots of flexible IO pins will generally be called a uC, because you use it to monitor and control IO. While a PC-based processor like Pentium chip would be called a microprocessor, because its pins are mostly dedicated to the external memory interfaces, not to IO.
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