Serial to Parallel shift register

Discussion in 'General Electronics Chat' started by bug13, Aug 14, 2013.

  1. bug13

    Thread Starter Senior Member

    Feb 13, 2012
    Hi guys

    Just a simple question, I have seen people would use a serial to parallel shift register even there are still more than enough pins on the MCU, why do they do that?

    I am guessing they want to make the board easier to route?