Shift registers parrallel to serial: do I need to ungroup them ?
Posted on May 22, 2013 at 17:23Hello,I'm working on an interface based on STM32F407 with 48 buttons. I use 74HC165 shift registers parrallel in/serial out to multiplex my buttons states.I need to cascading 6 registers to connect the 48 buttons.This ...