Sequential example (cont’d):data-path vs. control

reset

open/closed

new

C1

C2

C3

comparator

value

equal

multiplexer

equal

controller

mux control

clock

• Internal structure

  • data-path
    • storage for combination
    • comparators
  • control
    • finite-state machine controller
    • control for data-path
    • state changes controlled by clock

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