DCD Decode 4 to 1 of 16

John Morris · Sep 11, 2015

Good afternoon to all

Need help in understanding the purpose of a case state "decode 4 to 1 of 16"

any help is greatly appreciated.

Thank you

danatomega · Sep 11, 2015

Four binary bits have a possible sixteen states:
0 = 0 0 0 0
1 = 0 0 0 1
2 = 0 0 1 0
3 = 0 0 1 1
4 = 0 1 0 0
5 = 0 1 0 1
.
.
.
15 = 1 1 1 1

John Morris · Sep 11, 2015

so there are sixteen possibilities depending to the condition and sixteen ways to react/respond base on a four bit combination?

Firejo · Sep 11, 2015

Doug-P · Sep 11, 2015

John Morris · Sep 14, 2015

Thank you all

This is very interesting and informative.