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Hamming Distance Calculator

Beginner

Simulate (GHDL)

00:00

Specification

01General Operation

The circuit is combinational: bitwise XOR then population count.

Behaviour

o_distance ranges from 0 to 8.
Two identical words produce zero.
Two complementary words produce eight.

02Interface

i_a

Direction: Input
Width: 8 bits
Description: Input a

i_b

Direction: Input
Width: 8 bits
Description: Input b

o_distance

Direction: Output
Width: 4 bits
Description: Output distance