Truth Table/Functionality

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Inputs	Outputs
`enable`	`data[LPM_WIDTH-1..0]`	`eq[LPM_DECODES-1..0]`
0	X	0000...00
1	`LPM_DECODES-`1	1000...00
1	`LPM_DECODES-`2	0100...00
...	...	...
1	1	0000...10
1	0	0000...01

The enable input port is optional. When enable is omitted, the decoder is permanently enabled.