Input Ports

Port Name

Required

Description

Comments

data[]

Yes

Data input. Treated as an unsigned binary encoded number.

Input port LPM_WIDTH wide.

enable

No

Enable. All outputs low when not active.

If absent, the default value is active (high).

clock

No

Clock for pipelined usage.

The clock port provides pipelined operation for the lpm_decode function. For LPM_PIPELINE parameter values other than 0 (default value), the clock port must be connected.

clken

No

Clock enable for pipelined usage.

If omitted, the default is 1.

aclr

No

Asynchronous clear for pipelined usage.

The pipeline initializes to an undefined (X) logic level. The aclr port can be used at any time to reset the pipeline to all 0s asynchronously to the clock signal.