Truth Table/Functionality
Each lpm_and function defines LPM_WIDTHAND gates. Each AND gate has the following function:
Inputs |
Outputs |
|---|---|
data[LPM_SIZE-1]_[LPM_WIDTH-1] |
result[LPM_WIDTH-1] |
0XXX... |
0 |
X0XX... |
0 |
XX0X... |
0 |
... |
... |
1111... |
1 |
The library of parameterized modules (LPM) 2.1.0 standard uses 'x' characters to separate bit numbers in dual-range groups. These 'x' characters are automatically translated into underscores (_) in the Quartus® Prime software.