This example describes an 8-bit signed multiplier with registered I/O in Verilog HDL. Synthesis tools detect multiplier designs in HDL code and infer lpm_mult megafunction.

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Table 1 lists the ports and gives a description for each.
| Table 1. Signed Multiplier Port Listing | ||
| Port Name | Type | Description |
|
|
Input | 8-bit signed registered data inputs to multiplier unit. Input data is fed to the multiplier on each clock cycle. |
clk |
Input | Clock |
out[15:0] |
Output | 16-bit signed output of multiplier unit |
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