AN 977: Nios® V Processor Custom Instruction

ID 773194
Date 4/14/2023
Document Table of Contents

2.2.3. Implementing Combinational Custom Instruction

A combinational custom instruction is a logic block that completes its logic function in a single clock cycle. To incorporate the combinational instruction into a multicycle custom instruction, combinational custom instruction needs to be implemented in two cycles.
Figure 6. Combinational Custom Instruction Timing Diagram