ABEL-HDL Design Considerations

Hierarchical ABEL-HDL Modules

Hierarchy

Building a Top-level ABEL-HDL Module

Building a Lower-level ABEL-HDL Module

Feedback

Feedback Normalization

State Diagrams Feedback in Equations

Feedback Specification - .Q and .FB

Feedbacks Specified Without Dot Extensions

Pin-to-Pin and Detailed Descriptions

Pin-to-pin vs. Detailed Descriptions for Registered Designs

Pin-to-Pin Language Features

Symbolic State Machines

Using Symbolic State Machines