Specialized behavior not supported by existing UML Classes can be modeled using UML Statecharts.

Uml2hdl Statecharts Support the Following UML Terminology:

• State: a discrete stage in the statechart's lifecycle.
• Transition: a path from one state to another
• Guard: a boolean expression that controls whether a transition is enabled
• Action: an expression that assigns a value to an output of the statechart

Uml2hdl Statechart Editor Features :

• Drag and drop instantiation of States and Transitions
• State Properties Editor to specify:
  • State Name
  • State Actions
• Transition Properties Editor to specify:
  • Transition Guard
  • Transition Actions
• Support for composite, hierarchical states
• Flexible HDL code generation
  • Binary or one-hot architectures supported