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Table of Contents ________________________________________________________________________________________________________________________ TABLE OF CONTENTS [continued] Section 9 Design Units and Packages [continued] mgc_portable.qsim_relations 9-47 Section 10 Attributes Attribute Overview attribute_name Predefined Attributes Detailed Predefined Attribute Description Array Object Attributes ’high[(n)] ’left[(n)] ’length[(n)] ’low[(n)] ’range[(n)] ’reverse_range[(n)] ’right[(n)] Block Attributes ’behavior ’structure Signal Attributes ’active ’delayed[(t)] ’event ’last_active ’last_event ’last_value ’quiet[(t)] ’stable[(t)] ’transaction Signal Attribute Example Type Attributes ’base Mentor Graphics VHDL Reference Manual, July 1994 10-1 10-1 10-3 10-5 10-7 10-8 10-11 10-13 10-15 10-17 10-19 10-21 10-23 10-24 10-25 10-26 10-28 10-29 10-30 10-31 10-32 10-33 10-34 10-35 10-36 10-37 10-38 10-40 10-42 ix
