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Unformatted text preview: licit signal GUARD (see 9.1) and to implicit signals defined by the predefined attributes 'DELAYED, 'STABLE, 'QUIET, and 'TRANSACTION. The term port is used to refer to objects declared by port declarations only. 2--Signals are given initial values by initializing their drivers. The initial values of drivers are then propagated through the corresponding net to determine the initial values of the signals that make up the net (see 12.6.3). 3--The value of a signal may be is13 indirectly modified by a signal assignment statement (see 8.4); such assignments affect the future values of the signal. 4--The subelements of a composite, declared signal are not declared signals. Cross-References: Disconnection specifications, 5.3; Disconnection statements, 9.5; Guarded assignment, 9.5; Guarded blocks, 9.1; Guarded targets, 9.5; Signal guard, 9.1. 12. IR1000.3.2. 13. IR1000.4.7. 60 Copyright 2000, IEEE. All rights reserved. This is an unapproved IEEE Standards Draft, subject to change. Clause 4 LANGUAGE REFERENCE...
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- Fall '01