Issue 3: A/D Convertor placement

- + Issue 3: A/D Convertor placement

[Kevin Cameron, 01 Dec 2000]

Auto-inserted convertors should be on the child side of ports where conversion takes place as they are really associated with the driving and receiving processes in the child (not the parent), and because back-annotation may not work correctly otherwise. Also, if A/D convertors need to attach to a local power supply (say 'local.vdd' in Verilog) the search scope should start in the child.

For 'merged' A/D convertors (where one converter serves multiple modules) the placement should be in the module that contains all the relevent processes in it's subhierarchy.