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Altera_Forum
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10 years ago

VHDL - (4-bit Adder) Combinational Logic: Hierarchical Design

Hi, I'm new to VHDL and have an issue with a required project and I was hoping someone could help with my code. I'm unable to get my program to compile and not exactly sure what I'm doing wrong. ...
Altera_Forum's avatar
Altera_Forum
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10 years ago

Hi, I want to add some comments. Avoid structural design concept in low-level elements. if you learn it, then think in this manner "okay . i tried it. let it forget until i understand top -down design". structural concept useful when some of your design files come from outside your CAD tools or you try to represent close as initial functional diagram for device. for example shared bus with several independed elements.