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1. Component foundation 2. Circuit design 3. PCB design 4. Component welding 5. Board debugging 6. Program design 7. Algorithm learning 8. Writing exe 9. Testing standards 10. Project examples
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When designing PCBs, many times the lines of some networks are basically the same. If a network corresponds to a rule, a few are fine, then 10 or even dozens; this requires too many rules, which is very detrimental to the design. , let's teach you how to set multiple network rules.
We take VDD3V3, VDDA, GND as examples to explain the method.
Method 1: Create CLASS
1. Execute the menu Design→Classes... (shortcut key DC) to create a class for these three networks.
2. Execute the menu command Design→Rules (shortcut key DR) to enter the rule setting column; create a new line width rule, select "net class" in the rule setting column, and select the corresponding class; so that the line width of all networks in this class is are subject to this rule.
Method 2: Use AD's own "programming language" to set the rules:
1. Select the menu Design→Rules (shortcut key DR) to enter the rule setting bar; or right-click on the pcb interface to enter the rules.
2. Routing ‐> Width , create a new line width rule;
3. Enter the newly created rule, the interface is as follows:
4. Modify the line width value, the interface after modification is as follows;
5. Advanced→Query Helper
6. The interface after opening is as follows , in the following text box, you can write a rule statement;
7. Add the following statement in the box (basically, there will be a corresponding prompt when the first letter is typed);
8. The complete statement is as follows:
In this way, after saving and exiting, VDD3V3, VDDA, The size of the GND and other lines is the size set above.