Follow up HW#13

 Problem 1

以下是比較不同演算法得出的繞線以及比較不同繞線的電路效能

Trace Routing Errors and Repairs router optimization （original by Ms. Wu）

A* vs Dijkstra side-by-side comparison originally by Ms. Kuo

Problem 2

suggestions

- Add a short note on how CL1 and CL2 set the load capacitance the crystal sees: CL = (CL1*CL2)/(CL1+CL2) + Cstray. With 22 pF caps this lands near the common 12 to 18 pF crystal spec once stray is included, and stating it explicitly ties your part choices to the datasheet.

pierceCalc

Consider analysis of heatmap

trace, 3d, heat map＊ heat map by me, trace route and 3D by Mr. Su