Friday, March 6, 2015

Expansion interface: looking for problems

Before I dive into final tuning I decided to look for any routing issues with the expansion interface. Figures 1-6 show the issues that I found.  I'm going to shift the routing around a bit to try to limit long runs where traces are run closely in parallel.

Figure 1. Tight Routing Between P3 and P5.

Figure 2. Long Parallel Routing.

Figure 3. Too Tight Length Loop.

Figure 4. Too Tight Length Loop.

Figure 5. Long Parallel Routing.

Figure 6. Too Tight Length Loop and Long Parallel Routing.

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