2.3 Escape Pattern

The figures below illustrate various escape pattern designs.

Figure 2-2. SAM9X60 Top Layer Example - Signal

Figure 2-3. SAM9X60 Layer 2 Example - Ground

Figure 2-4. SAM9X60 Layer 3 Example - Power

Figure 2-5. SAM9X60 Layer 4 Example - Signal

Figure 2-6. SAM9X60 Layer 5 Example - Ground

Figure 2-7. SAM9X60 Bottom Layer Example - Signal

The decoupling capacitors should be placed on the bottom, as close as possible to the vias connecting the power pins of the MPU. An example of such placement can be seen in the following figure.

Figure 2-8. SAM9X60 Decoupling Capacitors Placement Example