4.3 Escape Pattern

The figures below illustrate various escape pattern designs.

Figure 4-2. SAMA7G54 Top Layer Example - Signal

Figure 4-3. SAMA7G54 Layer 2 Example - Ground

Figure 4-4. SAMA7G54 Layer 3 Example - Signal

Figure 4-5. SAMA7G54 Layer 4 Example - Power

Figure 4-6. SAMA7G54 Layer 5 Example - Signal

Figure 4-7. SAMA7G54 Layer 6 Example - Signal

Figure 4-8. SAMA7G54 Layer 7 Example - Ground

Figure 4-9. SAMA7G54 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 4-10. SAMA7G54 Decoupling Capacitors Placement Example