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SAMA5D2 Hardware Design Considerations AN4451
Scope
Abbreviations
Reference Documents
1 Design Checklists
1.1 Schematic Checklist
1.2 Layout Checklist
2 Schematic Checklist Description and Examples
2.1 Provide Adequate Voltage and Sufficient Current
2.2 Ensure Correct Power-Up and Power-Down Sequences
2.3 Ensure that the Power Supply Pins have Adequate Decoupling Capacitors
2.4 Check MPU Configuration
2.5 Check the DDR Controller Configuration
3 Layout Checklist Description and Examples
3.1 Check that the Board has an Uninterrupted GND Plane
3.2 Define a Layer Stack-Up so that Line Impedances are matched to Driver Impedances
3.3 Place Decoupling Capacitors as Close as Possible to IC Pins
3.4 Length-Match High-Speed Signals
4 Revision History
4.1 Rev. A - 03/2022
5 Appendix
5.1 Bit and Byte Swapping
5.2 Good Practices
The Microchip Website
Product Change Notification Service
Customer Support
Microchip Devices Code Protection Feature
Legal Notice
Trademarks
Quality Management System
Worldwide Sales and Service