68 Marking
Top marking follows the scheme below: 
with possible values:
| Line | Description | Values |
|---|---|---|
| 1 | Company Logo | Atmel |
| 2 | Device Name |
ATSAMA5D21 ATSAMA5D22 ATSAMA5D23 ATSAMA5D24 ATSAMA5D26 ATSAMA5D27 ATSAMA5D28 |
| 3 | Device Information |
CN CU |
| 4 | Date Code, Design Revision |
YYWW C YYWW B YYWW A |
| 5 | Lot Traceability, ARM logo | YYWWNNN ARM |