68.1 ATSAMA5D2 Series 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 |