12.13.8 Device Identification
| Name: | DID |
| Offset: | 0x0018 |
| Property: | PAC Write Protection |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| REVISION[3:0] | FAMILY[4:1] | ||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | p | p | p | p | f | f | f | f | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| FAMILY[0] | SERIES[5:0] | ||||||||
| Access | R | R | R | R | R | R | R | ||
| Reset | f | s | s | s | s | s | s | ||
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| DIE[7:0] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | d | d | d | d | d | d | d | d | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| DEVSEL[7:0] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | x | x | x | x | x | x | x | x | |
Bits 31:28 – REVISION[3:0] Processor
The value of this field identifies the die revision number. 0x0=rev.A0.
Bits 27:23 – FAMILY[4:0] Product Family
The value of this field corresponds to the product family part of the ordering code. For this device, the value of this field is 0x0.
Bits 21:16 – SERIES[5:0] Product Series
The value of this field corresponds to the product series part of the ordering code. For this device, the value of this field is 0x01, corresponding to a product with the Cortex-M0+ processor with DMA and USB features.
Bits 15:8 – DIE[7:0] Die Number
Identifies the die family.
Bits 7:0 – DEVSEL[7:0] Device Selection
This bit field identifies a device within a product family and product series. The value corresponds to the Flash memory density, pin count and device variant parts of the ordering code.