register UIDR0
| UID0 | bitfield UID0 |
| UID1 | bitfield UID1 |
| UID2 | bitfield UID2 |
| UID3 | bitfield UID3 |
| UID4 | bitfield UID4 |
| UID5 | bitfield UID5 |
| UID6 | bitfield UID6 |
| UID7 | bitfield UID7 |
| UID8 | bitfield UID8 |
| UID9 | bitfield UID9 |
| UID10 | bitfield UID10 |
| UID11 | bitfield UID11 |
| UID12 | bitfield UID12 |
| UID13 | bitfield UID13 |
| UID14 | bitfield UID14 |
| UID15 | bitfield UID15 |
| UID16 | bitfield UID16 |
| UID17 | bitfield UID17 |
| UID18 | bitfield UID18 |
| UID19 | bitfield UID19 |
| UID20 | bitfield UID20 |
| UID21 | bitfield UID21 |
| UID22 | bitfield UID22 |
| UID23 | bitfield UID23 |
| UID24 | bitfield UID24 |
| UID25 | bitfield UID25 |
| UID26 | bitfield UID26 |
| UID27 | bitfield UID27 |