register ENIR
| EN0 | bitfield EN0 |
| EN1 | bitfield EN1 |
| EN2 | bitfield EN2 |
| EN3 | bitfield EN3 |
| EN4 | bitfield EN4 |
| EN5 | bitfield EN5 |
| EN6 | bitfield EN6 |
| EN7 | bitfield EN7 |
| EN8 | bitfield EN8 |
| EN9 | bitfield EN9 |
| EN10 | bitfield EN10 |
| EN11 | bitfield EN11 |
| EN12 | bitfield EN12 |
| EN13 | bitfield EN13 |
| EN14 | bitfield EN14 |
| EN15 | bitfield EN15 |
| EN16 | bitfield EN16 |
| EN17 | bitfield EN17 |
| EN18 | bitfield EN18 |
| EN19 | bitfield EN19 |
| EN20 | bitfield EN20 |
| EN21 | bitfield EN21 |
| EN22 | bitfield EN22 |
| EN23 | bitfield EN23 |
| EN24 | bitfield EN24 |
| EN25 | bitfield EN25 |
| EN26 | bitfield EN26 |
| EN27 | bitfield EN27 |
| EN28 | bitfield EN28 |
| EN29 | bitfield EN29 |
| EN30 | bitfield EN30 |
| EN31 | bitfield EN31 |