register ELVR1
| LA16 | bitfield LA16 |
| LB16 | bitfield LB16 |
| LA17 | bitfield LA17 |
| LB17 | bitfield LB17 |
| LA18 | bitfield LA18 |
| LB18 | bitfield LB18 |
| LA19 | bitfield LA19 |
| LB19 | bitfield LB19 |
| LA20 | bitfield LA20 |
| LB20 | bitfield LB20 |
| LA21 | bitfield LA21 |
| LB21 | bitfield LB21 |