A/D trim register
| RESERVED | Reserved. |
| ADCOFFS | Offset trim bits for ADC operation. Initialized by the boot code. Can be overwritten by the user. |
| TRIM | Written-to by boot code. Can not be overwritten by the user. These bits are locked after boot code write. |
| RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |