12.5.1 ACTCON
| Name: | ACTCON | 
| Address: | 0x0AC | 
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| ACTEN | ACTUD | ACTLOCK | ACTORS | ||||||
| Access | R/W | R/W | R | R | |||||
| Reset | 0 | 0 | 0 | 0 | 
Bit 7 – ACTEN Active Clock Tuning Enable
| Value | Description | 
|---|---|
| 1 | ACT enabled: HFINTOSC tuning is controlled by the ACT | 
| 0 | ACT disabled: HFINTOSC tuning is controlled by the OSCTUNE register via user software | 
Bit 6 – ACTUD Active Clock Tuning Update Disable
Bit 3 – ACTLOCK Active Clock Tuning Lock Status
| Value | Description | 
|---|---|
| 1 | Locked: HFINTOSC is within ± 1% of its nominal value | 
| 0 | Not locked: HFINTOSC may or may not be within ± 1% of its nominal value | 
