MOSEL=0, MODRV1=0
Main Clock Oscillator Mode Oscillation Control Register
| Reserved | These bits are read as 000. The write value should be 000. |
| MODRV1 | Main Clock Oscillator Drive Capability 1 Switching 0 (0): 10 MHz to 20 MHz 1 (1): 1 MHz to 10 MHz. |
| Reserved | These bits are read as 00. The write value should be 00. |
| MOSEL | Main Clock Oscillator Switching 0 (0): Resonator 1 (1): External clock input |
| Reserved | This bit is read as 0. The write value should be 0. |