12.5.3 Main Clock Status
All Status bits, except SOSC, will be available only if the respective
source is requested as the main clock or by a peripheral. If the oscillator RUNSTDBY
bit is set and the oscillator is unused/not requested, these bits will be
‘0’.
| Name: | MCLKSTATUS |
| Offset: | 0x05 |
| Reset: | 0x00 |
| Property: | - |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PLLS | EXTS | XOSC32KS | OSC32KS | OSCHFS | SOSC | ||||
| Access | R | R | R | R | R | R | |||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 |
Bit 5 – PLLS PLL Status
| Value | Description |
|---|---|
| 0 | PLL is not stable |
| 1 | PLL is stable |
Bit 4 – EXTS External Clock Status
| Value | Description |
|---|---|
| 0 | EXTCLK is not stable |
| 1 | EXTCLK is stable |
Bit 3 – XOSC32KS 32.768 kHz External Crystal Oscillator Status
| Value | Description |
|---|---|
| 0 | XOSC32K is not stable |
| 1 | XOSC32K is stable |
Bit 2 – OSC32KS 32.768 kHz Ultra Low-Power Internal Oscillator Status
| Value | Description |
|---|---|
| 0 | OSC32K is not stable |
| 1 | OSC32K is stable |
Bit 1 – OSCHFS Internal High-Frequency Oscillator Status
| Value | Description |
|---|---|
| 0 | OSCHF is not stable |
| 1 | OSCHF is stable |
Bit 0 – SOSC Main Clock Oscillator Changing
| Value | Description |
|---|---|
| 0 | The clock source for CLK_MAIN is not undergoing a switch |
| 1 | The clock source for CLK_MAIN is undergoing a switch and will change as soon as the new source is stable |