Clock Selection
| Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| CLKSEL[1:0] | |||||||
| Access | R/W | R/W | |||||
| Reset | 0 | 0 | |||||
Clock Select
Writing these bits select the source for the RTC clock (CLK_RTC).
| Value | Name | Description |
|---|---|---|
| 0x0 | INT32K | 32.768 kHz from OSCULP32K |
| 0x1 | INT1K | 1.024 kHz from OSCULP32K |
| 0x2 | - | Reserved |
| 0x3 | EXTCLK | External clock from EXTCLK pin |