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 |