22.13.8 Clock Selection
Name: | CLKSEL |
Offset: | 0x07 |
Reset: | 0x00 |
Property: | - |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
CLKSEL[1:0] | |||||||||
Access | R/W | R/W | |||||||
Reset | 0 | 0 |
Bits 1:0 – CLKSEL[1:0] Clock Select
Writing these bits select the source for the RTC clock (CLK_RTC).
Value | Name | Description |
---|---|---|
0x00 | INT32K | Internal 32.768 kHz oscillator |
0x01 | INT1K | Internal 1.024 kHz oscillator |
0x02 | TOSC32K | 32.768 kHz crystal oscillator |
0x03 | EXTCLK | External clock from EXTCLK pin |