RTC Clock Selection Control
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
RTCSEL[2:0] | |||||||||
Access | R/W | R/W | R/W | ||||||
Reset | 0 | 0 | 0 |
RTC Clock Selection
Value | Name | Description |
---|---|---|
0x0 | ULP1K | 1.024 kHz from 32 kHz internal ULP oscillator |
0x1 | ULP32K | 32.768 kHz from 32 kHz internal ULP oscillator |
0x2, 0x3 | Reserved | - |
0x4 | XOSC1K | 1.024 kHz from 32 kHz external oscillator |
0x5 | XOSC32K | 32.768 kHz from 32 kHz external crystal oscillator |
0x6 | Reserved | - |
0x7 | Reserved | - |