| Symbol | Description | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| fNOM_LFCLK |
Nominal output frequency |
32.768 | kHz | ||
| tSTART_LFXO |
Startup time for 32.768 kHz crystal oscillator |
0.31 | s | ||
| ILFXO |
Run current for 32.768 kHz crystal oscillator |
0.16 | µA | ||
| fTOL_LFRC |
Frequency tolerance, uncalibrated |
±3.2 | % | ||
| fTOL_CAL_LFRC |
Frequency tolerance after calibration. Constant temperature within ±0.5 °C, calibration performed at least every 8 seconds, averaging interval > 7.5 ms, defined as 3 sigma. |
±250 | ppm | ||
| tSTART_LFRC |
Startup time for internal RC oscillator |
500 | μs | ||
| ILFRC |
Run current for LFRC |
1.0 | µA |