2.5.1 External Clock/Crystal Status Bit is Not Set When the External Clock Source is Ready
1’) and the Run Standby (RUNSTDBY) bit in XOSCHFCTRLA is ‘1’ without the clock source being requested, the External Clock/Crystal Status (EXTS) bit will not be set to ‘1’ when the external clock source is ready.Work Around
Request the clock from RTC or TCD before checking the EXTS bit.
Affected Silicon Revisions
| Rev. A4 | Rev. A5 | Rev. B0 |
| X | - | - |