SPRUIU1D July 2020 – December 2024 DRA821U , DRA821U-Q1
By default, HFOSC1 is disabled, while WKUP_HFOSC0 is enabled after PORz.
All device oscillators with external crystals support a bypass mode. In this mode, an external clock can be driven on the XI Pin.
Figure 5-755 WKUP_HFOSC0 Integration Diagram
Figure 5-756 HFOSC1 Integration Diagram