The watchdog timer reference clock is selected between the clock for the APB programming interface and the xxx_SWDT_CLK clock signal from the MIO (or a signal from the PL).
Independently selectable clock sources:
- APB clock,
- MIO input signal, or
- PL EMIO input signal
- LPD EMIO clock signal: FMIOWWDTCLKIN
- FPD EMIO clock signal: FMIOFPDWWDTCLKIN
External reference clock source. Select using: