It is possible to disable the watchdog on the standard watchdog products but
not on the windowed watchdog products.
On the standard watchdog, the WDI pin can be left floating to disable the
watchdog. Because the windowed watchdog parts are normally used in critical
applications, it isn’t desirable to have the ability to disable the watchdog as
it would impact on fault coverage (i.e. if the WDI pin is disconnected
accidentally it should generate a reset event rather than disable the