wdt_ctr_mode
wdt_ctr_mode(0, 3); /* Program CTR0 for Mode 3:
wdt_ctr_mode(1, 2); /* Program CTR1 for Mode 2:
wdt_ctr_mode(2, 0); /* Program CTR2 for Mode 0:
wdt_ctr_mode(1, 2); /* Re-Program CTR1 for Mode 2: