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STM32F205ZC IWDG behavior

Question asked by on Jan 30, 2014
I have some question about the IWDG.
1. Is there a way to stop the IWDG? I only see start (0xCCCC) and reload(0xAAAA).
2. As I see in the WWDG the reset operation make it disable. Does it right also for the iWDG, and is going to StandBy also disable it?
3. In the user guide it is written  "can operate in Standby and Stop modes". Does it done automaticly (mean always work in all states) or there a special bytes need to configure to do so?
4. Is there a status register that I can check for know if the IWDG enable or not?