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Flash Dual Bank in STM32F2 & F4 ?

Question asked by Akhtariev.Ravil on Apr 11, 2012
Latest reply on Apr 12, 2012 by Clive One
Some STM32F1 MCUs have Flash Dual Bank, provided total amount of Flash is bigger than 512 KB. Thanks to that they posses valuable ability to "read-while-write" (RWW).
Do MCUs from STM32F2 or F4 series have this feature? Or they have to stall for more than a second just to erase a Flash sector (128 KB one)? And to miss the watchdog refresh as a side effect too?