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How to erase the chip?

Question asked by Pevek80 on May 24, 2012
Latest reply on May 25, 2012 by Clive One
I use ST Visual Programmer and STM32VLDiscovery. During programming I set Read Protection ON. But now I can not erase or reprogramming the chip (STM32F103RB). I can see "The device is protected" only. How can I do this?