Read DSP Microcontroller MCU IC Chip Program out from Microprocessor’s memory, disable the security fuse bit by focus ion beam which is commonly used method for Microcontroller cracking and extract memory content from MCU;

Read DSP Microcontroller MCU IC Chip Program out from Microprocessor’s memory, disable the security fuse bit by focus ion beam which is commonly used method for Microcontroller cracking and extract memory content from MCU

In our early experiments with the security protection in PIC microcontrollers, I noticed that the same PIC16F84 chip behaves differently if it is tested right after the erase operation was completed. As this microcontroller is no longer in use and has been replaced by the PIC16F84A, the testing was applied to the new chip.

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