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The problem is inside JFlash itself Please check JFlash unsecure sequence. If you can promise that latest version of JFlash can do unsecure chip with non-zero TAP, then you can close this case. Thanks
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Solution was to unlock chip using flash memory register via JLink commander. Mpu wes STM32F205RE Different devices may have different flash address space, and different sequence to unlock. Please refer to the flash programming datasheet of your device. ------------------------------------------------------- JLink script file device STM32F205RE si 0 rsettype 2 # Unsecure all chips # Select first IRLen=10, TAP=1 config 10,1 rx 10 # Unlock flash opt register w4 0x40023C08, 0x08192A3B w4 0x40023C08,…