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STM32F723 ST-Link FLASH memory-size and erase error

Question asked by Erwin Reuss on Aug 15, 2017
Latest reply on Aug 23, 2017 by Clive One

1. ST-Link reports the wrong size for the Flash memory. ST-LINK-Utility reports "Unknown" and the ST-Link CLI reports 4095 kBytes.

2. ST-Link CLI can't erase memory sector 1 at 0x08004000. When using the commandline-switch -SE 0 1 st-link cli reports the following Error:

Memory Sector @0x8000000 erased

Memory Sector @0x8004000 is not erased. Verify the memory protection.

Verifying the Option-Bytes the memory is not protected!!!

Only a full chip erase can resolve this problem.