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When I try to read my LPC55S69 flash memory with JFlash V7.66b and a J-Link I receive the following error: 'Failed to read back target memory'. Nevertheless, there's no problem when I use J-Mem V7.66b and the same J-Link. This is what the log file says: Connecting ... - Connecting via USB to probe/ programmer device 0 - Probe/ Programmer firmware: J-Link V9 compiled May 7 2021 16:26:12 - Device "LPC55S69_M33_0" selected. - ConfigTargetSettings() start - Disabling flash programming optimizations:…

Hi Niklas, Yes it is. Thanks a lot. Best Regards,

Hi Niklas, Thank you so much for your support. I've finally managed to write program once region in a successful way . Our Production Department currently use PEMicro's Cyclone ACP, but I am exploring the alternatives. I think we should use a probe connected to a PC in order to change MAC address dynamically on the 'Init Steps'. Best Regards,

Hi Niklas, Thanks a lot for your time. NXP defines IFR as 'nonvolatile information register found in each flash block, separate from the main memory array', whereas the program flash 0 IFR is a 1 Kbyte nonvolatile information memory that can be read freely, but the user has no erase and limited program capabilities. We are wondering if there is any way to write MAC address to this Flash Memory Module (FTFE) registers, as the they are addressed out of the Flash memory map and it is required to us…

Hi everyone, We are currently working with NXP MK64FN1M0VLL12 MCU and we would like to write MAC address on Program Flash 0 IFR during production. Is there any way to do it? We are using a J-Link. Thanks a lot in advance.