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I have developing something for a couple of months now, I have a few target boards, all of which programmed in circuit with no issues, no if I try any of them, i get an SWD Communication Failure!!
I have reset targets, reset the PC, re-installed the Keil software, tried a different 20 way ribbon cable, tried the internal jumper in the 3.3v position, lowered the download speed, but nothing works.
Any ideas on what else I can try?
Has anyone else had this problem?
any idea what the ULINK version of Flash Magic is.......
There are no ULINK version of Flash Magic to my knowledge.
The Flash Magic I use are a tool for non-JTAG updates of NXP processors. In my case, it uses RS232 to download firmware to a factory-supplied boot loader in the NXP chip.