Recently used MDK5.12, met the requirements jlink firmware upgrade, I have two jlink - V8 (firmware library 4.72), direct promotion of black, red firmware library lost as a result, the whole afternoon, finally will both jlink whole good, all the firmware library is 4.91 C,
Now sum up, there are two ways to solve this problem,
One is replacing MDK path JLinkARM. DLL file:
If your jlink firmware library is 4.72, then use SEGGER (version 4.72) to install directory JLinkARM. Replace the DLL file./ARM/SEGGER/JLinkARM. DLL files, MDK won't prompt to update the firmware library,
Or run directly SEGGER (version 4.72) to install directory JLinkDLLUpdater. Exe, complete the automatic replacement,
The second is to upgrade the firmware library:
I first is to use MDK upgrade jlink, failed, so didn't dare to use MDK upgrade jlink,
If your MDK use SEGGER version 4.91 b,
You can download version 4.91 b SEGGER, after the installation is complete, connect the jlink, run J - Link Commander V4.91 b, will pop-up window allows you to upgrade the firmware library, click ok to upgrade,
This can be finished,
Here there are a few small accident, such as: MDK or J - Link Commander prompt clone, but will the program will quit, heavy brush after the firmware to solve,
After I repainted the firmware jlink default does not supply power to development board, unless you are J - Link type "power on" command Commander, baidu to result, type the command "power on perm" later can automatically power supply,
Type "power off perm" does not automatically power supply,

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