STM3240G-EVAL or STM3220G blocked

[yves2399]

Posted on September 21, 2012 at 15:07

Hi,

I have

10

STM3240G-EVAL to make traing courses.

On one board, I have load 2 programs too quikly ones behind the other. I cannot today load any program.

I

work

with STlink2 and µvision4.

Have-you any solution  to unlock these board.

 Thank-you for the help

Yves mevel

[Tesla DeLorean]

Posted on September 21, 2012 at 15:45

Try setting BOOT0 HIGH when you restart, this will run the system loader instead of broken user code. Erase the part and write a functional application.

If the ST-Link still can't get control you could try an alternate JTAG pod, or use the serial port and the Flash Loader Demonstration program.