JTAG disable

[stst9187]

Posted on January 07, 2011 at 17:25

JTAG disable

[stst9187]

Posted on May 17, 2011 at 14:20

ok. thanks

And where can I find a Boot software programmer for PC? I'm using STM32 ST-link utility but it hasn't ''a serial programming mode''

[Tesla DeLorean]

Posted on May 17, 2011 at 14:20

I program one chip with a firmware. Into this firmware there is the JTAG Disable command ('' AFIO_MAPR=0x4000000;  ''). Now How can I erase the chip? Is it possible re-use this chip with ST-LINK debugger?

No, you're going to need to use the serial port method, selecting the system memory with the BOOT pins. You could also in the future implement a back door method to re-enable the JTAG, or erase the chip, from within your application.

[stst9187]

Posted on May 17, 2011 at 14:20

thanks very much.

[Tesla DeLorean]

Posted on May 17, 2011 at 14:20

UM0462, under DESIGN SUPPORT, in USER MANUALS and SW DEMOS

http://www.st.com/internet/mcu/product/216824.jsp http://www.st.com/stonline/products/literature/um/13916.pdf http://www.st.com/internet/com/SOFTWARE_RESOURCES/SW_COMPONENT/SW_DEMO/um0462.zip