Hi,
I am using the MPC5645S.
已解决！ 转到解答。
why do you need to keep it constant?
You can take a look at:
https://community.nxp.com/servlet/JiveServlet/download/427962-1-279359/bootloader.zip
and
http://www.nxp.com/files/microcontrollers/doc/app_note/AN5319.pdf
http://www.nxp.com/files/microcontrollers/doc/app_note/AN5319SW.zip
Regards,
Lukas
在原帖中查看解决方案
Thank you for your answer. The problem is resolved.
Best wishes!
