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Program start from RAM

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河童|  楼主 | 2018-9-9 09:44 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
I tried simple code using Keil MDK5 for STM32F769 CPU. I\'ve used Keil simulator and noticed that vector table is settled at 0 (ITCM RAM) with BOOT_ADDRx =0, directing CPU to start from 0. The question is how vector table was filled in RAM. If JTAG did it, what will happen when I don\'t have JTAG, ie in production ? If some code from flash did it, how CPU started from flash at the first place, if at least stack addr should be at 0 ?

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