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Micro-controller system timeline

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karthiprime

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What happens when I power up the Microcontroller?

Like, from which memory point it starts executing??
Intial registers/pointers values?
When will the actual program starts executing from the first line?

Thanks
 

sky_123

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One of the best guides to this came from Motorola, in their literature to a (moderately) old microcontroller.
I'd suggest reading this (pdf) book "Understanding Small Microcontrollers" from cover to page 216.
Although the book refers to an old microcontroller, the information is still relevant to most microcontrollers today.
 

karthiprime

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Thanks. Let me look into it.

- - - Updated - - -

I read the document.. But I was expecting answer to be something like this:

1. Reset
2. Boot-loader (from emulator or flash)
3. BIOS init
4. System init: user initialization
5. BIOS start etc

What would have been my question to have this answer?

Thanks
 

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