1. I want to know what happens when MCU powered up specific to cortex M4.
2. I have attached one keil program using TM4C123GH6PM. Its basic program to start working.
3. TM4C123GH6PM has 16Mhz internal OSC
4. I had read that flash/ram in M4 are arranged in below sequence:
Flash-> test+lireal , read only data , copy of ram data section
Ram -> Data section , bss section , heap , stack
5. According to me the exact sequence is:
Power up or any reset -> Internal clock 16Mhz init -> All peripheral/system register assigned default values -> bss section assign zero value -> ram data section assigned values from flash -> PC goes to reset handler