Cortex-M1 Set Initial SP Value and the Reset Value

Hello, I hope someone can help me I am using a Cortex-M1, and I need to used a external memory from where the program code will be executed. the program code should starts from the address 0xF000 (size...
how to change the port values

in ARM , how can i change the values at the output pins? i.e.,in my program, i cant use the IOSET and IOCLR commands to change the values at the output pins bcoz the output in my program should change...
how to change the port values

in ARM , how can i change the values at the output pins? i.e.,in my program, i cant use the IOSET and IOCLR commands to change the values at the output pins bcoz the output in my program should change...
how to manipulate values at the ports

can i manipulate the values at the port pins individually,, i.e., if i want the 6th pin of port0 to be high, can i assign 1 to that particular pin, without disturbing the other port pin values??...
how to manipulate values at the ports

can i manipulate the values at the port pins individually,, i.e., if i want the 6th pin of port0 to be high, can i assign 1 to that particular pin, without disturbing the other port pin values??...