IsrIRQ sub sp,sp,#4 ;reserved for PC ;The stack pointer is reduced by 4, leaving a unit free so that the word needed by PC can be placed later (don’t you understand English?) stmfd sp!,{r8-r9} ;r8,r9 ...
[p=35, null, left][color=#555555]The process from power-on reset to code running to main function of each MCU is the MCU boot. In fact, not only MCU, but any other type of processor has such a process...
I have seen in many books that vxworks supports TCP/IP and other network protocols. If I want to write a network protocol myself, what is the general process? Or give me an idea. Thanks~ I just starte...
Can msp430f149 be directly connected to sja1000? Because I see that the voltage of 430 is 1.8~3.6v, and the voltage of sja1000 is 5v, I want to simplify the circuit, can they be directly connected? Al...