It was simulating just fine, and the program was not modified. Suddenly, it became like this and I cannot download it for simulation. When I clicked on simulation, the motherboard reset twice and the ...
I use PIC18F248 as CPU and want to realize RS232 communication with PC. Now the data sent by PIC18F248 is correct, but I can't receive the data sent by PC! I used MAX232A as the interface between PC a...