Hello morning. Dose anyone know how to write software flowchart on pc serial port use of rs232 connect with mcu(at89c51) use of ttl level uart. i know between two connection I need connect on chip max232, and it functio with capacitive voltage generator. But I have no idea how to start program for this part connection. please help.
Dose anyone know how to write software flowchart on pc serial port use of rs232 connect with mcu(at89c51) use of ttl level uart. i know between two connection I need connect on chip max232, and it functio with capacitive voltage generator. But I have no idea how to start program for this part connection. please help.