what is the difference between memory mapped io and port mapped io.
and please tell me , parallel port and serial port which memory mapping followed??
what is the difference between memory mapped io and port mapped io.
and please tell me , parallel port and serial port which memory mapping followed??
Memory mapped IO is one where the processor and the IO device share the same memory location(memory) while IO mapped IO is one where the processor and the IO device have different memory located to each other.