The 8051 Microcontroller and Embedded

Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN

HANEL

INSIDE THE COMPUTERInside CPUs(cont’)

Flags

ALU

Program CounterInstruction RegisterInstruction decoder, timing, and controlRegister ARegister BRegister CRegister D

Address Bus Control Bus Data Bus

Internal buses