Microprocessor Architecture BTEC National Diploma IT Practitioners
Address Bus Data Bus
Control Unit ALU Address Bus Data Bus
MAR MBR Control Unit ALU Address Bus Data Bus
SCRMAR MBRCIR Address Buffer Control Unit ALU Address Bus Data Bus
SCRMAR MBRCIR Address Buffer Control Unit ALU Address Bus Data Bus
SCRMAR MBRCIR INDEX X INDEX Y STACK POINTER Accumulator Address Buffer Control Unit ALU Address Bus Data Bus
SCRMAR MBRCIR INDEX X INDEX Y STACK POINTER Accumulator Address Buffer Control Unit ALU Switchable Logic Unit Address Bus Data Bus
SCRMAR MBRCIR INDEX X INDEX Y STACK POINTER Accumulator Address Buffer Control Unit ALU Switchable Logic Unit Address Bus Data Bus
SCRMAR MBRCIR INDEX X INDEX Y STACK POINTER Accumulator Address Buffer Control Unit ALU Switchable Logic Unit Address Bus Data Bus
SCRMAR MBRCIR INDEX X INDEX Y STACK POINTER Accumulator Address Buffer Control Unit ALU Address Bus Data Bus FLAGS Switchable Logic Unit