Microprocessor-8086 tutorials

It is a 16-bit µp. 8086 has a 20 bit address bus can access up to 220 memory locations (1 MB). It can support up Read More »

BUS INTERFACE UNIT: It provides a full 16 bit bidirectional data bus and 20 bit address bus.   The bus interface unit is responsible for Read More »

General Bus Operation: The 8086 has a combined address and data bus commonly referred as a time multiplexed address and data bus. The main reason Read More »

Memory segment status codes. Control Signals: The control signals are provided to support the 8086 memory I/O interfaces. They control functions such as when the Read More »

Addressing Modes Implied – the data value/data address is implicitly associated with the instruction. Register – references the data in a register or in a Read More »

Internal Registers of 8086 The 8086 has four groups of the user accessible internal registers. They are the instruction pointer, four data registers, four pointer Read More »