12/30/18 ~ Coding Atharva

8 Memory Organisation of 8086

•The address bus of 8086 is 20-bit. • It can addressed 1 MB of memory. •The memory is organized as a linear array of up to 1 MB, from 0...

Flags is a 16-bit register containing 9 one bit flags Status Flag •Carry Flag – CF (bit 0) – Set (1) if an arithmetic operation gen...

•LOCK# •This is output signal. •When it is low, other system bus master will be prevented from gaining the system bus. •It is activat...

Pin descriptions of 8086 • The 8086 operates in –minimum mode (single processor mode ) –maximum mode (multiprocessor mode ) high perf...

• General purpose register •There are four 16 bit general purpose registers, i.e. AX, BX, CX, and DX. These are used to store 16- bit d...

•The 8086 CPU is divided into two independent functional parts, the bus interface unit (BIU), and the execution unit (EU). •The Bus Int...

•The Intel 8086 is a 16-bit microprocessor. •It is used as the CPU in a microcomputer. •The term 16-bit means that its ALU, internal re...

•It is a 16-bit μp. ( 16-bit ALU, 16-bit registers, 16-bit internal data bus) •It has 16 bit external data bus. •8086 has a 20 bit addr...