Tuesday, 15 May 2018

Full About 8085 Microprocessor Architecture!!

8085 Microprocessor Architecture



How Manny Parts In The Microprocessor And The All Function Of All Different Parts !!



• 8-bit general purpose ┬Áp
• Capable of addressing 64 k of memory
• Has 40 pins
• Requires +5 v power supply
• Can operate with 3 MHz clock
• 8085 upward compatible



Figer 1


• System Bus – wires connecting memory & I/O to
Microprocessor
– Address Bus
• Unidirectional
• Identifying peripheral or memory location

Figer 2



  1. – Data Bus

• Bidirectional
• Transferring data


  1. – Control Bus

• Synchronization signals
• Timing signals
• Control signal





Architecture of Intel 8085 Microprocessor

Figer 3


Intel 8085 Microprocessor

• Microprocessor consists of:

– Control unit: control Microprocessor operations.
– ALU: performs data processing function.
– Registers: provide storage internal to CPU.
– Interrupts

– Internal data bus

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