Intel 8085 8-bit Microprocessor Intel 8085 is an 8-bit, NMOS microprocessor.
It is a 40 pin C package fabricated on a single LSI chip.
The Intel 8085A uses a single +5V D.
C supply for its operation.
Its clock speed is about 3 MHz.
The clock cycle is of 320 ns.
The time for the back cycle of the Intel 8085 A-2 is 200 ns.
It has 80 basic instructions and 246 opcodes.
Figure 1 shows the block diagram of Intel 8085A.
It consists of three main sections, an arithmetic and logic unit a timing and control unit and several registers.
These important sections are described as under.
ALU The arithmetic and logic unit, ALU performs the following arithmetic and logic operations.
1.
Addition 2.
Subtractio...

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