The document discusses the Intel 8085 microprocessor. It is an 8-bit microprocessor from Intel, introduced in 1976. It has an internal architecture consisting of an arithmetic logic unit, timing and control unit, and registers. It has 40 pins, uses a 5V power supply, has a clock speed of around 3MHz, and contains 80 basic instructions. The document provides a block diagram of the Intel 8085 and describes its status flags and pin configuration.

1. Microprocessor 8085

3. Microprocessor is central processing unit(CPU) of a computer.

4. It is the heart of the computer.

6. Timing & Control Unit

8. Status Flag of Intel 8085 0 1 2 3 4 5 6 7 BIT NO. S Z X AC X P X CS STATUS FLAGS UNDEFINED BITS CARRY STATUS PARITY STATUS AUXILIARY CARRY STATUS ZERO STATUS SIGN STATUS

9. PIN CONFIGRATION OF INTEL 8085 MICROPROCESSOR INTEL 8085 VSS AD0 – AD7 VCC A8 – A15 X1 X2 CLK ( OUT ) CLK ( OUT ) ---------- RESET IN HOLD RESET OUT -- IO/ M HLDA So TRAP S1 -- RD RST 7.5 -- WR RST 6.5 ALE RST 5.5 SID INTR SOD ----- INTA READY