UNIT-II.pptx
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Mechatronics is a multidisciplinary field that refers to the skill sets needed in the contemporary, advanced automated manufacturing industry. At the intersection of mechanics, electronics, and computing, mechatronics specialists create simpler, smarter systems.
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This document discusses microprocessors and microcontrollers. It covers the 8085 microprocessor and 8051 microcontroller. It includes block diagrams and descriptions of the internal architecture and pin configurations of both chips. It also provides the timing diagram of the 8085 microprocessor machine cycles and discusses the 8255 Programmable Peripheral Interface chip including its pin configuration and block diagram. Examples are given of interfacing a keyboard, seven segment display, temperature sensor, and stepper motor with microcontrollers.
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This document discusses the internal architecture and pin configuration of the 8085 microprocessor. It contains the following key points:
- The 8085 is an 8-bit microprocessor that can address 64KB of memory and has 40 pins. It operates at a maximum frequency of 3MHz.
- The internal architecture of the 8085 includes registers, an ALU, instruction decoder, address buffer, and timing/control circuitry. It has general purpose registers, temporary registers, and special purpose registers.
- The 8085 has 16 address lines split into two 8-bit segments, as well as control/status signals like RD, WR, INT, and ALE. It uses pins for power supply, clock signals
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This document discusses the internal architecture and pin configuration of the 8085 microprocessor. It contains the following key points:
- The 8085 is an 8-bit microprocessor that can address 64KB of memory and has 40 pins. It operates at a maximum frequency of 3MHz.
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- The 8085 has 16 address lines split into two 8-bit segments, as well as control/status signals like RD, WR, INT, and ALE. It uses pins for power supply, clock signals
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This document discusses the internal architecture and pin configuration of the 8085 microprocessor. It contains the following key points:
- The 8085 is an 8-bit microprocessor that can address 64KB of memory and has 40 pins. It operates at a maximum frequency of 3MHz.
- The internal architecture of the 8085 includes registers, an ALU, instruction decoder, address buffer, and timing/control circuitry. It has general purpose registers, temporary registers, and special purpose registers.
- The 8085 has 16 address lines split into two 8-bit segments, as well as control/status signals like RD, WR, INT, and ALE. It uses pins for power supply, clock signals
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Processor means a device that processes whatever. In this context processor means a device that processes numbers, specifically binary numbers, 0’s and 1’s.
To process means to manipulate. It is a general term that describes all manipulation. Again in this content, it means to perform certain operations on the numbers that depend on the microprocessor’s design.
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Live B tech Projects & Industrial Training @Technogroovy
like our page for more updates:
https://www.facebook.com/Technogroovyindia
With Best Regard's
Technogroovy Systems India Pvt. Ltd.
www.technogroovy.com
Call- +91-9582888121
Whatsapp- +91-8800718323
Badal sharma
The document provides information about a seminar on embedded systems using the 8051 microcontroller. It discusses the introduction to embedded systems and their components. It then describes the features and architecture of the 8051 microcontroller, including its pins, addressing modes, and timers. Examples of embedded systems are also listed. The document concludes with discussing other integrated circuits like the 8085 microprocessor, 78XX voltage regulators, L293D motor driver, LCD displays, and logic level converters like the MAX232.
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The document provides an overview of computer architecture and microprocessors. It discusses microprocessor components like the accumulator, registers, flags, and control bus. It describes microprocessor operations like memory reads, writes and I/O. It also covers the 8085 microprocessor architecture in detail, including its pin configuration, buses, registers, interrupts and timing.
Datasheet 89S8253.pdf
The AT89S8253 is a low-power 8-bit microcontroller with 12K bytes of flash program memory and 2K bytes of EEPROM data memory. It has various I/O features including ports, timers, serial interface, and interrupts. The flash memory can be reprogrammed in-system through an SPI interface or external programmer, allowing for flexible and cost-effective solutions to embedded applications.
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The document describes the pinouts and signals of the 8085 microprocessor IC. It discusses the 7 groups of pins - address bus, data bus, control/status signals, power supply, clock signals, interrupts/external signals, and serial I/O signals. It also summarizes the 5 addressing modes of the 8085 - immediate, register, direct, indirect, and implied. Finally, it provides details about the different types of interrupts in the 8085 including TRAP, RST 7.5, RST 6.5, RST 5.5, and INTR interrupts and interrupt service routines.
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UNIT-II.pptx
- 2. IMPORTANT QUESTIONS Draw the internal block of 8085 microprocessor & explain each block. Explain the pin configuration of 8085 microprocessor. Explain addressing modes and its types. Explain the timing diagram of 8085 microprocessor with machine cycle Explain the architecture of 8051 microcontroller with block diagram. Explain the pin configuration of 8051 microcontroller.
- 3. Pin configuration of 8085 microprocessor a) Power supply b) Frequency signals c) Data bus d) Address bus e) Control bus f) Interrupt signal g) Serial I/O signal h) DMA signal i) Reset Signal
- 4. Architecture of 8085 microprocessor Registers:
- 5. Architecture of 8085 microprocessor D7 D6 D5 D4 D3 D2 D1 D0 S Z X AC X P X CY S – Sign flag Z – Zero flag AC – Auxiliary flag P – Parity flag CY – Carry flag Special Purpose Registers
- 6. Architecture of 8085 microprocessor Instruction Decoder
- 7. Architecture of 8085 microprocessor Address Buffer
- 8. Architecture of 8085 microprocessor Interrupt control
- 9. Architecture of 8085 microprocessor Timing & Control
- 10. TIMING DIAGRAM S.No Machine Cycle Status Control IO/m S1 S2 RD WR INTA 1 Opcode fetch 0 1 1 0 1 1 2 Memory read 0 1 0 0 1 1 3 Memory write 0 0 1 1 0 1 4 I/O read 1 1 0 0 1 1 5 I/O write 1 0 1 1 0 1 6 Interrupt ACK 1 1 1 1 1 0 7 Bus idle 1 1 1 1 1 1 Machine Cycle 1 Opcode fetch 2 Memory read 3 Memory write 4 I/O read 5 I/O write 6 Interrupt ACK 7 Bus idle
- 11. TIMING DIAGRAM S.No Machine Cycle Status Control IO/m S1 S2 RD WR INTA 1 Opcode fetch 0 1 1 0 1 1
- 12. TIMING DIAGRAM S.No Machine Cycle Status Control IO/m S1 S2 RD WR INTA 2 Memory read 0 1 0 0 1 1
- 13. TIMING DIAGRAM S.No Machine Cycle Status Control IO/m S1 S2 RD WR INTA 3 Memory write 0 0 1 1 0 1
- 14. TIMING DIAGRAM S.No Machine Cycle Status Control IO/m S1 S2 RD WR INTA 4 I/O read 1 1 0 0 1 1
- 15. TIMING DIAGRAM S.No Machine Cycle Status Control IO/m S1 S2 RD WR INTA 5 I/O write 1 0 1 1 0 1
- 16. Pin configuration of 8051 microcontroller a) Power supply b) Port 0 (P0.0 to P0.7) c) Port 1(P1.0 to P1.7) d) Port 2 (P2.0 to P2.7) e) Port 3 (P3.0 to P3.7) f) ALE/Prog g) XTAL1 & XTAL2 h) PSEN i) EA/VPP j) RST
- 17. Architecture of 8051 microcontroller