8255 Programmable Peripheral Interface: Block Diagram and Working Explained
8255 Programmable Peripheral Interface is explained with the following Timestamps:
0:00 - 8255 Programmable Peripheral Interface
1:16 - Feature of Programmable Peripheral Interface
3:59 - Block Diagram of Programmable Peripheral Interface
4:50 - Data Bus Buffer of 8255
5:27 - Read Write Control Logic of 8255
8:34 - Group A and Group B Control of 8255
9:08 - Ports of 8255
8255 Programmable Peripheral Interface is explained with the following outlines:
1. 8255 Programmable Peripheral Interface
2. Feature of Programmable Peripheral Interface
3. Block Diagram of Programmable Peripheral Interface
4. Data Bus Buffer of 8255
5. Read Write Control Logic of 8255
6. Group A and Group B Control of 8255
7. Ports of 8255
Chapter-wise detailed Syllabus of the Microprocessor & Interfacing 8085 Course is as follows:
1. Introduction to Microprocessor: • Introduction to Microp...
History of Microprocessor by INTEL, Difference between Microprocessor and Microcontroller, How to count Memory?, What is Computer?, How Program is loaded in memory of processor?, How Program is executed in processor?, Machine Language, Assembly Language & Higher Level Language.
2. Architecture and PIN Diagram of 8085: • Architecture and PIN D...
Architecture of Microprocessor 8085, PIN Diagram of Microprocessor 8085.
3. Basics of Microprocessor 8085: • Basics of Microprocess...
Buses in 8085, Flag Register of 8085, Programming Modal of 8085, Generation of Control Signals in 8085, Address Data Demultiplexing in 8085, Operation Types of 8085, Memory Mapped IO and IO Mapped IO, Operation Types in 8085, Machine Cycles in 8085.
4. Timing Diagram in 8085: • Timing Diagram in Micr...
Opcode Fetch Timing Diagram, Memory Read and Memory Write Timing Diagram, MVI Instruction Timing Diagram, LDA Instruction Timing Diagram, STA Instruction Timing Diagram, IN Instruction Timing Diagram, OUT Instruction Timing Diagram.
5. Stack and Subroutine in 8085: • Stack and Subroutine i...
Stack in Microprocessor 8085, Subroutine in Microprocessor 8085, Passing Parameters to the subroutine through stack in 8085.
6. Interrupt and Serial Communication in 8085: • Interrupt and Serial C...
Interrupt Service Routine in 8085, Software Interrupt and Hardware Interrupt in Microprocessor 8085, Hardware Interrupt in 8085, Interrupt Structure in 8085, SIM and RIM Instructions in 8085, Square Wave using SIM Instruction in 8085, Serial Communication by SIM Instruction in 8085.
7. Addressing Modes and Instructions of 8085: • Addressing Modes and I...
Addressing Modes of 8085, One Byte, Two Byte and Three Byte Instructions in 8085, Data Transfer Instructions in 8085, Arithmetic Instructions in 8085, Logical Instructions in 8085, Branch Control Instructions in 8085, DAA Instruction in 8085, Comparison of JMP and CALL in 8085.
8. Timer and Counter in 8085: • Timer and Counter in M...
Delay Programming for 8085, Generation of Delay in 8085, Counter Designing in 8085, Square Wave Generation in 8085.
9. IC Interfacing with 8085: • IC Interfacing with Mi...
8259 - Programmable Interrupt Controller, 8255 - Programmable Peripheral Interface, 8254 - Programmable Interval Timer, 8257 - Direct Memory Access.
10. Memory Interfacing in 8085: • Memory Interfacing in ...
Memory Classification, Series of Memory IC's, Memory Interfacing, Memory Mapping, Address Decoding, Starting and Ending Address calculation with OFFSET in memory, Size if memory from starting and ending address, Number of IC's required to construct given memory, Number of IC's can be interfaced with 8085, Examples on Memory Mapping, Examples on Memory Interfacing, Examples on Address Decoding.
11. IO Interfacing with 8085: • IO Interfacing with Mi...
Peripheral Mapped IO in 8085, Blue Print of IO Interfacing with 8085, Absolute Decoding and Partial Decoding in 8085, LED Interfacing with 8085, Seven Segment Display Interfacing with 8085, DIP Switch Interfacing with 8085, Examples of IO Interfacing with 8085, Examples if Addressing Registers in 8085.
12. Microprocessor 8085 Programming Examples: • Microprocessor 8085 Pr...
Examples of Microprocessor Programming, Examples of Assembly Language Programming, Examples of GATE, ISRO, BARC & DRDO on 8085.
13. Programs of Microprocessor 8085: • Programs of Microproce...
#8259 #ProgrammableInterruptController #PIC #Microprocessor
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Thank you very very much, now I will use it to Arduino Nano and Mega. Il will be able to cascade multiple 8255 with cascades TTL 74138 for the Chip Select (CS '). This will be a good practice, now Because of you and your well explained and professional teaching I can go on with my project. So many thanks ! - Jean, Canada
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love you sir ...great explanation
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Thank you sir 👍👍
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Good explanation.
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