unit 3 L2 | 8255 PPI | Block Diagram of 8255 (Programmable Peripheral Interface)| Port address

Unit 3 L1 | 8255 Pin Diagram | Pin Configuration of 8255 | PPI (Programmable Peripheral Interface

U3 L12.2 | 8259 Programmable Interrupt controller| Architecture| Block diagram | Interrupt operation

U3 L5 |Control word format of 8255 | I/O Mode Control word format 8255 | control register of 8255

8255 programmable peripheral interface | pin diagram |

Unit3 L4 | Operating Modes of 8255 | Modes of PPI | Modes of Programmable Peripheral Interface

8255 Programmable Peripheral Interface: Block Diagram and Working Explained

Unit 3 L3 | Port Address Calculation in 8255 PPI | Port address Calculation

8255-Programmable Peripheral Interface ( Block Diagram, pin diagram, IN & OUT instruction)

Programmable Peripheral Interface 8255 (Basics, Control Signals, Block Diagram, Control word & Modes

8259 Programmable Interrupt Controller: Block Diagram and Working Explained

Unit 3 L6 | BSR mode of 8255 | operating mode of 8255 | BSR mode of PPI

U3L8 | 8251 | USART |Block diagram of 8251| Universal synchronous asynchronous receiver transmitter

Block Diagram Reduction

8255 programmable peripheral interface | Architecture | part 1/2

U3 L11.2 | 8254/8253 PIT | Internal architecture of 8254 | Block Diagram of 8254 | PIT

8086 microprocessor | Minimum mode | Lec-22 | Bhanu Priya

8255 Programming Guide: Control Word, Interfacing, and Addressing Details

8253/54 Programmable Interval Timer: Block Diagram, Features, and Control Word Explained

8259 programmable interrupt controller | Architecture |