unit 3 L2 | 8255 PPI | Block Diagram of 8255 (Programmable Peripheral Interface)| Port address
10:22
Unit 3 L1 | 8255 Pin Diagram | Pin Configuration of 8255 | PPI (Programmable Peripheral Interface
5:20
Unit 3 L6 | BSR mode of 8255 | operating mode of 8255 | BSR mode of PPI
7:36
Unit3 L4 | Operating Modes of 8255 | Modes of PPI | Modes of Programmable Peripheral Interface
11:07
U3 L5 |Control word format of 8255 | I/O Mode Control word format 8255 | control register of 8255
10:38
8255 Programmable Peripheral Interface: Block Diagram and Working Explained
20:35
U3L8 | 8251 | USART |Block diagram of 8251| Universal synchronous asynchronous receiver transmitter
1:33:17
Bit Set/ Reset and I/O Modes of 8155/8255 Programmable Peripheral Interface
32:41