Microprocessor ->Unit - 2 & 3 - Hand Written Notes

DMA transfer: Cycle stealing – Burst mode – Multiple DMA devices – DMA transfer in 8085

system – serial data transfer.To download Hand written notes - Click Here 

Programmable peripheral device – programmable interval timer (8253)  To download Hand written notes - Click Here

Programmablecommunication interface (USART)  - Click Here

Programmable interrupt controller - Click Here

 Programmable DMA Controller (8257) -  Click Here