'Data bus buffer' presentation slideshows

E3165 DIGITAL ELECTRONIC SYSTEM

476 views • 33 slides

DMA CONTROLLER 8257

DMA CONTROLLER 8257. Features: It is a 4-channel DMA. So 4 I/O devices can be interfaced to DMA It is designed by Intel Each channel have 16-bit address and 14 bit counter It provides chip priority resolver that resolves priority of channels in fixed or rotating mode.

1.07k views • 27 slides

PROGRAMMABLE PERIPHERAL INTERFACE -8255

PROGRAMMABLE PERIPHERAL INTERFACE -8255. Features: It is a programmable device. It has 24 I/O programmable pins like PA,PB,PC (3-8 pins). T T L compatible. Improved dc driving capability. Pin Diagram. Function of pins:.

221 views • 21 slides

PROGRAMMABLE PERIPHERAL INTERFACE -8255

PROGRAMMABLE PERIPHERAL INTERFACE -8255. Features: It is a programmable device. It has 24 I/O programmable pins like PA,PB,PC (3-8 pins). T T L compatible. Improved dc driving capability. Pin Diagram. Function of pins:.

557 views • 19 slides