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…

DMA CONTROLLER 8257 SUBMITTED BY :KOPAL AGRWAL It is a device to transfer the data directly between IO device and memory without through the CPU. So it performs a high-speed…

ECE252 Microprocessors Spring 2011 Lecture 03: 68000 Instruction Set Jie Hu http://web.njit.edu/~jhu/ece252/102 ECE252 L03-68000 ISA.1 Jie Hu, ECE/NJIT, Spring 2011 Review…

What is a computer? A computer is a physical device that takes data as input, transforms these data by executing a stored program, and outputs information to a number of…

1. CSC 222: Computer Organization& Assembly Language4 – Register & MemoryInstructor: Ms. Nausheen Majeed 2. Outline The Components of Microcomputer System…

1. DMA Controller 8257By :Daniel Ilunga1 2. DMA Controller 8257The Intel 8257 is a 4-channel Direct Memory Access (DMA) controller. It isspecifically designed to simplify…

Slide 1Asanovic/Devadas Spring 2002 6.823 Microprocessor Evolution: 4004 to Pentium Pro Krste Asanovic Laboratory for Computer Science Massachusetts Institute of Technology…

Slide 1Chapter 12, William Stallings Computer Organization and Architecture 7 th Edition CPU Structure and Function Slide 2 CPU Function CPU must: –Fetch instructions –Interpret/decode…

Slide 1§4.4 Input and Output Devices Douglas Wilhelm Harder, M.Math. LEL Department of Electrical and Computer Engineering University of Waterloo Waterloo, Ontario, Canada…

The M68000 Educational Computer Board A look at Motorola's $495, 68000-based single-board computer by Robert W. Floyd BYTE magazine, October 1983 If you're interested…