EDN

Direct Memory Access Control

This application note presents the Direct Memory Access (DMA) control, its basic set-up and operations. The document includes the usage examples of the DMA controller and the DMA Trigger Factor ...
Embedded

Using Direct Memory Access effectively in media-based embedded applications: Part 2

Last time, in Part 1, we introduced somebasics behind Direct Memory Access (DMA) -why it's needed, and how it's structured and controlled. This time,we'll focus on the classifications of DMA transfers ...
Hackaday

PIC32 DMA Is A Weird Machine

Direct memory access (DMA) systems in computers are more powerful than you might think, and [Bruce Land] and [Joseph Primmer] have done some clever hacking to take full advantage of this on the PIC32 ...
EDN

Implementing DMA on ARM SMP Systems

This Application Note explores the implications associated with performing Direct Memory Access (DMA) operations on an ARM multi-core system such as the ARM11 MPCore and Cortex-A9 MPCore. The target ...
Semiconductor Engineering

PIO on Current HW Outperforms DMA Over a Range of Payload Sizes In A Number of Different Applications (ETH Zurich)

A new technical paper titled “Rethinking Programmed I/O for Fast Devices, Cheap Cores, and Coherent Interconnects” was published by researchers at ETH Zurich. “Conventional wisdom holds that an ...
Electronic Design

DMA Engines Bring Multicast To PCI Express Systems

Multicast, a technique commonly used in networking systems, allows a given processing unit to send a single data stream to multiple destinations at the same time efficiently. Typically, the switch ...
PC Magazine

direct memory access

Transferring large blocks of data within memory as well as to and from peripherals. Direct memory access (DMA) avoids loading the CPU's register with small amounts of data from memory and storing them ...