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 ...
Embedded

Accelerating peripheral monitoring in wearables with DMA

Power Consumption Using DMA can yield opportunities to minimize power consumption if it allows the processor to sleep during DMA transfers. Parallel Operation Depending on the architectural details of ...
EDN

Cache vs. DMA: trade offs for programmers

Now that there are embedded media processors available that can handle both MCU and DSP tasks, C programmers who are very familiar with the MCU model of application development are transitioning into ...
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 ...
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 ...
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 ...
Design-Reuse

AXI4 Multi-Channel DMA Controller (Configurable, typically up to 1024 DMA Channels)

The Digital Blocks DB-DMAC-MC-AMBA SystemVerilog RTL IP Core is a Scatter-Gather (SG) Direct Memory Access (DMA) Controller with Master AXI4 Interconn ...