At the core of DMA is the DMA controller: its sole function is to set up data transfers between I/O devices and memory. In essence it functions like the memcpy function we all know and love from C.

The European Union is intensifying its enforcement of the Digital Markets Act (DMA), with Alphabets Google and Elon Musks X ...

using the DMA and PIO subsystems to output a new sample every single clock cycle. The result is a cheap function generator you can build with a Pi Pico and a handful of resistors, which will ...