The code that actually drives the LEDs all happens on an STM32F4 with the help of DMA and FSMC, or the Flexible Static Memory Controller found on the chip. This peripheral takes care of the ...

Apple on Wednesday revealed its first custom-designed modem chip that will help connect iPhones to wireless data networks, a move that will make the company less reliant on chips from Qualcomm that ...

The only thing missing is the code. However, there are plenty of examples on the web you can look at, including a Microchip webinar. DMA is a powerful technique, although it can be tricky to debug.