Recently I purchased a Class 10 SD Card from a major retailer. I was very excited – now I have a fast card for testing. Here’s my new baby: Note the 10 in the part-circle indicating the speed. For those…
STM32F2xx SDIO SD Card Interface
The STM32F2xx has a great SD Card interface. It’s a true 4-bit parallel interface, and in general it works pretty well. I have come across a few, fairly minor but still significant, considerations when using the interface that I thought…