QUADSPI and performance pII

After reviewing my settings, I did see a major flaw. I used a prescaler of 1. One might think that it means the clock frequency is divided by 1, ie. the clock frequency to the external flash is the same as the one set by the main frequency in the MCU. But this is not Läs mer…

QUADSPI and performance

To store all that graphics used in the games, I added an external flash memory, MX25L512 which has 64 Mb and a QUADSPI interface. I knew that an external flash would be slower to read from than using the internal flash but I was not sure how much slower it would be. I did a Läs mer…