Questions tagged [psram]

I use FSMC in STM32F407 to access external SRAM IS62WV51216. I read RM0090 and AN2784, gives me two fomula tSU and tV mean here is the SRAM reading timing graph here is write timing graph 1.why WE have two falling edges on the left 2.what dose…

I am troubleshooting my firmware (brand new but nearing dev completion) memory management: it runs on a custom PCB with a WROVER module. I want to take advantage of the extra PSRAM/SPIRAM so that the PSRAM is used automatically by the libs. But I…

I have an ESP32 microcontroller with 64Mb PSRAM onboard. How can i move into PSRAM a multidimensional array I have on my code , too big to fit into the ESP32 RAM?

The goal is to allocate an array of classes purely in External Ram of the ESP32. They say that the compiler will allocate big chuncks of space automatically in external ram, but this is not the case. My heap goes lower with this snippet, but the ext…