Hi Ben, AFAIK NuttX doesn't have support to Serial SRAM yet.
At least I never see a driver to it. Normally people use real SDRAM chips controlled by FMSC (in the case of STM32). It should be a nice addition if you create a driver for Serial SRAM. BR, Alan On 1/8/20, disruptivesolution...@gmail.com <disruptivesolution...@gmail.com> wrote: > I just got a 23LC1024 (128kb SDRAM 1MBit) and want to "attach" this as > external RAM. To scale up the free mem. > > I am looking at examples like stm32_extmem.c and qspi.. which one is best > to > use? And do I have to "make" a driver for it? And bind it to SPI? Or are my > thoughts wrong? > > Thanks again... > >