I believe PSRAM is directly accessible by CPU (there is even cache for PSRAM). Or am I missing something?
Lerc was referring to driving multiple PSRAM chips from a single Pico with PIO/DMA. The CPU will only work with a single PSRAM chip.
alt Hacker News
Lerc was referring to driving multiple PSRAM chips from a single Pico with PIO/DMA. The CPU will only work with a single PSRAM chip.