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ESP32­WROOM­32E QSPI max flash speed

Posted: Tue Feb 01, 2022 9:42 pm
by grumpyEngineer12
Sorry for the dumb question, but I can't find this information anywhere.

What is the maximum supported speed for the QSPI flash memory inside the ESP32­WROOM­32E?

I'm trying to (and successfully) running at 80Mhz,

Just want to make sure that this is not a fluke.

Thanks!

Re: ESP32­WROOM­32E QSPI max flash speed

Posted: Wed Feb 02, 2022 2:47 am
by ESP_Sprite
The -Wroom modules do not have PSRAM; I imagine you may mean the ESP32-Wrover-E? If so, those modules are OK to run the PSRAM at 80MHz. (From what I recall, the PSRAM chips themselves max out at 133MHz or something, but the ESP32 does not go that high.)

Re: ESP32­WROOM­32E QSPI max flash speed

Posted: Wed Feb 02, 2022 3:23 am
by grumpyEngineer12
Sorry, I mean the internal QSPI memory (4MB,8MB,16MB) not PSRAM.

Thanks.

Re: ESP32­WROOM­32E QSPI max flash speed

Posted: Wed Feb 02, 2022 11:44 am
by ESP_Sprite
The flash is similar: in those modules, it should be able to run at 80MHz.