Hi, I'm designing a board with the ESP32-D0WD or ESP32-D0WDQ6 (I dont mind) and a 16MB (128Mb) Flash, but first of all I want to do some tests on my ESP-WROM-32 module. I need in my PCB both SD card (working with SD function, I mean, 4Bit Mode) and Flash (working with QIO mode), and I prefer to keep...

Hi sorenhl, sorry for asking but I have some problems to implement your solution, I burned the efuses to 18,19,23,21,5 for VSPI (4 for SPIHD is not for HSPI?) and now I can flash in DIO mode (I flashed the hello world example), but in QIO I get an error message after flashing: rst:0x3 (SW_RESET),boo...