Boot without flash
Posted: Thu Apr 21, 2022 3:18 pmDoes anyone know if it is possible to boot ESP8266 without any SPI flash for example, boot from UART and feed program directly into RAM and execute from there.
ESP8266 Community Forum
Open Community Forum for ESP8266, Come share Arduino and IoT (Internet of Things)
https://www.esp8266.com/
Boot without flash
Page 1 of 1
Posted: Thu Apr 21, 2022 3:18 pmRe: Boot without flash
Posted: Fri Apr 22, 2022 4:01 amAs far as I know there are only 2 boot modes: from flash or from SD card, although I've never never seen anyone venture the latter option (it might not be even possible at all).
Re: Boot without flash
Posted: Fri Apr 22, 2022 4:19 amIt's not "from SD card", but as an SD card - the chip can behave like SDIO slave device...
Re: Boot without flash
Posted: Fri Apr 22, 2022 6:18 amPablo2048 wrote:It's not "from SD card", but as an SD card - the chip can behave like SDIO slave device...
Ah, learnt something new today.
Thanks Pablo.
