This is the documentation for the latest (main) development branch of Zephyr. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

CONFIG_ESP_SPIRAM

Support for external, SPI-connected RAM

Type: bool

Help

This enables support for an external SPI RAM chip, connected in
parallel with the main SPI flash chip.

Direct dependencies

SOC_ESP32 && <choice: SoC/CPU/Configuration Selection>

(Includes any dependencies from ifs and menus.)

Defaults

No defaults. Implicitly defaults to n.

Kconfig definition

At soc/xtensa/esp32/Kconfig.soc:35

Included via Kconfig:8Kconfig.zephyr:38soc/Kconfig:9

Menu path: (Top) → SoC/CPU/Configuration Selection → ESP32

config ESP_SPIRAM
    bool "Support for external, SPI-connected RAM"
    depends on SOC_ESP32 && <choice>
    help
      This enables support for an external SPI RAM chip, connected in
      parallel with the main SPI flash chip.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)