ESP32-S3 GPIO37
GPIO37 / SPIDQS / FSPIQ / SUBSPIQ
Use with care
- Fine for many uses, but check the warnings below first.
What GPIO37 can do
- Digital input/output
- PWM output (LEDC)
- SPI (via GPIO matrix)
Warnings for GPIO37
OSPI PSRAM
On modules with Octal SPI PSRAM (ESP32-S3R8 / R16V based, e.g. N8R8/N16R8 variants), IO35, IO36 and IO37 are connected to the PSRAM and are not available for other uses. Free on quad-PSRAM and no-PSRAM variants.
Open the interactive ESP32-S3 pinout →All ESP32-S3 pins
GPIO0 · GPIO1 · GPIO2 · GPIO3 · GPIO4 · GPIO5 · GPIO6 · GPIO7 · GPIO8 · GPIO9 · GPIO10 · GPIO11 · GPIO12 · GPIO13 · GPIO14 · GPIO15 · GPIO16 · GPIO17 · GPIO18 · GPIO19 · GPIO20 · GPIO21 · GPIO35 · GPIO36 · GPIO37 · GPIO38 · GPIO39 · GPIO40 · GPIO41 · GPIO42 · GPIO43 · GPIO44 · GPIO45 · GPIO46 · GPIO47 · GPIO48
ESP32 Pinout Studio - free interactive pinout reference. Pin data generated from Espressif's official KiCad libraries. esp32pin.com