ESP32-S3 GPIO16
GPIO16 / U0CTS / ADC2_CH5 / XTAL_32K_N
Safe to use
- No boot, flash or radio conflicts known for this pin.
What GPIO16 can do
- Digital input/output
- ADC2 analog input (unusable while Wi-Fi is active)
- PWM output (LEDC)
- UART (via GPIO matrix)
- RTC GPIO (usable in deep sleep, wake source)
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