Espressif
ESP32-S3
Official DocumentationSpecifications
CPU Xtensa dual-core 32-bit LX7 microprocessor, up to 240 MHz
Flash External SPI Flash, 4/8/16 MB
ROM 384 KB
SRAM 512 KB
RTC SRAM 16 KB
PSRAM Optional 2/8 MB (Octal/SPI PSRAM)
WiFi 802.11b/g/n, 2.4 GHz, 40 MHz bandwidth support
Bluetooth Bluetooth LE 5.0
GPIO 45 programmable GPIOs
ADC 12-bit SAR ADC (2 ADCs, up to 20 channels)
USB USB OTG (Full-speed)
Peripherals SPI, I2S, I2C, PWM, RMT, UART, SD/MMC, TWAI(CAN), Capacitive Touch Sensor (14 pins), ULP Coprocessor
AI Acceleration Vector instructions support for neural network computing and signal processing
Crystal 40 MHz
Operating Voltage 3.0 ~ 3.6 V
Operating Temperature -40 ~ 65 °C (standard) / -40 ~ 85 °C (high-temp variant)
Antenna On-board PCB antenna / External antenna connector