CPU and On-Chip Memory
• ESP32-S3 series of SoCs embedded, Xtensa dual-core 32bit LX7 microprocessor, up to 240MHz
• 384KB ROM
• 512KB SRAM
• 16KB SRAM in RTC
• Up to 8MB PSRAM
Wi-Fi
• 802.11 b/g/n
• Bit rate: 802.11n up to 150Mbps
• A-MPDU and A-MSDU aggregation
• 0.4µs guard interval support
• Center frequency range of operating channel: 2412 ~ 2484MHz
Bluetooth
• Bluetooth LE: Bluetooth 5, Bluetooth mesh
• Speed: 125Kbps, 500Kbps, 1Mbps, 2Mbps
• Advertising extensions
• Multiple advertisement sets
• Channel selection algorithm #2
• Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna
Peripherals
• GPIO, SPI, LCD interface, Camera interface, UART, I2C, I2S, remote control, pulse counter, LED PWM, USB 1.1 OTG, USB Serial/JTAG controller, MCPWM, SDIO host, GDMA, TWAI controller (compatible with ISO 11898-1), ADC, touch sensor, temperature sensor, timers and watchdogs
Integrated Components on Module
• 40MHz crystal oscillator
• 4MB Quad SPI flash
Antenna Options
• External antenna via a connector (ESP32-S3-WROOM-1U)
Operating Conditions
• Operating voltage/Power supply: 3.0 ~ 3.6V
• Operating ambient temperature: –40 ~ 85°C
