Espressif Systems ESP32-S3

ESP32-S3 is a dual-core XTensa LX7 MCU, capable of running at 240 MHz. Apart from its 512 KB of internal SRAM, it also comes with integrated 2.4 GHz, 802.11 b/g/n Wi-Fi and Bluetooth 5 (LE) connectivity that provides long-range support. It has 45 programmable GPIOs and supports a rich set of peripherals. ESP32-S3 supports larger, high-speed octal SPI flash, and PSRAM with configurable data and instruction cache.

Key features

• 2.4 GHz Wi-Fi and Bluetooth 5 (LE)
• Powerful AI acceleration
• Reliable security features
• Rich set of IO peripherals

Additional features

CPU and memory

• Xtensa^_® dual-core 32-bit LX7 microprocessor, up to 240 MHz
• 128-bit data bus and SIMD commands
• 384 KB ROM
• 512 KB SRAM
• 16 KB SRAM in RTC
   

Interfaces

• 45 programmable GPIOs, 14 touch sensing IOs, SPI, UART, I2C, I2S, LED PWM, TWAI, LCD, Full-speed USB OTG, temperature sensor
   

Wi-Fi

• IEEE 802.11 b/g/n-compliant
• Supports 20 MHz, 40 MHz bandwidth in 2.4 GHz band
• 1T1R mode with data rate up to 150 Mbps
   

Bluetooth

• Bluetooth LE: Bluetooth 5, Bluetooth mesh
• 2 Mbps PHY
• Long-range mode
• Advertising extensions
   

Security

• RSA-3072-based secure boot
• AES-128-XTS-based flash encryption
• Digital signature peripheral and the HMAC peripheral
• “World Controller” peripheral that provides two fully-isolated execution environments

Applications

• Smart home Light control Smart button Smart plug
• Industrial automation, robot, Mesh network, HMI
• Internet music players, Live streaming, radio players
• Touch sensing, Waterproof design, Distance sensing
• USB devices Speech recognition Image recognition