ESP32-S3
High-Performance MCU with AI Acceleration and Advanced Connectivity
Product Overview
The ESP32-S3 is a highly integrated, low-power, 2.4 GHz Wi-Fi and Bluetooth 5 (LE) system-on-chip (SoC) solution that integrates advanced AI acceleration capabilities. It features a dual-core Xtensa LX7 CPU, vector instructions for AI acceleration, and a rich set of peripherals.
Dual-Core Xtensa LX7 up to 240 MHz
Wi-Fi 4 + Bluetooth 5 (LE)
AI Acceleration with Vector Instructions
Up to 8.5 MB PSRAM + 384 KB ROM
Technical Specifications
Comprehensive technical details and performance characteristics
Processing & Memory
| CPU | Dual-core Xtensa LX7, up to 240 MHz |
| SRAM | 512 KB internal SRAM |
| ROM | 384 KB ROM |
| Flash | Up to 1 GB external flash |
| PSRAM | Up to 8.5 MB external PSRAM |
| AI Acceleration | Vector instructions for neural network computing |
Connectivity
| Wi-Fi | 802.11 b/g/n (Wi-Fi 4), up to 150 Mbps |
| Bluetooth | Bluetooth 5.0 LE, mesh networking |
| Range | 100+ meters (line of sight) |
| Antenna | PCB antenna, external antenna connector |
| Security | WPA3, WPA2/WPA2-Enterprise |
Peripherals & Interfaces
| GPIO | 45 programmable GPIOs |
| ADC | 2 × 12-bit SAR ADCs, up to 20 channels |
| DAC | 2 × 8-bit DACs |
| Touch Sensor | 14 touch sensing IOs |
| SPI | 4 × SPI |
| I2C | 2 × I2C |
| UART | 3 × UART |
| USB | USB OTG full-speed |
| Camera | DVP 8/16-bit camera interface |
| LCD | LCD interface (8-bit ~16-bit parallel RGB, I8080/M68) |
Power & Operating Conditions
| Operating Voltage | 3.0V ~ 3.6V |
| Active Power | ~180 mA (Wi-Fi), ~130 mA (BLE) |
| Deep Sleep | 7 μA (ULP co-processor on) |
| Operating Temperature | -40°C ~ +85°C |
| Package | QFN56 (7×7 mm) |
Key Features & Capabilities
What makes ESP32-S3 ideal for advanced IoT applications
AI Acceleration
Vector instructions for accelerating neural network computing and signal processing applications, enabling on-device AI inference with improved performance.
Rich Connectivity
Complete connectivity solution with Wi-Fi 4 and Bluetooth 5 LE, supporting mesh networking and various IoT protocols for versatile applications.
Advanced Security
Comprehensive security features including secure boot, flash encryption, digital signature, and hardware random number generator for robust protection.
Target Applications
Perfect for applications requiring high performance and AI capabilities
Smart Voice Assistants
AI-powered voice recognition and natural language processing for smart speakers and voice-controlled devices.
Computer Vision
Image recognition, object detection, and facial recognition applications with camera interface support.
Human-Machine Interface
Advanced touch interfaces, gesture recognition, and interactive displays with LCD controller support.
IoT Gateway Devices
High-performance edge computing for industrial IoT gateways and smart home hubs with multiple protocol support.
Development Resources
Everything you need to get started with ESP32-S3 development
ESP-IDF Framework
Official development framework with comprehensive APIs, libraries, and tools for ESP32-S3 development.
Access FrameworkDevelopment Boards
ESP32-S3-DevKitC and ESP32-S3-DevKitM development boards for prototyping and evaluation.
View DevKitsTechnical Documentation
Complete datasheets, application notes, and reference designs for ESP32-S3 implementation.
Download DocsOrdering Information
Available variants and modules for your specific requirements
| Part Number | Flash | PSRAM | Package | Temperature Range | Status |
|---|---|---|---|---|---|
| ESP32-S3 | - | - | QFN56 | -40°C ~ +85°C | In Stock |
| ESP32-S3-WROOM-1 | 4MB/8MB/16MB | - | Module | -40°C ~ +85°C | In Stock |
| ESP32-S3-WROOM-2 | 16MB/32MB | 8MB | Module | -40°C ~ +85°C | In Stock |
| ESP32-S3-MINI-1 | 8MB | - | Compact Module | -40°C ~ +85°C | In Stock |
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