The ESP32-S3 is a powerful microcontroller featuring a dual-core Xtensa LX7 processor clocked at up to 240 MHz, delivering exceptional processing speed for complex applications. With integrated Wi-Fi 802.11 b/g/n and Bluetooth 5.0 LE, it enables ideal connectivity for IoT devices. It boasts 512 KB of SRAM and 8 MB of PSRAM, providing robust memory for resource-intensive tasks. Its extensive GPIO pin set supports ADC, DAC, SPI, I2C, UART, and PWM, ensuring versatile interfacing capabilities for a wide range of projects.
Unmatched Functional Highlights and its Novelty:
- Power Efficiency: Operates efficiently on a 3.3V supply, with ultra-low power consumption ideal for battery-powered systems.
- Temperature Tolerance: Designed to withstand a wide operating temperature range, making it suitable for industrial and outdoor environments.
- Memory and Storage: High RAM and external flash support enable multitasking and data-heavy applications.
- Robust Architecture: Advanced Von Neumann architecture ensures optimized performance and scalability for embedded solutions.
The ESP32-S3 significantly improves upon its predecessors with enhanced performance, advanced features, and superior efficiency. Powered by a dual-core Xtensa LX7 processor running at 240 MHz, it delivers higher processing power also maintaining low energy consumption, making it ideal for battery-operated devices.
With expanded memory capacity, including up to 512 KB SRAM and external PSRAM support, it is well-suited for demanding applications like machine learning and image processing.
The inclusion of USB OTG, up to 45 GPIOs, and vector extensions for AI workloads enhances its versatility for modern IoT solutions.
Furthermore, the ESP32-S3 offers robust security with features like secure boot and flash encryption, ensuring reliable protection against cyber threats. By combining these advancements, the ESP32-S3 positions itself as a cutting-edge solution for developers aiming to create innovative and efficient tech products.
The ESP32-S3 is a highly integrated microcontroller designed for IoT applications. Here is a summary of its technical datasheet details:
1. Processing Unit
Core: Dual-core Xtensa LX7 processor
Clock Speed: Up to 240 MHz
Floating-Point Unit: Single and double precision
AI Acceleration: Vector extensions for AI inference workloads
Performance: 240 DMIPS, 600 CoreMark
2. Memory
ROM: 384 KB
SRAM: 512 KB
PSRAM Support: Up to 16 MB external PSRAM
Flash: Up to 16 MB external flash
3. Wireless Connectivity
Wi-Fi: IEEE 802.11 b/g/n (2.4 GHz)
Bluetooth: Bluetooth 5.0 (LE) with long-range support
Max Throughput: 150 Mbps for Wi-Fi
4. Peripheral Interfaces
GPIOs: 45 programmable pins
ADC: 14 channels, 12-bit resolution
DAC: 2 channels, 8-bit resolution
SPI: Up to 4 SPI interfaces
I2C: 2 I2C interfaces
UART: 3 UART interfaces
PWM: Up to 16 channels
USB: Native USB OTG (On-The-Go) support
SDIO: 1 interface for SD cards
CAN Bus: 1 interface
5. Power Specifications
Operating Voltage: 3.0V to 3.6V
Power Modes: Active, light sleep, deep sleep, hibernation
Power Consumption: Ultra-low power in sleep modes (as low as 5 µA)
6. Pin Layout:
7. Security Features
Secure Boot: Enabled
Flash Encryption: AES-256
Cryptographic Hardware Acceleration:
- RSA
- SHA-2
- AES
8. Environmental Specifications
Operating Temperature: -40°C to 125°C
Storage Temperature: -40°C to 150°C
9. Physical Characteristics
Package: QFN 6×6 mm or WLCSP
Pin Count: 48 pins
PCB Design: Supports 2-layer and 4-layer PCB designs
10. Software and SDK
Development Environment: ESP-IDF (Espressif IoT Development Framework)
Programming Languages: C, C++, MicroPython
Supported Tools: Arduino IDE, PlatformIO, Eclipse
AI Frameworks: TensorFlow Lite for Microcontrollers
11. Certifications
Wi-Fi Alliance: Certified
Bluetooth SIG: Qualified
FCC/CE/IC Certification: Available
Table 1: ESP32-S3-MINI-1 vs. ESP32-S3-MINI-1U
| Feature | ESP32-S3-MINI-1 | ESP32-S3-MINI-1U |
|---|---|---|
| Antenna Type | Integrated PCB antenna | External IPEX antenna connector |
| Wireless Connectivity | Wi-Fi 4 (802.11 b/g/n) + Bluetooth 5 (LE) | Wi-Fi 4 (802.11 b/g/n) + Bluetooth 5 (LE) |
| Processor | Dual-core Xtensa LX7, up to 240 MHz | Dual-core Xtensa LX7, up to 240 MHz |
| RAM | 512 KB SRAM | 512 KB SRAM |
| Flash Memory | 4 MB (default); configurable up to 16 MB | 4 MB (default); configurable up to 16 MB |
| GPIO Pins | Up to 43 programmable GPIOs | Up to 43 programmable GPIOs |
| Power Consumption | Ultra-low power in sleep modes (5 µA deep sleep) | Ultra-low power in sleep modes (5 µA deep sleep) |
| Operating Voltage | 3.0V to 3.6V | 3.0V to 3.6V |
| Size | Compact with integrated antenna (21 mm × 19 mm) | Compact for external antenna (21 mm × 19 mm) |
| Antenna Performance | Pre-tuned for optimal RF performance | Adjustable RF performance based on external antenna |
| Applications | Standalone IoT devices | IoT devices requiring extended range |
Key Applications of ESP32-S3-MINI-1 and ESP32-S3-MINI-1U
- Smart Home Devices
- Home automation systems, smart plugs, and thermostats.
- Industrial IoT (IIoT)
- Industrial sensors, actuators, and monitoring equipment.
- Wearables
- Fitness trackers, smart watches, and health monitoring devices.
- Smart Agriculture
- Soil monitoring, weather stations, and irrigation controllers.
- Medical Devices
- Portable health monitors, patient tracking, and diagnostics tools.
- Edge AI Applications
- Devices leveraging onboard AI features like image recognition and voice commands.
- Extended Wireless Communication (ESP32-S3-MINI-1U)
- Long-range IoT deployments using external antennas.
- Multimedia Devices
- Audio streaming, low-power cameras, and AR/VR controllers.
