Overview
The ESP8266EX, produced by Espressif Systems, is a highly integrated Wi-Fi System-on-Chip (SoC) designed to meet the demands of efficient power usage, compact design, and reliable performance in the Internet of Things (IoT) industry. This SoC integrates a Tensilica L106 32-bit RISC processor, achieving extra-low power consumption and a maximum clock speed of 160 MHz. It can operate as a standalone application or as a slave to a host microcontroller, and it includes complete and self-contained Wi-Fi networking capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Espressif Systems |
| Type | 32-bit microcontroller |
| CPU | Tensilica Diamond Standard 106Micro (L106) @ 80 MHz (default) or 160 MHz |
| Memory | 32 KiB instruction, 80 KiB user data SRAM and ROM |
| GPIO Pins | 17 GPIO pins |
| Operating Voltage | 3.0~3.6V |
| Operating Current | Average value: 80mA |
| Operating Temperature Range | -40°C ~ 125°C |
| Wi-Fi Protocols | 802.11 b/g/n |
| Frequency Range | 2.4G-2.5G (2400M-2483.5M) |
| Transmission Power | +20 dBm (802.11 b), +17 dBm (802.11 g), +14 dBm (802.11 n) |
| Peripheral Interfaces | UART/SDIO/SPI/I2C/I2S/IR Remote Control |
Key Features
- Low Power Consumption: The ESP8266EX features a power-saving architecture with active, sleep, and deep sleep modes, making it suitable for battery-powered designs.
- Highly Integrated SoC: Includes antenna switches, RF balun, power amplifier, low noise receive amplifier, filters, and power management modules, minimizing the need for external components.
- Wi-Fi Capabilities: Supports 802.11 b/g/n protocols with STBC, 1x1 MIMO, and 2x1 MIMO, and features A-MPDU & A-MSDU aggregation.
- Real-Time Operating System (RTOS): Allows 80% of the processing power to be available for user application programming and development.
- Multiple Interfaces: Includes UART, SDIO, SPI, I2C, I2S, IR Remote Control, and PWM interfaces, providing versatility in application design.
- GPIO Flexibility: 17 GPIO pins that can be assigned to various functions by programming the appropriate registers.
Applications
- Internet of Things (IoT): Ideal for IoT applications due to its low power consumption and compact design.
- Mobile Devices and Wearable Electronics: Engineered for use in mobile devices and wearable electronics, enhancing their connectivity and functionality.
- Industrial Environments: Capable of functioning consistently in industrial environments due to its wide operating temperature range and robust design.
- Home Automation and Smart Devices: Suitable for home automation projects and smart devices requiring Wi-Fi connectivity and low power consumption.
Q & A
- What is the maximum clock speed of the ESP8266EX?
The maximum clock speed of the ESP8266EX is 160 MHz.
- What are the power-saving modes of the ESP8266EX?
The ESP8266EX features active, sleep, and deep sleep modes to achieve low power consumption.
- What Wi-Fi protocols does the ESP8266EX support?
The ESP8266EX supports 802.11 b/g/n protocols.
- How many GPIO pins does the ESP8266EX have?
The ESP8266EX has 17 GPIO pins.
- What is the operating voltage range of the ESP8266EX?
The operating voltage range of the ESP8266EX is 3.0~3.6V.
- What are the primary applications of the ESP8266EX?
The ESP8266EX is primarily used in IoT, mobile devices, wearable electronics, and industrial environments.
- Does the ESP8266EX support I2C and I2S interfaces?
Yes, the ESP8266EX supports I2C and I2S interfaces.
- What is the transmission power of the ESP8266EX in 802.11 b mode?
The transmission power of the ESP8266EX in 802.11 b mode is +20 dBm.
- Can the ESP8266EX be used as a standalone application or as a slave to a host MCU?
Yes, the ESP8266EX can operate as a standalone application or as a slave to a host MCU.
- What is the operating temperature range of the ESP8266EX?
The operating temperature range of the ESP8266EX is -40°C ~ 125°C.
