Espressif Systems Wi-Fi ESP32-S2 chip

The ESP32-S2 series of chips is a highly integrated, low-power Wi-Fi system-on-chip (SoC) designed for various applications such as the Internet of Things (IoT), mobile devices, wearable electronic devices, and smart homes. It has industry Leading low power performance and RF performance. The chip includes a fully functional Wi-Fi subsystem that complies with the IEEE 802.11b/g/n protocol. The Wi-Fi subsystem integrates Wi-Fi MAC, Wi-Fi RF and baseband, antenna switch, RF Balun, power amplifier, low noise amplifier, etc., providing a complete Wi-Fi solution. The ESP32-S2 series chips are equipped with Xtensa® 32-bit LX7 single-core processor with an operating frequency of up to 240 MHz. The chip supports secondary development without using other microcontrollers or processors. This series of chips has 320 KB SRAM, 128 KB ROM, and can be connected to external flash and off-chip RAM through the SPI/QSPI/OSPI interface. The ESP32-S2 series chips support a variety of low-power working states. The ULP low-power coprocessor can run in an ultra-low power state and can meet the power consumption requirements of various application scenarios. The chip's unique features such as fine clock gating, dynamic voltage clock frequency adjustment, and adjustable RF power amplifier output power can achieve the best balance between communication distance, data rate, and power consumption. The ESP32-S2 series chips provide a wealth of peripheral interfaces, including SPI, I2S, UART, I2C, LED PWM, LCD interface, Camera interface, ADC, DAC, touch sensor, temperature sensor and up to 43 GPIO. In addition, this series of chips also includes a full-speed USB On-The-Go (OTG) interface that supports USB communication. The ESP32-S2 series chips have a variety of unique hardware security mechanisms. The hardware cryptographic accelerator supports AES, SHA and RSA algorithms. RNG, HMAC and Digital Signature modules provide more security features. Other security features include flash encryption and secure boot signature verification. The complete security mechanism enables the chip to meet strict security requirements.

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Espressif Systems is a global fabless semiconductor company founded in 2008. It has offices in China, the Czech Republic, India, Singapore and Brazil, and its teams come from about 30 countries and regions. Espressif has been deeply involved in the R&D and design of software and hardware products in the AIoT field for many years, focusing on the development of wireless communication SoCs with high integration, low power consumption, excellent performance, security and stability, and high costs performance. It has now released ESP8266, ESP32, ESP32-S, and ESP32 -C and ESP32-H series chips, modules and development boards have become ideal choices for IoT applications. Espressif is committed to providing safe, stable, and energy-saving AIoT solutions, while insisting on open sources technology to help developers use Espressif's solutions to develop smart products and create a smart world where everything is connected. Espressif Systems provides secure and diverse AIoT solutions to hundreds of millions of users around the world. Based on advanced semiconductor technology, low-power computing, wireless communication technology, and Mesh networking technologies, the company has developed chips and modules that are well-designed, have excellent performance, are more intelligent, and are widely used.

Product Introduction&Application Fields

product details

Product features

Single core CPU clock frequency up to 240 MHz

Supports multiple low-power operating states: fine clock gating, dynamic voltage clock frequency adjustment

Security mechanism: eFuse storage, secure boot, Flash encryption, digital signature, supports AES, SHA and RSA algorithms

Peripherals include 43 GPIO ports, 1 full-speed USB OTG interface, SPI, I2S, UART, I2C, LED PWM, LCD interface, Camera interface, ADC, DAC, touch sensor

It can be connected to a variety of network cloud platforms and has common product features, greatly shortening product construction and launch time.

Application areas

Universal low-power IoT sensor hub

Universal low-power IoT data logger

Camera video streaming

OTT TV box/Set-top box equipment

USB device

Speech Recognition

Image Identification

Mesh network

home automation

smart building

automated industry

Smart agriculture

Audio equipment

Health/Medical/Nursing Care

Wi-Fi toys

wearable electronics

Retail & Catering

touch sensitive interaction

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