Home > News & Updates > Electronics News Updates > ESPRESSIF ANNOUNCES THE 
RELEASE OF ESP32-S2 SECURE WI-FI MCU

ESPRESSIF ANNOUNCES THE 
RELEASE OF ESP32-S2 SECURE WI-FI MCU

Summary of ESPRESSIF ANNOUNCES THE 
RELEASE OF ESP32-S2 SECURE WI-FI MCU


The ESP32-S2 is a low-power, 2.4 GHz Wi-Fi SoC by Espressif featuring an Xtensa® single-core 32-bit LX7 processor clocked at 240 MHz. It offers 43 GPIOs, advanced security, and power management, making it ideal for smart home and wearable IoT devices. By utilizing the ESP-IDF framework, it balances performance and cost without needing external MCUs.

Parts used in the ESP32-S2:

  • Xtensa single-core 32-bit LX7 microcontroller
  • Ultra-low-power co-processor
  • 320 kB SRAM
  • 128 kB ROM
  • 16 KB RTC memory
  • External SPIRAM support (128 MB total)
  • Up to 1 GB of external flash support
  • Separate instruction and data cache
  • Wi-Fi 802.11 b/g/n transceiver
  • TLS 1.0, 1.1, and 1.2 support

Espressif announces the release of the ESP32-S2 Secure Wi-Fi MCU, which is a highly integrated, low-power, 2.4 GHz Wi-Fi Microcontroller SoC supporting Wi-Fi HT40 and 43 GPIOs. Based on Xtensa® single-core 32-bit LX7 processor, ESP32-S2 can be clocked at up to 240 MHz.

ESP32-S2 is a highly integrated, low-power, 2.4 GHz Wi-Fi Microcontroller SoC supporting Wi-Fi HT40 and 43 GPIOs. Based on Xtensa® single-core 32-bit LX7 processor, it can be clocked at up to 240 MHz.

With state-of-the-art power management and RF performance, IO capabilities and security features, ESP32-S2 is an ideal choice for a wide variety of IoT or connectivity-based applications, including smart home and wearables. With an integrated 240 MHz Xtensa® core, ESP32-S2 is sufficient for building the most demanding connected devices without requiring external MCUs.

By leveraging Espressif’s mature and production-ready software development framework (ESP-IDF), ESP32-S2 achieves a balance of performance and cost, thus bringing faster and more secure IoT connectivity solutions to the market.

Features

CPU And Memory

  • Xtensa® single-core 32-bit LX7 microcontroller
  • 7-stage pipeline
  • Clock frequency of up to 240 MHz
  • Ultra-low-power co-processor
  • 320 kB SRAM, 128 kB ROM, 16 KB RTC memory
  • External SPIRAM (128 MB total) support
  • Up to 1 GB of external flash support
  • Separate instruction and data cache

Connectivity

  • Wi-Fi 802.11 b/g/n
  • 1×1 transmit and receive
  • HT40 support with data rate up to 150 Mbps
  • Support for TCP/IP networking, ESP-MESH networking, TLS 1.0, 1.1 and 1.2 and other networking protocols over Wi-Fi
  • Support Time-of-Flight (TOF) measurements with normal Wi-Fi packets

Read more: ESPRESSIF ANNOUNCES THE RELEASE OF ESP32-S2 SECURE WI-FI MCU

Quick Solutions to Questions related to ESP32-S2:

  • What is the maximum clock frequency of the ESP32-S2?
    The ESP32-S2 can be clocked at up to 240 MHz.
  • How many GPIOs does the ESP32-S2 support?
    The chip supports 43 GPIOs.
  • Does the ESP32-S2 require an external MCU?
    No, it is sufficient for building connected devices without requiring external MCUs.
  • What type of processor does the ESP32-S2 use?
    It uses an Xtensa single-core 32-bit LX7 microcontroller with a 7-stage pipeline.
  • Can the ESP32-S2 support external flash memory?
    Yes, it supports up to 1 GB of external flash.
  • What software development framework does the ESP32-S2 leverage?
    It leverages Espressif's mature and production-ready software development framework known as ESP-IDF.
  • Does the ESP32-S2 support Time-of-Flight measurements?
    Yes, it supports Time-of-Flight measurements with normal Wi-Fi packets.
  • What is the maximum data rate supported by the Wi-Fi HT40 feature?
    The Wi-Fi HT40 support allows for data rates up to 150 Mbps.

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

Follow Us:
LinkedinTwitter
Scroll to Top