• SoCs

    Espressif offers integrated, reliable and energy-efficient wireless SoCs.

ESP32-S Series SoCs
ESP-32 Series SoCs
ESP-8266 Series SoCs

ESP32-S2 SoC

32-bit MCU & 2.4 GHz Wi-Fi

Common Specifications

  • High-performance 240 MHz single-core CPU
  • Ultra-low-power performance: fine-grained clock gating, dynamic voltage and frequency scaling
  • Security features: eFuse、flash encryption, secure boot, signature verification, integrated AES, SHA and RSA algorithms
  • Peripherals include 43 GPIOs, 1 full-speed USB OTG interface, SPI, I2S, UART, I2C, LED PWM, LCD interface,camera interface, ADC, DAC, touch sensor, temperature sensor
  • Availability of common cloud connectivity agents and common product features shortens the time to market
SoC Core Package (mm) Pins RAM (kB) Flash (MB) Module Development Board
ESP32-S2
Single Core QFN 7x7 56 128 KB ROM
320 KB SRAM
16 KB SRAM in RTC
SPI/QSPI/OSPI supports multiple flash/SRAM chips
N/A ESP32-S2-WROVER
ESP32-S2-WROOM
N/A

ESP-32 Series SoCs

32-bit MCU & 2.4 GHz Wi-Fi & BT/Bluetooth LE

Common Specifications

  • Two or one CPU core(s) with adjustable clock frequency, ranging from 80 MHz to 240 MHz
  • +19.5 dBm output power ensures a good physical range
  • Classic Bluetooth for legacy connections, also supporting L2CAP, SDP, GAP, SMP, AVDTP, AVCTP, A2DP (SNK) and AVRCP (CT)
  • Support for Bluetooth Low Energy (Bluetooth LE) profiles including L2CAP, GAP, GATT, SMP, and GATT-based profiles like BluFi, SPP-like, etc
  • Bluetooth Low Energy (Bluetooth LE) connects to smart phones, broadcasting low-energy beacons for easy detection
  • Sleep current is less than 5 μA, making it suitable for battery-powered and wearable-electronics applications
  • Peripherals include capacitive touch sensors, Hall sensor, low-noise sense amplifiers, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C
SoC Core Package (mm) Pins RAM (kB) Flash (MB) Module Development Board
ESP32-D0WD
Dual core QFN 5x5 48 520-kB SRAM
448-kB ROM
16-kB SRAM in RTC
N/A ESP32-WROOM-32D
ESP32-WROOM-32U
ESP32-WROVER-B
ESP32-WROVER-IB
ESP32-DevKitC
ESP-WROVER-KIT
ESP32-D0WDQ6
Dual core QFN 6x6 48 520-kB SRAM
448-kB ROM
16-kB SRAM in RTC
N/A ESP32-WROOM-32
ESP32-WROVER
ESP32-WROVER-I
ESP32-DevKitC
ESP-WROVER-KIT
ESP32-LyraT
ESP32-LyraTD-MSC
ESP32-D2WD
Dual core QFN 5x5 48 520-kB SRAM
448-kB ROM
16-kB SRAM in RTC
2 N/A
N/A
ESP32-S0WD
Single core QFN 5x5 48 520-kB SRAM
448-kB ROM
16-kB SRAM in RTC
N/A ESP32-SOLO-1
ESP32-DevKitC

ESP-8266 Series SoCs

32-bit MCU & 2.4 GHz Wi-Fi

Common Specifications

  • High-performance 160 MHz single-core CPU
  • +19.5 dBm output power ensures a good physical range
  • Sleep current is less than 20 μA, making it suitable for battery-powered and wearable-electronics applications
  • Peripherals include UART, GPIO, I2C, I2S, SDIO, PWM, ADC and SPI
SoC Core Package (mm) Pins RAM (kB) Flash (MB) Module Development Board
ESP8266EX
Single core QFN 5x5 32 160-kB RAM
N/A ESP-WROOM-02
ESP-WROOM-02D
ESP-WROOM-02U
ESP-WROOM-S2
ESP8266-DevKitC
ESP-Launcher
ESP8285
Single core QFN 5x5 32 160-kB RAM
1/2 N/A
N/A