• SoCs

    Espressif offers integrated, reliable and energy-efficient wireless SoCs

    32-bit MCU Wi-Fi Bluetooth/Bluetooth LE AI Functions

ESP32-S Series
ESP32-S3 Series
ESP32-S2 Series
ESP32-C3 Series
ESP32 Series
ESP8266 Series

ESP32-S Series

ESP32-S3 Series

32-bit MCU & 2.4 GHz Wi-Fi & Bluetooth 5 (LE)

  • Xtensa® 32-bit LX7 dual-core processor that operates at up to 240 MHz
  • 512 KB of SRAM and 384 KB of ROM on the chip, and SPI, Dual SPI, Quad SPI, Octal SPI, QPI, and OPI interfaces that allow connection to flash and external RAM
  • Additional support for vector instructions in the MCU, which provides acceleration for neural network computing and signal processing workloads
  • Peripherals include 44 programmable GPIOs, SPI, I2S, I2C, PWM, RMT, ADC, DAC and UART, SD/MMC host and TWAITM
  • Reliable security features ensured by RSA-based secure boot, AES-XTS-based flash encryption, the innovative digital signature and the HMAC peripheral, “World Controller”
SoC Variants Core Dimensions (mm) Pins RAM (KB) Flash (MB) PSRAM (MB) Module Development Board Footprint
ESP32-S3
ESP32-S3
ESP32-S3FN8
ESP32-S3R2
ESP32-S3R8
ESP32-S3R8V
Dual Core QFN 7x7 56 384 KB ROM, 512 KB SRAM, 16 KB RTC SRAM
N/A 8 N/A N/A N/A N/A#N/A#2#8#8 ESP32-S3-WROOM-1
ESP32-S3-DevKitC-1
Binary Data ESP32-S2&S3.dxf

ESP32-S2 Series

32-bit MCU & 2.4 GHz Wi-Fi

  • 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 Variants Core Dimensions (mm) Pins RAM (KB) Flash (MB) PSRAM (MB) Module Development Board Footprint
ESP32-S2
ESP32-S2
ESP32-S2R2
Single Core QFN 7x7 56 128 KB ROM, 320 KB SRAM, 16 KB RTC SRAM
2 4 N/A#2 ESP32-S2-WROOM
ESP32-S2-WROOM-I
ESP32-S2-WROVER
ESP32-S2-WROVER-I
ESP32-S2-Saola-1
ESP32-S2-Kaluga-1
Binary Data ESP32-S2&S3.dxf
ESP32-S2F
ESP32-S2FH2
ESP32-S2FH4
ESP32-S2FN4R2
Single Core QFN 7x7 56 128 KB ROM, 320 KB SRAM, 16 KB RTC SRAM
2 4 4 N/A#N/A#2 ESP32-S2-MINI-1
ESP32-S2-MINI-1U
ESP32-S2-DevKitM-1
ESP32-S2-DevKitM-1U
Binary Data ESP32-S2&S3.dxf

ESP32-C3 Series

32-bit RISC-V MCU & 2.4 GHz Wi-Fi & Bluetooth 5 (LE)

  • 32-bit RISC-V single-core processor with a four-stage pipeline that operates at up to 160 MHz
  • State-of-the-art power and RF performance
  • 400 KB of SRAM and 384 KB of ROM on the chip, and SPI, Dual SPI, Quad SPI, and QPI interfaces that allow connection to flash
  • Reliable security features ensured by RSA-3072-based secure boot, AES-128-XTS-based flash encryption, the innovative digital signature and the HMAC peripheral, hardware acceleration support for cryptographic algorithms
  • Rich set of peripheral interfaces and GPIOs, ideal for various scenarios and complex applications
SoC Variants Core Dimensions (mm) Pins RAM (KB) Flash (MB) PSRAM (MB) Module Development Board Footprint
ESP32-C3
ESP32-C3
ESP32-C3FN4
ESP32-C3FH4
Single Core QFN 5x5 32 400 KB RAM, 384 KB ROM, 8 KB RTC SRAM
N/A 4 4 N/A ESP32-C3-WROOM-02
ESP32-C3-MINI-1
ESP32-C3-DevKitC-02
ESP32-C3-DevKitM-1
Binary Data ESP32-C3.dxf

ESP32 Series

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

  • 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, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C
SoC Variants Core Dimensions (mm) Pins RAM (KB) Flash (MB) PSRAM (MB) Module Development Board Footprint
ESP32-D0WD-V3
N/A Dual Core QFN 5x5 48 520 KB SRAM
448 KB ROM
16 KB RTC SRAM
N/A N/A ESP32-WROOM-32E
ESP32-WROOM-32UE
ESP32-WROVER-E
ESP32-WROVER-IE
ESP32-DevKitC
ESP32-LyraT
ESP32-LyraT-Mini
ESP32-LyraTD-MSC
ESP32-LyraTD-SYNA
ESP32-Vaquita-DSPG
ESP32-Korvo
ESP32-Ethernet-Kit
N/A
ESP32-D0WD
N/A Dual core QFN 5x5 48 520 KB SRAM
448 KB ROM
16 KB RTC SRAM
N/A N/A ESP32-WROOM-32D
ESP32-WROOM-32U
ESP32-WROOM-32SE
ESP32-WROVER-B
ESP32-WROVER-IB
ESP32-DevKitC
ESP32-LyraT
ESP32-LyraT-Mini
ESP32-LyraTD-MSC
ESP32-LyraTD-DSPG
ESP32-LyraTD-SYNA
ESP32-Korvo
ESP-WROVER-KIT
N/A
ESP32-D0WDQ6-V3
N/A Dual Core QFN 6x6 48 520 KB SRAM
448 KB ROM
16 KB RTC SRAM
N/A N/A N/A
N/A
N/A
ESP32-D0WDQ6
N/A Dual core QFN 6x6 48 520 KB SRAM
448 KB ROM
16 KB RTC SRAM
N/A N/A ESP32-WROOM-32
ESP32-WROVER
ESP32-WROVER-I
ESP32-DevKitC
N/A
ESP32-U4WDH
N/A Single Core QFN 5x5 48 520 KB SRAM
448 KB ROM
16 KB RTC SRAM
4 N/A ESP32-MINI-1
ESP32-DevKitM-1
N/A
ESP32-S0WD
N/A Single core QFN 5x5 48 520 KB SRAM
448 KB ROM
16 KB RTC SRAM
N/A N/A ESP32-SOLO-1
ESP32-DevKitC
N/A
ESP32-PICO-V3
N/A Dual core LGA 7x7 48 448 KB ROM
520 KB SRAM
16 KB RTC SRAM
4 N/A ESP32-PICO-V3-ZERO
ESP32-PICO-V3-ZERO-DevKit
N/A
ESP32-PICO-V3-02
N/A Dual Core LGA 7x7 48 448 KB ROM
520 KB SRAM
16 KB RTC SRAM
8 2 ESP32-PICO-MINI-02
ESP32-PICO-DevKitM-2
N/A
ESP32-PICO-D4
N/A Dual Core LGA 7x7 48 448 KB ROM
520 KB SRAM
16 KB RTC SRAM
4 N/A N/A
ESP32-PICO-KIT
N/A

ESP8266 Series

32-bit MCU & 2.4 GHz Wi-Fi

  • 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 Variants Core Dimensions (mm) Pins RAM (KB) Flash (MB) PSRAM (MB) Module Development Board Footprint
ESP8266EX
N/A Single core QFN 5x5 32 160 KB RAM
N/A N/A ESP-WROOM-02D
ESP-WROOM-02U
ESP-WROOM-02
ESP-WROOM-S2
ESP8266-DevKitC
ESP-Launcher
N/A
ESP8285
N/A Single core QFN 5x5 32 160 KB RAM
1,2 N/A N/A
N/A
N/A