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  "path": "/2026/03/24/esp32-s31-dual-core-risc-v-mcu-offers-gigabit-ethernet-wifi-bluetooth-and-802-15-4-connectivity/",
  "publishedAt": "2026-03-24T14:29:52.000Z",
  "site": "https://www.cnx-software.com",
  "tags": [
    "Espressif",
    "Hardware",
    "802.15.4",
    "ble",
    "bluetooth",
    "esp32",
    "espressif",
    "matter",
    "mcu",
    "soc",
    "thread",
    "wifi",
    "zigbee",
    "Upcoming ESP32-S31 dual-core RISC-V MCU offers Gigabit Ethernet, WiFi, Bluetooth, and 802.15.4 connectivity",
    "CNX Software - Embedded Systems News"
  ],
  "textContent": "It looks like Espressif Systems has a new powerful wireless microcontroller in the works, with the ESP32-S31 sharing some features of the ESP32-P4 and ESP32-S3 microcontrollers. The ESP32-S31 is a dual-core RISC-V MCU with one high-performance core with FPU and SIMD instructions, and one low-power RISC-V core, featuring 62 GPIOs, a Gigabit Ethernet MAC, WiFi, Bluetooth, and 802.15.4 (Thread/Zigbee/Matter) wireless connectivity, and more. ESP32-S31 preliminary specifications: MCU subsystem RISC-V HP (High-performance) RV32IMAFCP CPU with FPU, SIMD, etc. RISC-V LP (Low-power) MCU core Memory & Storage I/F 512 KB SRAM 32 KB RTC SRAM Support for external octal PSRAM and flash up to 64MB GPU – 2D Pixel Processing Accelerator (PPA) VPU – (M)JPEG codec support Peripherals Display I/F – Parallel LCD interface Camera I/F – MIPI-CSI with integrated ISP and parallel camera interface Audio – 2x I2S Networking Gigabit Ethernet 2.4 GHz WiFi 802.11 b/g/n Bluetooth 802.15.4 for Zigbee, Thread, [...]\n\nThe post Upcoming ESP32-S31 dual-core RISC-V MCU offers Gigabit Ethernet, WiFi, Bluetooth, and 802.15.4 connectivity appeared first on CNX Software - Embedded Systems News.",
  "title": "Upcoming ESP32-S31 dual-core RISC-V MCU offers Gigabit Ethernet, WiFi, Bluetooth, and 802.15.4 connectivity"
}