ESP32-S31: 320MHz 2C RV32IMAFCP+CLIC, 512KB SRAM, GbE, 802.11ax, 61 GPIO

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Summary

Espressif Systems (688018.SH) proudly announces the upcoming release of ESP32-S31, a high-performance dual-core Wi-Fi 6 + Bluetooth 5.4 + IEEE 802.15.4 + Ethernet System-on-Chip (SoC). Building on Espressif's proven track record, this versatile SoC addresses the growing demand for advanced IoT applications including consumer and industrial appliances, smart speakers, voice-controlled devices, and automation systems requiring comprehensive wireless connectivity, edge AI capabilities, rich HMI, and robust security features. ESP32-S31 delivers comprehensive wireless connectivity by combining Wi-Fi 6 (802.11ax) in 2.4 GHz band, Bluetooth 5.4 with both Bluetooth LE (Low Energy) and Classic (BR/EDR) support, plus an IEEE 802.15.4 radio enabling Thread and Zigbee protocols for diverse IoT applications. ESP32-S31 will provide a seamless support for Matter protocol over Wi-Fi as well as Thread radio. Wi-Fi 6 brings enhanced transmission efficiency and reduced power consumption for battery-powered devices. Bluetooth 5.4 adds LE Audio for high-quality wireless audio streaming, direction finding for precise location services, and Bluetooth Mesh 1.1 for scalable device communications, while Classic (BR/EDR) ensures compatibility with legacy audio devices and low-latency, high-throughput applications. Also, the integrated 1000 Mbps Ethernet MAC, provides high-bandwidth wired connectivity for IoT applications. ESP32-S31 includes a powerful dual-core, 32-bit RISC-V microcontroller running at 320MHz with MMU support, 60 GPIO pins, providing exceptional processing performance and design flexibility. One core features a wide 128-bit data path with SIMD instructions, enabling fast parallel processing. The SoC offers ample memory resources including 512 KB SRAM and support for high-speed 250 MHz 8-bit DDR PSRAM with concurrent flash and PSRAM access. Multiple dedicated SPI interfaces (up to Octal SPI) allow for flexible external memory expansion, and together with the wide SIMD data pat...

First seen: 2026-04-03 09:10

Last seen: 2026-04-03 18:15