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  • ESP32-C6

    A low-power and cost-effective 2.4 GHz Wi-Fi 6 + Bluetooth 5 (LE) + Thread/Zigbee SoC, with a 32-bit RISC-V core, for securely connected devices.

ESP32-C6 is Espressif’s first Wi-Fi 6 SoC integrating 2.4 GHz Wi-Fi 6, Bluetooth 5 (LE) and the 802.15.4 protocol. ESP32-C6 achieves an industry-leading RF performance, with reliable security features and multiple memory resources for IoT products. It consists of a high-performance (HP) 32-bit RISC-V processor, which can be clocked up to 160 MHz, and a low-power (LP) 32-bit RISC-V processor, which can be clocked up to 20 MHz. It has a 320KB ROM, a 512KB SRAM, and works with external flash. It comes with 30 (QFN40) or 22 (QFN32) programmable GPIOs, with support for SPI, UART, I2C, I2S, RMT, TWAI, PWM, SDIO, Motor Control PWM. It also packs a 12-bit ADC and a temperature sensor.

Features

Wi-Fi 6 Support

ESP32-C6 has integrated 2.4 GHz Wi-Fi 6 (802.11ax) radio, and also supports the 802.11b/g/n standard for backward compatibility. ESP32-C6 supports the OFDMA mechanism for both uplink and downlink communications, while also supporting MU-MIMO for downlink traffic. Both of these techniques allow working with high efficiency and low latency, even in congested wireless environments. Additionally, the Target Wake Time (TWT) feature of the 802.11ax standard enables ESP32-C6 customers to build battery-operated connected devices that can last for years, while staying connected throughout.

Enhanced Connectivity

ESP32-C6 combines 2.4 GHz Wi-Fi (802.11 b/g/n/ax), Bluetooth 5 (LE), and IEEE 802.15.4 radio connectivity, which is vital for making the Thread and Zigbee protocols available in a variety of cases of application development. ESP32-C6 supports a 20 MHz bandwidth for the 802.11ax mode and a 20/40 MHz bandwidth for the 802.11b/g/n mode. It brings in Wi-Fi 6 features, such as transmission efficiency and low power consumption, which provide concrete benefits for IoT devices. Additionally, Bluetooth 5 (LE) supports long-range operation through advertising extensions and coded PHY. It also supports 2 Mbps of high throughput PHY.

Enabling Matter

ESP32-C6’s support for IEEE 802.15.4 and Wi-Fi radios, along with Bluetooth 5 (LE) connectivity, enable customers to build Matter-compliant Wi-Fi end-point devices and Thread end-point devices, thus achieving interoperability in smart-home devices from multiple brands. ESP32-C6 combined with another Espressif SoC can be used to develop various other Matter-ecosystem solutions, such as Matter Gateways, Thread Border Routers or Zigbee Matter Bridges.

Security

ESP32-C6 comes with RSA-3072-based secure boot, AES-128/256-XTS-based flash encryption, digital signature and an HMAC peripheral for identity protection, as well as cryptographic accelerators for improved performance. The Trusted Execution Environment (TEE) enables privilege separation when accessing different chip features and, therefore, provides a secure software separation. These features ensure the desired level of security for devices built with ESP32-C6.

Software Availability

ESP32-C6 is supported through Espressif’s open-source ESP-IDF, so that our customers can benefit from their familiarity with our field-proven platform that already powers millions of connected devices. For customers who would like to use ESP32-C6 as a communications co-processor with an external host, ESP-Hosted and ESP-AT firmware can also be available. ESP32-C6 will also be supported through ESP RainMaker®, a complete system for building AIoT products.