Announcing ESP32-C6: a Wi-Fi 6 + Bluetooth 5 (LE) SoC
ESP32-C6 is Espressif's first low-power and cost-effecitve Wi-Fi 6 + Bluetooth (LE) SoC
Nov. 05, 2021
The twin wi-fi module families ESP8266 and ESP32 from Espressif burst onto the scene and immediately became the budget-friendly microcontroller option for projects of all types. We have seen the line expand recently with the ESP-C3 and ESP32-S3 with oodles of IO and fresh new CPU peripherals. Now we have a first peek at the ESP32-C6, a brand new RISC-V based design with the hottest Wi-Fi standard on the block – Wi-Fi 6.
Designed for devices that require wireless connectivity with integrated security, the ESP32-C6 is built around a single 32-bit core based on the free and open-source RISC-V instruction set architecture (ISA) and running at up to 160 MHz. Alongside that is 400 kB of static RAM (SRAM), 348 kB flash ROM, support for external flash, and 22 programmable general-purpose input/output (GPIO) pins supporting ADC, SPI, UART, I2C, I2S, RMT, TWAI and PWM.
Wireless connectivity, meanwhile, includes Espressif’s first 802.11ax Wi-Fi 6 block, a major upgrade over the Wi-Fi 4 connectivity of the earlier ESP32-C3, which the company says it has tweaked for Internet of Things (IoT) applications. The chip supports 20 MHz bandwidth in 802.11ax or 20/40 MHz in efficiency and power consumption over Wi-Fi 6 equivalents.
Additional tweaks made to the Wi-Fi connectivity on the part include support for Orthogonal Frequency Division Multiple Access (OFDMA) for both uplink and downlink connections, Multi-User Multiple Input Multiple Output (MU-MIMO) for downlinks, and Target Wake Time – allowing 802.11ax-capable Wi-Fi access points to bring the device out of an ultra-low power deep sleep mode.
The new part also includes Bluetooth 5 Low Energy (BLE) connectivity and a security block which includes hardware acceleration for SHA and AES plus a hardware random-number generator, HMAC and digital signature system, RSA-3072 secure boot, and support for encrypting flash content through WTS-AES-128.
Espressif has not yet published documentation nor pricing for the part, but we advise interested parties to contact our specialist for more information. You can also find more about our Wi-Fi modules offer here.
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