Espressif Systems has introduced two new members of its ESP32 wireless SoC family: the ESP32-E22, the company’s first Wi-Fi 6E connectivity chip, and the ESP32-H21, an ultra-low-power Bluetooth LE microcontroller aimed at coin-cell and battery-powered devices.
The ESP32-E22 is a dual-core RISC-V SoC clocked up to 500 MHz with 1 MB of on-chip memory, built around tri-band 2,4/5/6 GHz Wi-Fi 6E with 160 MHz channel bandwidth and 2x2 MIMO. The chip is positioned as a connectivity co-processor rather than a stand-alone application MCU, offering PCIe, USB and SDIO host interfaces plus 41 GPIO so it can sit alongside a separate host processor in higher-end designs.
The ESP32-H21 targets the opposite end of the power budget: an ultra-low-power Bluetooth LE SoC intended for wearables, sensors, beacons and other battery-powered or energy-harvesting products.
Typical applications span smart home and smart building, security and AIoT cameras, industrial IoT gateways, wearables and robotics.
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