SemiconductorsThe QN9021DY is a RF System on a Chip (SoC) Ultra Low Power Bluetooth Low Energy (BLE) System-on-Chip (SoC) manufactured by NXP Semiconductors. The QN9021DY SoC features an integrated 32-bit ARM Cortex-M0 microcontroller, Low Energy Bluetooth connectivity, an on-chip encryption engine, and an RTC. It is programmable to be an integrated BLE Peripheral, BLE Central, or HCI. The QN9021DY SoC is designed for low transmission power consumption and long battery life applications, such as smart home devices, healthcare and fitness products, security systems, automotive applications, IoT solution, and more. It provides multiple flexible IO options, supporting high speed SPI to low speed UART, PWM, and I2C, making it extremely versatile. The robust, integrated software and hardware design of the QN9021DY SoC makes it ideal for easy developments and rapid time-to-market.