The blueMacaw is an MCU designed with the TSMC 22nm for low-power IoT applications, providing a complete software suite ensures high productivity. Its set of peripherals (SPI, I2C, I2S, ADC, SDIO) offers compatibility with state-of-the-art sensors. The power management unit includes the most efficient methods, such as transparent clock gating and memory retention mode. Its fully integrated power supply, oscillators, and BLE antenna reduce product packaging.