The AT32F413KCU7-4 is a microcontroller unit (MCU) developed by ARTERY and manufactured in a Quad Flat No-lead (QFN) package that is RoHS compliant. It is based on the 32-bit AVR ARM Cortex-M4 processor core with 256KB Embedded Flash and a 64KB SRAM. It offers a range of features such as on-board I/O peripherals such as 10-bit ADC, 12-bit DAC, LCD controller, and serial interfaces. It also includes a DMA controller, a 2-channel DMA controller, and a wide range of integrated analog and digital peripherals. It offers a comprehensive set of features that makes it suitable for a wide range of applications such as energy metering, automotive, and factory automation.