ATSAMV70Q20B-CB developed by Microchip Technology is a member of microcontrollers. It is a central processing unit composed of one or a few large-scale integrated circuits. These circuits perform the functions of a control unit and an arithmetic logic unit. It can complete operations such as fetching instructions, executing instructions, and exchanging information with external memory and logic components. It is the operation control part of the microcomputer. It can form a microcomputer with memory and peripheral circuit chips.