The MikroE CAN SPI 3.3V Click Board™ is known to be the best accessory board designed to add CAN (Controller Area Network) connectivity to the microcontroller with the SPI interface. The 3.3V version is exclusively designed for serial communication on 3.3V microcontrollers. The communication board features a high-speed SN65HVD230 CAN transceiver that serves as the interface between a CAN protocol controller and the physical bus. It provides a CAN serial communication physical layer in accordance with the ISO 11898 standard. CAN SPI Click Board™.